{"id":192,"date":"2024-08-04T23:16:46","date_gmt":"2024-08-04T15:16:46","guid":{"rendered":"https:\/\/www.chenqiang1986.cn\/?p=192"},"modified":"2024-08-06T21:06:36","modified_gmt":"2024-08-06T13:06:36","slug":"wireshark-%e6%8a%93%e5%8c%85%e8%bf%87%e6%bb%a4%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.cqchen86.cn\/index.php\/2024\/08\/04\/wireshark-%e6%8a%93%e5%8c%85%e8%bf%87%e6%bb%a4%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8\/","title":{"rendered":"Wireshark \u6293\u5305\u8fc7\u6ee4\u547d\u4ee4\u5927\u5168"},"content":{"rendered":"\n<p>&nbsp;<\/p>\n\n\n\n<p>Wireshark \u662f\u4e00\u6b3e\u5f00\u6e90\u8f6f\u4ef6\uff0c\u6700\u65e9\u7531 Gerald Combs \u5728 1998 \u5e74\u521b\u5efa\uff0c\u539f\u540d Ethereal\u30022006 \u5e74\uff0c\u7531\u4e8e\u5546\u6807\u95ee\u9898\uff0cEthereal \u66f4\u540d\u4e3a Wireshark\u3002\u4f5c\u4e3a\u4e00\u4e2a\u7f51\u7edc\u534f\u8bae\u5206\u6790\u5668\uff0cWireshark \u80fd\u591f\u6355\u83b7\u7f51\u7edc\u63a5\u53e3\u4e0a\u7684\u6570\u636e\u5305\uff0c\u5e76\u63d0\u4f9b\u8be6\u7ec6\u7684\u89e3\u7801\u548c\u5206\u6790\u529f\u80fd\u3002Wireshark \u652f\u6301\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5305\u62ec Windows\u3001macOS \u548c Linux\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"383\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/1.jpg\" alt=\"\" class=\"wp-image-193\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/1.jpg 900w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/1-300x128.jpg 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/1-768x327.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li>\u6293\u5305\u8fc7\u6ee4\u57fa\u7840<\/li>\n\n\n\n<li>\u663e\u793a\u8fc7\u6ee4\u5668\n<ul class=\"wp-block-list\">\n<li>\u5e38\u7528\u7684\u663e\u793a\u8fc7\u6ee4\u5668<\/li>\n\n\n\n<li>\u8fc7\u6ee4 HTTP \u6d41\u91cf<\/li>\n\n\n\n<li>\u8fc7\u6ee4 DNS \u6d41\u91cf<\/li>\n\n\n\n<li>\u8fc7\u6ee4 TCP \u6d41\u91cf<\/li>\n\n\n\n<li>\u8fc7\u6ee4 UDP \u6d41\u91cf<\/li>\n\n\n\n<li>\u8fc7\u6ee4\u00a0<span class=\"wx_search_keyword_wrap\">ICMP<i class=\"wx_search_keyword\"><\/i><\/span>\u00a0\u6d41\u91cf<\/li>\n\n\n\n<li>\u663e\u793a\u8fc7\u6ee4\u5668\u7684\u9ad8\u7ea7\u7528\u6cd5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6355\u83b7\u8fc7\u6ee4\u5668\n<ul class=\"wp-block-list\">\n<li>\u5e38\u7528\u7684\u6355\u83b7\u8fc7\u6ee4\u5668<\/li>\n\n\n\n<li>\u6355\u83b7 HTTP \u6d41\u91cf<\/li>\n\n\n\n<li>\u6355\u83b7 DNS \u6d41\u91cf<\/li>\n\n\n\n<li>\u6355\u83b7 TCP \u6d41\u91cf<\/li>\n\n\n\n<li>\u6355\u83b7 UDP \u6d41\u91cf<\/li>\n\n\n\n<li>\u6355\u83b7 ICMP \u6d41\u91cf<\/li>\n\n\n\n<li>\u6355\u83b7\u8fc7\u6ee4\u5668\u7684\u9ad8\u7ea7\u7528\u6cd5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9ad8\u7ea7\u8fc7\u6ee4\u6280\u5de7\n<ul class=\"wp-block-list\">\n<li>\u7ec4\u5408\u8fc7\u6ee4\u6761\u4ef6<\/li>\n\n\n\n<li>\u4f7f\u7528<span class=\"wx_search_keyword_wrap\">\u6b63\u5219\u8868\u8fbe\u5f0f<i class=\"wx_search_keyword\"><\/i><\/span><\/li>\n\n\n\n<li>\u5b57\u6bb5\u5b58\u5728\u68c0\u67e5<\/li>\n\n\n\n<li>\u4f7f\u7528\u504f\u79fb\u91cf\u548c\u63a9\u7801<strong>Wireshark \u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/strong><ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><br><li><section><strong>\u5b9e\u65f6\u6570\u636e\u6355\u83b7<\/strong>\uff1a\u80fd\u591f\u6355\u83b7\u5b9e\u65f6\u6d41\u91cf\u5e76\u5bf9\u5176\u8fdb\u884c\u5206\u6790\u3002<\/section><br><\/li><br><li><section><strong>\u6570\u636e\u5305\u89e3\u7801<\/strong>\uff1a\u652f\u6301\u6570\u767e\u79cd\u7f51\u7edc\u534f\u8bae\uff0c\u80fd\u591f\u89e3\u7801\u5e76\u663e\u793a\u5404\u79cd\u534f\u8bae\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/section><br><\/li><br><li><section><strong>\u8fc7\u6ee4\u529f\u80fd<\/strong>\uff1a\u63d0\u4f9b\u5f3a\u5927\u7684\u8fc7\u6ee4\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u7b5b\u9009\u6570\u636e\u5305\u3002<\/section><br><\/li><br><li><section><strong>\u6570\u636e\u5305\u91cd\u7ec4<\/strong>\uff1a\u80fd\u591f\u91cd\u7ec4\u548c\u5206\u6790\u5206\u7247\u7684\u6570\u636e\u5305\uff0c\u4ee5\u67e5\u770b\u5b8c\u6574\u7684\u901a\u4fe1\u5185\u5bb9\u3002<\/section><br><\/li><br><li><section><strong>\u7edf\u8ba1\u548c\u56fe\u8868<\/strong>\uff1a\u63d0\u4f9b\u591a\u79cd\u7edf\u8ba1\u548c\u56fe\u8868\u529f\u80fd\uff0c\u5e2e\u52a9\u7528\u6237\u8fdb\u884c\u6d41\u91cf\u5206\u6790\u548c\u8d8b\u52bf\u9884\u6d4b\u3002<\/section><br><\/li><br>Wireshark \u7684\u754c\u9762\u8bbe\u8ba1\u7b80\u6d01\u660e\u4e86\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a<\/ul><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"514\" class=\"wp-image-194\" style=\"width: 1000px;\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/2.png\" alt=\"\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/2.png 1080w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/2-300x154.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/2-1024x526.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/2-768x395.