{"id":77515,"date":"2024-01-04T19:39:55","date_gmt":"2024-01-04T11:39:55","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=77515"},"modified":"2024-01-04T19:39:55","modified_gmt":"2024-01-04T11:39:55","slug":"twltxzdhxgjc","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/77515.html","title":{"rendered":"TCP FIN PSH ACK: \u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u6838\u5fc3\u5173\u952e\u8bcd"},"content":{"rendered":"

  \u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\uff0cTCP FIN\u3001PSH\u548cACK\u662f\u975e\u5e38\u91cd\u8981\u7684\u5173\u952e\u8bcd\uff0c\u5b83\u4eec\u4ee3\u8868\u4e86\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u4e0d\u540c\u72b6\u6001\u548c\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e9b\u5173\u952e\u8bcd\u7684\u542b\u4e49\u548c\u4f5c\u7528\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u91cd\u8981\u6982\u5ff5\u3002<\/p>\n

TCP FIN: \u7ec8\u6b62\u8fde\u63a5<\/h2>\n

  TCP FIN\u662fTCP\u534f\u8bae\u4e2d\u7528\u4e8e\u7ec8\u6b62\u8fde\u63a5\u7684\u63a7\u5236\u4f4d\u3002\u5f53\u4e00\u7aef\u7684\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u4e86FIN\u5305\u65f6\uff0c\u8868\u793a\u8be5\u7aef\u6ca1\u6709\u6570\u636e\u8981\u53d1\u9001\u4e86\uff0c\u5e76\u4e14\u5173\u95ed\u8fde\u63a5\u3002\u63a5\u6536\u65b9\u5728\u6536\u5230FIN\u5305\u540e\u53ef\u4ee5\u56de\u590d\u4e00\u4e2aACK\u786e\u8ba4\u5305\uff0c\u7136\u540e\u81ea\u5df1\u4e5f\u53d1\u9001\u4e00\u4e2aFIN\u5305\uff0c\u8868\u793a\u540c\u610f\u5173\u95ed\u8fde\u63a5\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3aTCP\u8fde\u63a5\u7684\u6b63\u5e38\u7ec8\u6b62\u3002<\/p>\n

  FIN\u5305\u7684\u4f5c\u7528<\/h3>\n

  FIN\u5305\u7684\u53d1\u9001\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u5df2\u7ecf\u5b8c\u6210\u53d1\u9001\u6570\u636e\u7684\u4efb\u52a1\uff0c\u5e76\u8bf7\u6c42\u5173\u95ed\u8fde\u63a5\u3002\u8fd9\u5bf9\u4e8e\u91ca\u653e\u7f51\u7edc\u8d44\u6e90\u548c\u786e\u4fdd\u8fde\u63a5\u7684\u6b63\u5e38\u65ad\u5f00\u975e\u5e38\u91cd\u8981\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6b63\u786e\u5904\u7406FIN\u5305\u53ef\u4ee5\u907f\u514d\u7f51\u7edc\u8fde\u63a5\u8d44\u6e90\u7684\u6d6a\u8d39\uff0c\u63d0\u9ad8\u7f51\u7edc\u901a\u4fe1\u7684\u6548\u7387\u3002<\/p>\n

  \u5904\u7406FIN\u5305<\/h3>\n

  \u5728\u63a5\u6536\u5230FIN\u5305\u540e\uff0c\u63a5\u6536\u65b9\u9700\u8981\u53d1\u9001\u4e00\u4e2aACK\u5305\u4f5c\u4e3a\u5bf9FIN\u5305\u7684\u786e\u8ba4\uff0c\u7136\u540e\u7ee7\u7eed\u7b49\u5f85\u53e6\u4e00\u7aef\u53d1\u9001FIN\u5305\uff0c\u5b8c\u6210\u8fde\u63a5\u7684\u5173\u95ed\u8fc7\u7a0b\u3002\u5728\u5904\u7406FIN\u5305\u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u548c\u64cd\u4f5c\u7cfb\u7edf\u9700\u8981\u505a\u597d\u76f8\u5173\u7684\u8d44\u6e90\u91ca\u653e\u548c\u72b6\u6001\u66f4\u65b0\u5de5\u4f5c\uff0c\u786e\u4fdd\u8fde\u63a5\u7684\u6b63\u5e38\u5173\u95ed\u3002<\/p>\n

