{"id":77531,"date":"2024-01-02T10:28:38","date_gmt":"2024-01-02T02:28:38","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=77531"},"modified":"2024-01-02T10:28:38","modified_gmt":"2024-01-02T02:28:38","slug":"tssm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/77531.html","title":{"rendered":"TCP FIN\u662f\u4ec0\u4e48"},"content":{"rendered":"<p>&emsp;&emsp;TCP FIN\u662f\u5728TCP\u8fde\u63a5\u4e2d\u7528\u4e8e\u7ed3\u675f\u6570\u636e\u4f20\u8f93\u7684\u4e00\u79cd\u6807\u5fd7\uff0c\u5b83\u544a\u8bc9\u5bf9\u65b9\u6570\u636e\u5df2\u4f20\u9001\u5b8c\u6210\uff0c\u53ef\u4ee5\u5173\u95ed\u8fde\u63a5\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecdTCP FIN\u7684\u542b\u4e49\u53ca\u5176\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 style=\"text-align: center;\">\u4ec0\u4e48\u662fTCP\u548cTCP\u8fde\u63a5<\/h2>\n<p>&emsp;&emsp;TCP\uff08Transmission Control Protocol\uff09\u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u53ef\u9760\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u7f51\u7edc\u4e0a\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5728TCP\u8fde\u63a5\u4e2d\uff0c\u901a\u4fe1\u53cc\u65b9\u901a\u8fc7\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5\uff0c\u5728\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\u901a\u8fc7\u56db\u6b21\u6325\u624b\u7ed3\u675f\u8fde\u63a5\u3002TCP\u8fde\u63a5\u7684\u5efa\u7acb\u548c\u7ec8\u6b62\u8fc7\u7a0b\u5bf9\u4e8e\u7f51\u7edc\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>&emsp;&emsp;TCP\u8fde\u63a5\u7684\u4e09\u6b21\u63e1\u624b<\/h3>\n<p>&emsp;&emsp;\u5728\u5efa\u7acbTCP\u8fde\u63a5\u65f6\uff0c\u5ba2\u6237\u7aef\u9996\u5148\u5411\u670d\u52a1\u7aef\u53d1\u9001SYN\uff08\u540c\u6b65\uff09\u5305\uff0c\u670d\u52a1\u7aef\u6536\u5230\u540e\u56de\u590dSYN-ACK\uff08\u540c\u6b65-\u786e\u8ba4\uff09\u5305\uff0c\u6700\u540e\u5ba2\u6237\u7aef\u518d\u53d1\u9001ACK\uff08\u786e\u8ba4\uff09\u5305\uff0c\u5b8c\u6210\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5\u7684\u8fc7\u7a0b\u3002<\/p>\n<h3>&emsp;&emsp;TCP\u8fde\u63a5\u7684\u56db\u6b21\u6325\u624b<\/h3>\n<p>&emsp;&emsp;\u5728\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\uff0c\u901a\u4fe1\u53cc\u65b9\u9700\u8981\u7ed3\u675f\u8fde\u63a5\uff0c\u8fd9\u5c31\u8981\u7528\u5230TCP FIN\u3002\u5728\u56db\u6b21\u6325\u624b\u8fc7\u7a0b\u4e2d\uff0c\u5176\u4e2d\u4e00\u65b9\uff08\u901a\u5e38\u662f\u6570\u636e\u53d1\u9001\u65b9\uff09\u53d1\u9001\u5e26\u6709FIN\u6807\u5fd7\u7684\u5305\uff0c\u544a\u8bc9\u5bf9\u65b9\u6570\u636e\u5df2\u4f20\u9001\u5b8c\u6210\u3002\u5bf9\u65b9\u6536\u5230\u540e\u4e5f\u53d1\u9001\u5e26\u6709FIN\u6807\u5fd7\u7684\u5305\uff0c\u8868\u793a\u540c\u610f\u5173\u95ed\u8fde\u63a5\uff0c\u6700\u7ec8\u53cc\u65b9\u5b8c\u6210\u8fde\u63a5\u5173\u95ed\u3002<\/p>\n<h2 style=\"text-align: center;\">TCP FIN\u7684\u4f5c\u7528\u53ca\u76f8\u5173\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>&emsp;&emsp;TCP