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><p data-tool=\"mdnice\u7f16\u8f91\u5668\"><\/p>\n<ol class=\"wp-block-list\">\n<li><section><strong>\u83dc\u5355\u680f\u548c\u5de5\u5177\u680f<\/strong>\uff1a<\/section>\n<ul class=\"wp-block-list\">\n<li><section><strong>\u83dc\u5355\u680f<\/strong>\uff1a\u63d0\u4f9b\u6587\u4ef6\u64cd\u4f5c\u3001\u7f16\u8f91\u3001\u67e5\u770b\u3001\u6355\u83b7\u3001\u5206\u6790\u7b49\u9009\u9879\uff0c\u53ef\u4ee5\u901a\u8fc7\u83dc\u5355\u8bbf\u95ee\u5404\u79cd\u529f\u80fd\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u5de5\u5177\u680f<\/strong>\uff1a\u5e38\u7528\u529f\u80fd\u7684\u5feb\u6377\u6309\u94ae\uff0c\u5305\u62ec\u5f00\u59cb\u548c\u505c\u6b62\u6355\u83b7\u3001\u6253\u5f00\u548c\u4fdd\u5b58\u6355\u83b7\u6587\u4ef6\u3001\u663e\u793a\u8fc7\u6ee4\u5668\u7b49\u3002<\/section><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><section><strong>\u6355\u83b7\u9009\u9879\u548c\u542f\u52a8\u6309\u94ae<\/strong>\uff1a<\/section>\n<ul class=\"wp-block-list\">\n<li><section><strong>\u6355\u83b7\u63a5\u53e3\u9009\u62e9<\/strong>\uff1a\u9009\u62e9\u8981\u6355\u83b7\u6570\u636e\u5305\u7684\u7f51\u7edc\u63a5\u53e3\uff0c\u53ef\u4ee5\u662f\u4ee5\u592a\u7f51\u3001Wi-Fi\u7b49\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u6355\u83b7\u9009\u9879<\/strong>\uff1a\u914d\u7f6e\u6355\u83b7\u53c2\u6570\uff0c\u5982\u6570\u636e\u5305\u957f\u5ea6\u3001\u6355\u83b7\u8fc7\u6ee4\u5668\u3001\u73af\u5f62\u7f13\u51b2\u533a\u7b49\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u542f\u52a8\u6309\u94ae<\/strong>\uff1a\u5f00\u59cb\u548c\u505c\u6b62\u6570\u636e\u5305\u6355\u83b7\u3002<\/section><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><section><strong>\u6570\u636e\u5305\u5217\u8868\u7a97\u53e3<\/strong>\uff1a<\/section>\n<ul class=\"wp-block-list\">\n<li><section><strong>\u6570\u636e\u5305\u5217\u8868<\/strong>\uff1a\u663e\u793a\u6355\u83b7\u7684\u6570\u636e\u5305\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u4e00\u884c\uff0c\u5305\u542b\u65f6\u95f4\u6233\u3001\u6e90\u5730\u5740\u3001\u76ee\u7684\u5730\u5740\u3001\u534f\u8bae\u3001\u957f\u5ea6\u7b49\u57fa\u672c\u4fe1\u606f\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u5217\u6392\u5e8f\u548c\u8fc7\u6ee4<\/strong>\uff1a\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u5217\u8fdb\u884c\u6392\u5e8f\u548c\u8fc7\u6ee4\uff0c\u65b9\u4fbf\u67e5\u627e\u7279\u5b9a\u6570\u636e\u5305\u3002<\/section><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><section><strong>\u6570\u636e\u5305\u8be6\u60c5\u7a97\u53e3<\/strong>\uff1a<\/section>\n<ul class=\"wp-block-list\">\n<li><section><strong>\u6570\u636e\u5305\u89e3\u7801\u8be6\u60c5<\/strong>\uff1a\u9009\u4e2d\u4e00\u4e2a\u6570\u636e\u5305\u540e\uff0c\u5728\u8be6\u60c5\u7a97\u53e3\u4e2d\u663e\u793a\u5176\u89e3\u7801\u4fe1\u606f\uff0c\u6309\u7167\u534f\u8bae\u5c42\u6b21\u7ed3\u6784\u663e\u793a\uff0c\u5305\u62ec\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u4f20\u8f93\u5c42\u548c\u5e94\u7528\u5c42\u7684\u8be6\u7ec6\u5b57\u6bb5\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u5c55\u5f00\u548c\u6298\u53e0<\/strong>\uff1a\u53ef\u4ee5\u5c55\u5f00\u548c\u6298\u53e0\u5404\u534f\u8bae\u5c42\u6b21\uff0c\u67e5\u770b\u5177\u4f53\u5b57\u6bb5\u7684\u503c\u548c\u542b\u4e49\u3002<\/section><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><section><strong>\u6570\u636e\u5305\u5b57\u8282\u7a97\u53e3<\/strong>\uff1a<\/section>\n<ul class=\"wp-block-list\">\n<li><section><strong>\u5b57\u8282\u89c6\u56fe<\/strong>\uff1a\u4ee5\u5341\u516d\u8fdb\u5236\u548cASCII\u683c\u5f0f\u663e\u793a\u9009\u4e2d\u6570\u636e\u5305\u7684\u539f\u59cb\u5b57\u8282\u6570\u636e\uff0c\u5e2e\u52a9\u7528\u6237\u67e5\u770b\u6570\u636e\u5305\u7684\u5b9e\u9645\u5185\u5bb9\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u5b57\u8282\u9ad8\u4eae<\/strong>\uff1a\u4e0e\u6570\u636e\u5305\u8be6\u60c5\u7a97\u53e3\u8054\u52a8\uff0c\u9ad8\u4eae\u663e\u793a\u5bf9\u5e94\u5b57\u6bb5\u7684\u5b57\u8282\u6570\u636e\u3002<\/section><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><section><strong>\u663e\u793a\u8fc7\u6ee4\u5668\u8f93\u5165\u6846<\/strong>\uff1a<\/section>\n<ul class=\"wp-block-list\">\n<li><section><strong>\u8fc7\u6ee4\u5668\u8f93\u5165\u6846<\/strong>\uff1a\u7528\u4e8e\u8f93\u5165\u663e\u793a\u8fc7\u6ee4\u5668\uff0c\u7b5b\u9009\u663e\u793a\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e\u5305\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u8fc7\u6ee4\u5668\u63d0\u793a<\/strong>\uff1a\u63d0\u4f9b\u8fc7\u6ee4\u5668\u8bed\u6cd5\u63d0\u793a\u548c\u81ea\u52a8\u5b8c\u6210\u529f\u80fd\uff0c\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u8f93\u5165\u6b63\u786e\u7684\u8fc7\u6ee4\u5668\u3002<\/section><br><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6293\u5305\u8fc7\u6ee4\u57fa\u7840<\/strong><\/h2>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;Wireshark \u4e2d\u7684\u8fc7\u6ee4\u5668\u662f\u5176\u6700\u5f3a\u5927\u548c\u6700\u5e38\u7528\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u901a\u8fc7\u4f7f\u7528\u8fc7\u6ee4\u5668\uff0c\u7528\u6237\u53ef\u4ee5\u4ece\u5e9e\u5927\u7684\u6570\u636e\u5305\u6355\u83b7\u4e2d\u7b5b\u9009\u51fa\u611f\u5174\u8da3\u7684\u7279\u5b9a\u6570\u636e\u5305\uff0c\u4ece\u800c\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u7f51\u7edc\u5206\u6790\u548c\u6545\u969c\u6392\u9664\u3002<\/p>\n\n\n\n<p>\u6293\u5305\u8fc7\u6ee4\u662f\u6307\u5728\u6570\u636e\u5305\u6355\u83b7\u548c\u5206\u6790\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528\u7279\u5b9a\u7684\u89c4\u5219\u548c\u6761\u4ef6\uff0c\u7b5b\u9009\u51fa\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e\u5305\u3002Wireshark \u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u7684\u8fc7\u6ee4\u5668\u7c7b\u578b\uff1a\u663e\u793a\u8fc7\u6ee4\u5668\u548c\u6355\u83b7\u8fc7\u6ee4\u5668\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>\u663e\u793a\u8fc7\u6ee4\u5668<\/strong>\uff1a\u7528\u4e8e\u5728\u6355\u83b7\u540e\u7b5b\u9009\u548c\u663e\u793a\u7279\u5b9a\u7684\u6570\u636e\u5305\u3002\u663e\u793a\u8fc7\u6ee4\u5668\u662f\u5728\u6570\u636e\u5305\u5df2\u7ecf\u88ab\u6355\u83b7\u4e4b\u540e\u5e94\u7528\u7684\uff0c\u5b83\u4e0d\u4f1a\u5f71\u54cd\u5b9e\u9645\u7684\u6570\u636e\u5305\u6355\u83b7\u8fc7\u7a0b\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u6355\u83b7\u8fc7\u6ee4\u5668<\/strong>\uff1a\u7528\u4e8e\u5728\u6355\u83b7\u8fc7\u7a0b\u4e2d\u7b5b\u9009\u6570\u636e\u5305\u3002\u6355\u83b7\u8fc7\u6ee4\u5668\u662f\u5728\u6570\u636e\u5305\u6355\u83b7\u4e4b\u524d\u5e94\u7528\u7684\uff0c\u5b83\u4f1a\u76f4\u63a5\u5f71\u54cd\u6355\u83b7\u5230\u7684\u6570\u636e\u5305\u6570\u91cf\u548c\u5185\u5bb9\u3002<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp; &nbsp; &nbsp; &nbsp;Wireshark \u652f\u6301\u4e24\u79cd\u7c7b\u578b\u7684\u8fc7\u6ee4\u5668\uff1a\u663e\u793a\u8fc7\u6ee4\u5668\u548c\u6355\u83b7\u8fc7\u6ee4\u5668\u3002\u5b83\u4eec\u7684\u8bed\u6cd5\u548c\u4f7f\u7528\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u4e24\u79cd\u8fc7\u6ee4\u5668\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"437\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/3.png\" alt=\"\" class=\"wp-image-195\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/3.png 900w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/3-300x146.