TCP PSH: \u63a8\u9001\u6570\u636e<\/h2>\n

  TCP PSH\u662fTCP\u534f\u8bae\u4e2d\u7684\u4e00\u4e2a\u63a7\u5236\u4f4d\uff0c\u7528\u4e8e\u6307\u793a\u63a5\u6536\u7aef\u5e94\u7528\u7a0b\u5e8f\u5c3d\u5feb\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\uff0c\u800c\u4e0d\u662f\u7b49\u5f85\u7f13\u51b2\u533a\u6ee1\u518d\u8fdb\u884c\u5904\u7406\u3002\u8fd9\u4e2a\u64cd\u4f5c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u5b9e\u65f6\u6216\u4ea4\u4e92\u5f0f\u7684\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

  PSH\u5305\u7684\u4f5c\u7528<\/h3>\n

  \u53d1\u9001\u7aef\u5e94\u7528\u7a0b\u5e8f\u5728\u53d1\u9001\u6570\u636e\u65f6\u5982\u679c\u8bbe\u7f6e\u4e86PSH\u6807\u5fd7\u4f4d\uff0c\u8868\u793a\u5e0c\u671b\u63a5\u6536\u7aef\u5c3d\u5feb\u5c06\u6570\u636e\u4ea4\u7ed9\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\uff0c\u800c\u4e0d\u5fc5\u7b49\u5f85\u7f13\u51b2\u533a\u586b\u6ee1\u3002\u63a5\u6536\u7aef\u6536\u5230PSH\u6807\u5fd7\u4f4d\u540e\uff0c\u4f1a\u7acb\u5373\u5c06\u6570\u636e\u4ea4\u7ed9\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u5f97\u6570\u636e\u5c3d\u5feb\u5904\u7406\u548c\u54cd\u5e94\uff0c\u63d0\u9ad8\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u5b9e\u65f6\u6027\u548c\u4ea4\u4e92\u6027\u3002<\/p>\n

  \u5b9e\u65f6\u5e94\u7528\u4e2d\u7684\u5e94\u7528<\/h3>\n

  \u5bf9\u4e8e\u9700\u8981\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u5b9e\u65f6\u6027\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5982\u89c6\u9891\u901a\u8bdd\u3001\u5728\u7ebf\u6e38\u620f\u7b49\uff0cPSH\u6807\u5fd7\u4f4d\u7684\u4f7f\u7528\u975e\u5e38\u91cd\u8981\u3002\u901a\u8fc7\u53ca\u65f6\u63a8\u9001\u6570\u636e\uff0c\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u5728\u7f51\u7edc\u4e2d\u7684\u505c\u7559\u65f6\u95f4\uff0c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86TCP FIN\u3001PSH\u548cACK\u8fd9\u4e09\u4e2a\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u5173\u952e\u8bcd\u7684\u542b\u4e49\u548c\u4f5c\u7528\u3002<\/strong>\u901a\u8fc7\u7406\u89e3\u8fd9\u4e9b\u5173\u952e\u8bcd\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1TCP\u534f\u8bae\u7684\u8fd0\u884c\u673a\u5236\uff0c\u63d0\u9ad8\u7f51\u7edc\u901a\u4fe1\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6b63\u786e\u5904\u7406FIN\u5305\u3001\u5408\u7406\u8bbe\u7f6ePSH\u6807\u5fd7\u4f4d\u548c\u53ca\u65f6\u53d1\u9001ACK\u786e\u8ba4\u662f\u4fdd\u969c\u7f51\u7edc\u901a\u4fe1\u8d28\u91cf\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\uff0cTCPFIN\u3001PSH\u548cACK\u662f\u975e\u5e38\u91cd\u8981\u7684\u5173\u952e\u8bcd\uff0c\u5b83\u4eec\u4ee3\u8868\u4e86\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u4e0d\u540c\u72b6\u6001\u548c\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e9b\u5173\u952e\u8bcd\u7684\u542b\u4e49\u548c\u4f5c\u7528\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u91cd<\/p>\n","protected":false},"author":1,"featured_media":64183,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[161],"class_list":["post-77515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-tcp"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/77515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=77515"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/77515\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=77515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=77515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=77515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}