FIN\u6807\u5fd7\u7684\u6b63\u786e\u4f7f\u7528\u5bf9\u4e8e\u7f51\u7edc\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u4e0e\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u4f7f\u7528\u4e0d\u5f53\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8fde\u63a5\u8d44\u6e90\u672a\u80fd\u53ca\u65f6\u91ca\u653e\uff0c\u5f71\u54cd\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n<h3>&emsp;&emsp;\u8fde\u63a5\u8d44\u6e90\u7684\u91ca\u653e<\/h3>\n<p>&emsp;&emsp;\u6b63\u786e\u53d1\u9001\u548c\u63a5\u6536TCP FIN\u5305\u53ef\u4ee5\u53ca\u65f6\u91ca\u653e\u8fde\u63a5\u8d44\u6e90\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u548c\u7f51\u7edc\u62e5\u5835\u95ee\u9898\u3002\u540c\u65f6\uff0c\u786e\u4fdd\u8fde\u63a5\u7684\u53ca\u65f6\u5173\u95ed\u4e5f\u6709\u5229\u4e8e\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n<h3>&emsp;&emsp;\u5b89\u5168\u6027\u8003\u8651<\/h3>\n<p>&emsp;&emsp;\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\uff0c\u6076\u610f\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u672a\u6b63\u786e\u5904\u7406TCP FIN\u5305\u7684\u6f0f\u6d1e\u8fdb\u884c\u653b\u51fb\uff0c\u4f8b\u5982\u901a\u8fc7\u53d1\u9001\u865a\u5047\u7684FIN\u5305\u6765\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08DDoS\uff09\u653b\u51fb\u3002\u56e0\u6b64\uff0c\u5e94\u5f53\u8c28\u614e\u5904\u7406TCP FIN\u6807\u5fd7\uff0c\u9632\u8303\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<h2 style=\"text-align: center;\">\u603b\u7ed3<\/h2>\n<p>&emsp;&emsp;<strong>\u672c\u6587\u4ecb\u7ecd\u4e86TCP FIN\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u4f5c\u7528\u53ca\u76f8\u5173\u91cd\u8981\u6027\uff0c\u4ee5\u53ca\u4e0eTCP\u8fde\u63a5\u8fc7\u7a0b\u7684\u7d27\u5bc6\u5173\u8054\u3002<\/strong>\u6b63\u786e\u4f7f\u7528TCP FIN\u5bf9\u4e8e\u4fdd\u969c\u7f51\u7edc\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u52a0\u6df1\u5165\u7406\u89e3TCP\u534f\u8bae\u53ca\u5176\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n<footer>\u4f5c\u8005\uff1aAI\u52a9\u624b<\/footer>\n","protected":false},"excerpt":{"rendered":"<p>TCPFIN\u662f\u5728TCP\u8fde\u63a5\u4e2d\u7528\u4e8e\u7ed3\u675f\u6570\u636e\u4f20\u8f93\u7684\u4e00\u79cd\u6807\u5fd7\uff0c\u5b83\u544a\u8bc9\u5bf9\u65b9\u6570\u636e\u5df2\u4f20\u9001\u5b8c\u6210\uff0c\u53ef\u4ee5\u5173\u95ed\u8fde\u63a5\u3002\u672c\u6587\u5c06\u4ecb\u7ecdTCPFIN\u7684\u542b\u4e49\u53ca\u5176\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u91cd\u8981\u6027\u3002\u4ec0\u4e48\u662fTCP<\/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-77531","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\/77531","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=77531"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/77531\/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=77531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=77531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=77531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}