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/3-768x373.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u663e\u793a\u8fc7\u6ee4\u5668<\/strong><\/h2>\n\n\n\n<p>\u663e\u793a\u8fc7\u6ee4\u5668\u662f Wireshark \u4e2d\u7528\u4e8e\u5728\u6570\u636e\u5305\u6355\u83b7\u4e4b\u540e\uff0c\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u7b5b\u9009\u548c\u663e\u793a\u6570\u636e\u5305\u7684\u5de5\u5177\u3002\u663e\u793a\u8fc7\u6ee4\u5668\u7684\u8bed\u6cd5\u76f8\u5bf9\u7b80\u5355\uff0c\u4f7f\u7528\u5b57\u6bb5\u540d\u3001\u8fd0\u7b97\u7b26\u548c\u503c\u6765\u6784\u5efa\u8fc7\u6ee4\u6761\u4ef6\u3002<\/p>\n\n\n\n<p>\u663e\u793a\u8fc7\u6ee4\u5668\u7684\u57fa\u7840\u8bed\u6cd5\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>\u5b57\u6bb5\u540d<\/strong>\uff1a\u6307\u5b9a\u8981\u8fc7\u6ee4\u7684\u6570\u636e\u5305\u5b57\u6bb5\uff0c\u5982\u00a0<code>ip.addr<\/code>\u3001<code>tcp.port<\/code>\u00a0\u7b49\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u8fd0\u7b97\u7b26<\/strong>\uff1a\u7528\u4e8e\u6bd4\u8f83\u5b57\u6bb5\u503c\u7684\u8fd0\u7b97\u7b26\uff0c\u5982\u00a0<code>==<\/code>\u3001<code>!=<\/code>\u3001<code>><\/code>\u3001<code>&lt;<\/code>\u3001<code>>=<\/code>\u3001<code>&lt;=<\/code>\u00a0\u7b49\u3002<\/section><br><\/li>\n\n\n\n<li><section><strong>\u503c<\/strong>\uff1a\u4e0e\u5b57\u6bb5\u540d\u8fdb\u884c\u6bd4\u8f83\u7684\u503c\uff0c\u53ef\u4ee5\u662f\u6570\u503c\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u7b49\u3002<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>\u793a\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.addr == 192.168.1.1<\/pre>\n<\/div>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.port == 80<\/pre>\n<\/div>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a\u534f\u8bae\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http<\/pre>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5e38\u7528\u7684\u663e\u793a\u8fc7\u6ee4\u5668<\/strong><\/h3>\n\n\n\n<p>\u4e00\u4e9b\u5e38\u7528\u7684\u663e\u793a\u8fc7\u6ee4\u5668\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>IP \u5730\u5740\u8fc7\u6ee4<\/strong>\uff1a<\/section><br><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a\u6e90 IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;htmlmixed&quot;,&quot;mime&quot;:&quot;text\/html&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.src == 192.168.3.9<\/pre>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"519\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/4-1024x519.png\" alt=\"\" class=\"wp-image-196\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/4-1024x519.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/4-300x152.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/4-768x389.png 768w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/4.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a\u76ee\u7684 IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.dst == 192.168.3.66<\/pre>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"412\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/5-1024x412.png\" alt=\"\" class=\"wp-image-197\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/5-1024x412.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/5-300x121.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/5-768x309.png 768w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/5.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a IP \u5730\u5740\u7684\u6570\u636e\u5305\uff08\u65e0\u8bba\u6e90\u8fd8\u662f\u76ee\u7684\uff09\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.addr == 192.168.3.9<\/pre>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"387\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/6-1024x387.png\" alt=\"\" class=\"wp-image-198\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/6-1024x387.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/6-300x113.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/6-768x290.png 768w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/6.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ol start=\"2\" class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>\u7aef\u53e3\u53f7\u8fc7\u6ee4<\/strong>\uff1a<\/section><br><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4\u7279\u5b9a\u6e90\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a<br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.srcport == 80<\/pre><br><\/div><br><\/section><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"347\" class=\"wp-image-199\" style=\"width: 1000px;\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/7.png\" alt=\"\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/7.png 1080w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/7-300x104.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/7-1024x356.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/7-768x267.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><section><br><\/section><br><\/li>\n\n\n\n<li><section>\u8fc7\u6ee4\u7279\u5b9a\u76ee\u7684\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a<br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.dstport == 443<\/pre><br><\/div><br><\/section><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"389\" class=\"wp-image-200\" style=\"width: 1000px;\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/8.png\" alt=\"\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/8.png 1080w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/8-300x117.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/8-1024x398.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/8-768x299.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><section><ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><li><section>\u8fc7\u6ee4\u7279\u5b9a\u7aef\u53e3\u7684\u6570\u636e\u5305\uff08\u65e0\u8bba\u6e90\u8fd8\u662f\u76ee\u7684\uff09\uff1a<\/section><br><\/li><br><\/ul><br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.port == 80<\/pre><br><\/div><br><\/section><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"396\" class=\"wp-image-201\" style=\"width: 1000px;\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/9.png\" alt=\"\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/9.png 1080w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/9-300x119.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/9-1024x406.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/9-768x304.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><section><br><\/section><br><\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>\u534f\u8bae\u8fc7\u6ee4<\/strong>\uff1a<\/section><br><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4 HTTP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http<\/pre>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"549\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/10-1024x549.png\" alt=\"\" class=\"wp-image-202\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/10-1024x549.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/10-300x161.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/10-768x412.png 768w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/10.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4 TCP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp<\/pre>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"550\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/11-1024x550.png\" alt=\"\" class=\"wp-image-203\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/11-1024x550.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/11-300x161.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/11-768x412.png 768w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/11.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u8fc7\u6ee4 ICMP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp<\/pre>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"549\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/12-1024x549.png\" alt=\"\" class=\"wp-image-204\" srcset=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/12-1024x549.png 1024w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/12-300x161.png 300w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/12-768x412.png 768w, https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/12.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ol start=\"4\" class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>\u6392\u9664\u7279\u5b9a\u6d41\u91cf<\/strong>\uff1a<\/section><br><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list list-paddingleft-1\">\n<li><section>\u6392\u9664 ICMP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a<\/section><br><\/li>\n<\/ul>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">!icmp<\/pre>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fc7\u6ee4 HTTP \u6d41\u91cf<\/h3>\n\n\n\n<p>HTTP \u6d41\u91cf\u662f\u7f51\u7edc\u5206\u6790\u4e2d\u5e38\u89c1\u7684\u4e00\u90e8\u5206\uff0c\u901a\u8fc7\u663e\u793a\u8fc7\u6ee4\u5668\u53ef\u4ee5\u7b5b\u9009\u548c\u5206\u6790\u7279\u5b9a\u7684 HTTP \u8bf7\u6c42\u548c\u54cd\u5e94\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list list-paddingleft-1\">\n<li><section><strong>\u8fc7\u6ee4\u6240\u6709 HTTP \u6d41\u91cf<\/strong>\uff1a<br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http<\/pre><br><\/div><br><\/section><br><\/li>\n\n\n\n<li><section><strong>\u8fc7\u6ee4\u7279\u5b9a\u4e3b\u673a\u7684 HTTP \u6d41\u91cf<\/strong>\uff1a<br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http.host == \"www.example.com\"<\/pre><br><\/div><br><\/section><br><\/li>\n\n\n\n<li><section><strong>\u8fc7\u6ee4\u7279\u5b9a URI \u7684 HTTP \u8bf7\u6c42<\/strong>\uff1a<br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http.request.uri contains \"\/login\"<\/pre><br><\/div><br><\/section><br><\/li>\n\n\n\n<li><section><strong>\u8fc7\u6ee4\u7279\u5b9a\u65b9\u6cd5\u7684 HTTP \u8bf7\u6c42<\/strong>\uff1a<br><div class=\"wp-block-codemirror-blocks code-block \"><br><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http.request.method == \"POST\"<\/pre><br><\/div><br><\/section><br><\/li>\n<\/ol>\n\n\n\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u72b6\u6001\u7801\u7684 HTTP \u54cd\u5e94<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">\u8fc7\u6ee4\u7279\u5b9a\u72b6\u6001\u7801\u7684 HTTP \u54cd\u5e94\uff1a<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-205 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/13.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u8fc7\u6ee4 DNS \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">DNS \u6d41\u91cf\u4e5f\u662f\u7f51\u7edc\u5206\u6790\u4e2d\u5e38\u89c1\u7684\u5185\u5bb9\uff0c\u901a\u8fc7\u663e\u793a\u8fc7\u6ee4\u5668\u53ef\u4ee5\u7b5b\u9009\u548c\u5206\u6790 DNS \u67e5\u8be2\u548c\u54cd\u5e94\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4\u6240\u6709 DNS \u6d41\u91cf<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dns<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-206 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/14.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n\n\n\n<section><\/section>\n\n\n\n<section>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u57df\u540d\u7684 DNS \u67e5\u8be2<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dns.qry.name == \"example.com\"<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u7c7b\u578b\u7684 DNS \u67e5\u8be2<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dns.qry.type == 1  \/\/ A\u8bb0\u5f55\u67e5\u8be2<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-207 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/15.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u54cd\u5e94\u7801\u7684 DNS \u54cd\u5e94<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dns.flags.rcode == 0  \/\/ No error<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-208 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/16.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<\/ol>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a IP \u5730\u5740\u7684 DNS \u54cd\u5e94<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dns.a == 192.168.1.1<\/pre>\n<\/div>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u8fc7\u6ee4 TCP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">TCP \u662f\u4f20\u8f93\u5c42\u7684\u4e3b\u8981\u534f\u8bae\u4e4b\u4e00\uff0c\u901a\u8fc7\u663e\u793a\u8fc7\u6ee4\u5668\u53ef\u4ee5\u7b5b\u9009\u548c\u5206\u6790\u7279\u5b9a\u7684 TCP \u4f1a\u8bdd\u548c\u6d41\u91cf\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4\u6240\u6709 TCP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u6e90\u7aef\u53e3\u7684 TCP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.srcport == 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u76ee\u7684\u7aef\u53e3\u7684 TCP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.dstport == 443<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a TCP \u6807\u5fd7\u4f4d\u7684\u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.flags.syn == 1  \/\/ SYN \u5305<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-209 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/17.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a TCP \u4f1a\u8bdd\u7684\u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.stream eq 1<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-210 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/18.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u8fc7\u6ee4 UDP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">UDP \u662f\u4f20\u8f93\u5c42\u7684\u53e6\u4e00\u4e3b\u8981\u534f\u8bae\uff0c\u901a\u8fc7\u663e\u793a\u8fc7\u6ee4\u5668\u53ef\u4ee5\u7b5b\u9009\u548c\u5206\u6790\u7279\u5b9a\u7684 UDP \u4f1a\u8bdd\u548c\u6d41\u91cf\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4\u6240\u6709 UDP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-211 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/19.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u6e90\u7aef\u53e3\u7684 UDP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp.srcport == 53<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-212 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/20.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u76ee\u7684\u7aef\u53e3\u7684 UDP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp.dstport == 123<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li><strong>\u8fc7\u6ee4\u7279\u5b9a UDP \u4f1a\u8bdd\u7684\u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp.stream eq 1<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-213 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/21.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u8fc7\u6ee4 ICMP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">ICMP \u662f\u7f51\u7edc\u5c42\u7684\u91cd\u8981\u534f\u8bae\uff0c\u901a\u8fc7\u663e\u793a\u8fc7\u6ee4\u5668\u53ef\u4ee5\u7b5b\u9009\u548c\u5206\u6790\u7279\u5b9a\u7684 ICMP \u62a5\u6587\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4\u6240\u6709 ICMP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u7c7b\u578b\u7684 ICMP \u62a5\u6587<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp.type == 8  \/\/ Echo Request<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-214 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/22.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u4ee3\u7801\u7684 ICMP \u62a5\u6587<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp.code == 0<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-215 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/23.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a ID \u7684 ICMP \u62a5\u6587<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp.ident == 0x1234<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u5e8f\u5217\u53f7\u7684 ICMP \u62a5\u6587<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp.seq == 0x1<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u663e\u793a\u8fc7\u6ee4\u5668\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u663e\u793a\u8fc7\u6ee4\u5668\u8fd8\u652f\u6301\u66f4\u590d\u6742\u7684\u6761\u4ef6\u7ec4\u5408\u548c\u8868\u8fbe\u5f0f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u591a\u4e2a\u6761\u4ef6\u7684\u7ec4\u5408<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u6e90 IP \u548c\u76ee\u6807\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.src == 192.168.3.9 &amp;&amp; tcp.dstport == 8080<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-216 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/24.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8303\u56f4\u8fc7\u6ee4<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u5e27\u957f\u5ea6\u5728 100 \u5230 200 \u5b57\u8282\u4e4b\u95f4\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">frame.len &gt;= 100 &amp;&amp; frame.len &lt;= 200<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-217 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/25.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"3\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4 URI \u5305\u542b &#8220;login&#8221; \u7684 HTTP \u8bf7\u6c42\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http.request.uri matches \".*login.*\"<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"4\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u590d\u6742\u903b\u8f91\u8fc7\u6ee4<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u6e90 IP \u4e3a 192.168.1.1 \u4e14\u76ee\u7684\u7aef\u53e3\u4e3a 80\uff0c\u6216\u6e90 IP \u4e3a 192.168.1.2 \u4e14\u76ee\u7684\u7aef\u53e3\u4e3a 443 \u7684\u6570\u636e\u5305\uff1a<\/section>\n<\/li>\n<\/ul>\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">(ip.src == 192.168.3.9 &amp;&amp; tcp.dstport == 80) || (ip.src == 192.168.3.66 &amp;&amp; tcp.dstport == 443)<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-218 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/26.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<h2 style=\"text-align: center;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7\u8fc7\u6ee4\u5668<\/h2>\n<p>&nbsp;<\/p>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7\u8fc7\u6ee4\u5668\u5728\u6570\u636e\u5305\u6355\u83b7\u8fc7\u7a0b\u4e2d\u8d77\u4f5c\u7528\uff0c\u901a\u8fc7\u9884\u5148\u5b9a\u4e49\u7684\u6761\u4ef6\uff0c\u4ec5\u6355\u83b7\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e\u5305\u3002\u6355\u83b7\u8fc7\u6ee4\u5668\u4f7f\u7528 Berkeley Packet Filter (BPF) \u8bed\u6cd5\uff0c\u80fd\u591f\u5728\u6355\u83b7\u65f6\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u5305\uff0c\u63d0\u5347\u6355\u83b7\u6548\u7387\u3002<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-219 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/27.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<section>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7\u8fc7\u6ee4\u5668\u7684\u57fa\u7840\u8bed\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u5b57\u6bb5\u540d<\/strong>\uff1a\u6307\u5b9a\u8981\u8fc7\u6ee4\u7684\u6570\u636e\u5305\u5b57\u6bb5\uff0c\u5982&nbsp;<code>host<\/code>\u3001<code>port<\/code>\u3001<code>net<\/code>&nbsp;\u7b49\u3002<\/section>\n<\/li>\n<li>\n<section><strong>\u8fd0\u7b97\u7b26<\/strong>\uff1a\u7528\u4e8e\u6bd4\u8f83\u5b57\u6bb5\u503c\u7684\u8fd0\u7b97\u7b26\uff0c\u5982&nbsp;<code>==<\/code>\u3001<code>!=<\/code>\u3001<code>&gt;<\/code>\u3001<code>&lt;<\/code>\u3001<code>&gt;=<\/code>\u3001<code>&lt;=<\/code>&nbsp;\u7b49\u3002<\/section>\n<\/li>\n<li>\n<section><strong>\u503c<\/strong>\uff1a\u4e0e\u5b57\u6bb5\u540d\u8fdb\u884c\u6bd4\u8f83\u7684\u503c\uff0c\u53ef\u4ee5\u662f\u6570\u503c\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u7b49\u3002<\/section>\n<\/li>\n<\/ul>\n<blockquote data-tool=\"mdnice\u7f16\u8f91\u5668\"><p>\ud83d\udca1\u6355\u83b7\u8fc7\u6ee4\u5668\u6700\u7ec8\u7684\u6548\u679c\u548c\u663e\u793a\u8fc7\u6ee4\u5668\u5dee\u4e0d\u591a\uff0c\u6240\u4ee5\u4e0b\u9762\u745e\u54e5\u7684\u622a\u56fe\u4f1a\u5c11\u70b9\uff0c\u5927\u5bb6\u53ef\u4ee5\u81ea\u5df1\u5c1d\u8bd5\u3002<\/p><\/blockquote>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u793a\u4f8b\uff1a<\/p>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">host 192.168.3.9<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-220 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/28.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u534f\u8bae\u7684\u6570\u636e\u5305\uff1a<\/section>\n<\/li>\n<\/ul>\n\n<p>&nbsp;<\/p>\n<section>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-221 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/29.png\" alt=\"\" width=\"1000\" height=\"640\"><\/section>\n<\/section>\n<section>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5e38\u7528\u7684\u6355\u83b7\u8fc7\u6ee4\u5668<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u4e00\u4e9b\u5e38\u7528\u7684\u6355\u83b7\u8fc7\u6ee4\u5668\u5305\u62ec\uff1a<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>IP \u5730\u5740\u8fc7\u6ee4<\/strong>\uff1a<span style=\"font-size: 16px; font-style: normal;\">&nbsp;<\/span><\/section>\n<\/li>\n<\/ol>\n<section>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a<\/section>\n<\/li>\n<\/ul>\n<\/section>\n<section>\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">host 192.168.1.1<\/pre>\n<\/div>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u6e90 IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">src host 192.168.1.1<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u76ee\u7684 IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dst host 192.168.3.66<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-222 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/30.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u7aef\u53e3\u53f7\u8fc7\u6ee4<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">port 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u6e90\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">src port 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u76ee\u7684\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dst port 443<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"3\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u534f\u8bae\u8fc7\u6ee4<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4 TCP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section>\u8fc7\u6ee4 UDP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section>\u8fc7\u6ee4 ICMP \u534f\u8bae\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"4\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6392\u9664\u7279\u5b9a\u6d41\u91cf<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u6392\u9664\u7279\u5b9a IP \u5730\u5740\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">not host 192.168.1.1<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section>\u6392\u9664\u7279\u5b9a\u7aef\u53e3\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">not port 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7 HTTP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u6355\u83b7\u8fc7\u6ee4\u5668\u7b5b\u9009 HTTP \u6d41\u91cf\u53ef\u4ee5\u51cf\u5c11\u6355\u83b7\u7684\u6570\u636e\u91cf\uff0c\u5c24\u5176\u662f\u5728\u53ea\u9700\u8981\u5206\u6790\u7279\u5b9a\u7684 HTTP \u8bf7\u6c42\u548c\u54cd\u5e94\u65f6\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6355\u83b7\u6240\u6709 HTTP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp port 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u4e3b\u673a\u7684 HTTP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp port 80 and host www.example.com<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7 DNS \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u6355\u83b7\u8fc7\u6ee4\u5668\u7b5b\u9009 DNS \u6d41\u91cf\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6355\u83b7\u7279\u5b9a\u7684 DNS \u67e5\u8be2\u548c\u54cd\u5e94\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6355\u83b7\u6240\u6709 DNS \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp port 53<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u57df\u540d\u7684 DNS \u67e5\u8be2<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp port 53 and host example.com<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7 TCP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u6355\u83b7\u8fc7\u6ee4\u5668\u7b5b\u9009 TCP \u6d41\u91cf\uff0c\u53ef\u4ee5\u6355\u83b7\u7279\u5b9a\u4f1a\u8bdd\u548c\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684 TCP \u62a5\u6587\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6355\u83b7\u6240\u6709 TCP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u6e90\u7aef\u53e3\u7684 TCP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">src port 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u76ee\u7684\u7aef\u53e3\u7684 TCP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dst port 443<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-223 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/31.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a TCP \u6807\u5fd7\u4f4d\u7684\u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp[tcpflags] &amp; tcp-syn != 0  \/\/ SYN \u5305<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7 UDP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u6355\u83b7\u8fc7\u6ee4\u5668\u7b5b\u9009 UDP \u6d41\u91cf\uff0c\u53ef\u4ee5\u6355\u83b7\u7279\u5b9a\u4f1a\u8bdd\u548c\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684 UDP \u62a5\u6587\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6355\u83b7\u6240\u6709 UDP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">udp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u6e90\u7aef\u53e3\u7684 UDP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">src port 53<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u76ee\u7684\u7aef\u53e3\u7684 UDP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">dst port 123<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7 ICMP \u6d41\u91cf<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u6355\u83b7\u8fc7\u6ee4\u5668\u7b5b\u9009 ICMP \u6d41\u91cf\uff0c\u53ef\u4ee5\u6355\u83b7\u7279\u5b9a\u7c7b\u578b\u548c\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684 ICMP \u62a5\u6587\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6355\u83b7\u6240\u6709 ICMP \u6d41\u91cf<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u7c7b\u578b\u7684 ICMP \u62a5\u6587<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp[icmptype] == icmp-echo<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<li>\n<section><strong>\u6355\u83b7\u7279\u5b9a\u4ee3\u7801\u7684 ICMP \u62a5\u6587<\/strong>\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">icmp[icmpcode] == 0<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ol>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7\u8fc7\u6ee4\u5668\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6355\u83b7\u8fc7\u6ee4\u5668\u652f\u6301\u66f4\u590d\u6742\u7684\u6761\u4ef6\u7ec4\u5408\u548c\u8868\u8fbe\u5f0f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u591a\u4e2a\u6761\u4ef6\u7684\u7ec4\u5408<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u6e90 IP \u548c\u76ee\u6807\u7aef\u53e3\u540c\u65f6\u6ee1\u8db3\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">src host 192.168.1.1 and dst port 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8303\u56f4\u8fc7\u6ee4<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u7279\u5b9a\u7f51\u6bb5\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">net 192.168.1.0\/24<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"3\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u590d\u6742\u903b\u8f91\u8fc7\u6ee4<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u6e90 IP \u4e3a 192.168.1.1 \u4e14\u76ee\u6807\u7aef\u53e3\u4e3a 80\uff0c\u6216\u6e90 IP \u4e3a 192.168.1.2 \u4e14\u76ee\u6807\u7aef\u53e3\u4e3a 443 \u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">(src host 192.168.1.1 and dst port 80) or (src host 192.168.1.2 and dst port 443)<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"4\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u5b57\u6bb5\u5b58\u5728\u68c0\u67e5<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u5b58\u5728\u7279\u5b9a\u5b57\u6bb5\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp[tcpflags] &amp; tcp-syn != 0<\/pre>\n<\/div>\n<figure><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-224 aligncenter\" src=\"https:\/\/www.cqchen86.cn\/wp-content\/uploads\/2024\/08\/32.png\" alt=\"\" width=\"1000\" height=\"640\"><\/figure><p><\/p>\n<\/section>\n<\/li>\n<\/ul>\n<h2 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u9ad8\u7ea7\u8fc7\u6ee4\u6280\u5de7<\/h2>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">Wireshark \u8fc7\u6ee4\u5668\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u7b80\u5355\u7684\u6761\u4ef6\u7b5b\u9009\uff0c\u8fd8\u652f\u6301\u66f4\u590d\u6742\u7684\u903b\u8f91\u8fd0\u7b97\u548c\u7ec4\u5408\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u7684\u8fc7\u6ee4\u3002<\/p>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u7ec4\u5408\u8fc7\u6ee4\u6761\u4ef6<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u7ec4\u5408\u591a\u4e2a\u8fc7\u6ee4\u6761\u4ef6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u7b5b\u9009\u903b\u8f91\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>AND \u903b\u8f91\u7ec4\u5408<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u6e90 IP \u4e3a 192.168.1.1 \u4e14\u76ee\u7684\u7aef\u53e3\u4e3a 80\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.src == 192.168.1.1 &amp;&amp; tcp.dstport == 80<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>OR \u903b\u8f91\u7ec4\u5408<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u6e90 IP \u4e3a 192.168.1.1 \u6216\u76ee\u7684\u7aef\u53e3\u4e3a 443 \u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.src == 192.168.1.1 || tcp.dstport == 443<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"3\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u6df7\u5408\u903b\u8f91\u7ec4\u5408<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u6e90 IP \u4e3a 192.168.1.1 \u4e14\uff08\u76ee\u7684\u7aef\u53e3\u4e3a 80 \u6216 443\uff09\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.src == 192.168.1.1 &amp;&amp; (tcp.dstport == 80 || tcp.dstport == 443)<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">Wireshark \u7684\u663e\u793a\u8fc7\u6ee4\u5668\u652f\u6301\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u7528\u6765\u5339\u914d\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u5339\u914d HTTP \u8bf7\u6c42 URI \u4e2d\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4 URI \u5305\u542b &#8220;login&#8221; \u7684 HTTP \u8bf7\u6c42\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http.request.uri matches \".*login.*\"<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u5339\u914d HTTP \u5934\u90e8\u4e2d\u7684\u7279\u5b9a\u5b57\u6bb5<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4 User-Agent \u5305\u542b &#8220;Mozilla&#8221; \u7684 HTTP \u8bf7\u6c42\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">http.request.header.User-Agent matches \".*Mozilla.*\"<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5b57\u6bb5\u5b58\u5728\u68c0\u67e5<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">\u901a\u8fc7\u68c0\u67e5\u5b57\u6bb5\u662f\u5426\u5b58\u5728\uff0c\u53ef\u4ee5\u7b5b\u9009\u51fa\u5305\u542b\u7279\u5b9a\u5b57\u6bb5\u7684\u6570\u636e\u5305\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u68c0\u67e5 IP \u9009\u9879\u5b57\u6bb5\u662f\u5426\u5b58\u5728<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u5305\u542b IP \u9009\u9879\u5b57\u6bb5\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">ip.options<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u68c0\u67e5 TCP \u9009\u9879\u5b57\u6bb5\u662f\u5426\u5b58\u5728<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4\u5305\u542b TCP \u9009\u9879\u5b57\u6bb5\u7684\u6570\u636e\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.options<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<h3 data-tool=\"mdnice\u7f16\u8f91\u5668\">\u4f7f\u7528\u504f\u79fb\u91cf\u548c\u63a9\u7801<\/h3>\n<p data-tool=\"mdnice\u7f16\u8f91\u5668\">Wireshark \u8fc7\u6ee4\u5668\u652f\u6301\u901a\u8fc7\u504f\u79fb\u91cf\u548c\u63a9\u7801\u7b5b\u9009\u7279\u5b9a\u4f4d\u7684\u6570\u636e\u3002<\/p>\n<ol class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4 TCP \u6807\u5fd7\u4f4d\u4e2d\u7684 SYN \u5305<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u4f7f\u7528\u4f4d\u8fd0\u7b97\u8fc7\u6ee4 TCP SYN \u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp.flags &amp; 0x02 != 0<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<ol class=\"list-paddingleft-1\" start=\"2\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section><strong>\u8fc7\u6ee4\u7279\u5b9a\u5b57\u8282\u504f\u79fb\u91cf\u7684\u6570\u636e\u5305<\/strong>\uff1a<\/section>\n<\/li>\n<\/ol>\n<ul class=\"list-paddingleft-1\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li>\n<section>\u8fc7\u6ee4 TCP \u6570\u636e\u5305\u4e2d\u5305\u542b\u7279\u5b9a\u6570\u636e\u6a21\u5f0f\u7684\u5305\uff1a\n<div class=\"wp-block-codemirror-blocks code-block \">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;apl&quot;,&quot;mime&quot;:&quot;text\/apl&quot;,&quot;theme&quot;:&quot;material&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">tcp[13] &amp; 0x02 != 0<\/pre>\n<\/div>\n<\/section>\n<\/li>\n<\/ul>\n<p><strong>\u672c\u6587\u5b8c\uff01<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Wireshark \u662f\u4e00\u6b3e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":193,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[9],"tags":[],"class_list":["post-192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/comments?post=192"}],"version-history":[{"count":9,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/posts\/192\/revisions"}],"predecessor-version":[{"id":258,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/posts\/192\/revisions\/258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/media\/193"}],"wp:attachment":[{"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/media?parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/categories?post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqchen86.cn\/index.php\/wp-json\/wp\/v2\/tags?post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}