{"id":2650,"date":"2024-03-22T22:36:21","date_gmt":"2024-03-22T14:36:21","guid":{"rendered":"http:\/\/www.ccwifi.cc\/blogs\/?p=2650"},"modified":"2024-03-22T22:36:21","modified_gmt":"2024-03-22T14:36:21","slug":"%e6%8f%a1%e6%89%8b%e5%8c%85%e5%8a%a8%e5%9b%be%e5%9b%be%e8%a7%a3%e6%94%b6%e5%88%b0rst%e5%b0%b1%e4%b8%80%e5%ae%9a%e4%bc%9a%e6%96%ad2739","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2024\/03\/22\/%e6%8f%a1%e6%89%8b%e5%8c%85%e5%8a%a8%e5%9b%be%e5%9b%be%e8%a7%a3%e6%94%b6%e5%88%b0rst%e5%b0%b1%e4%b8%80%e5%ae%9a%e4%bc%9a%e6%96%ad2739\/","title":{"rendered":"\u63e1\u624b\u5305 \u52a8\u56fe\u56fe\u89e3\uff01\u6536\u5230RST\uff0c\u5c31\u4e00\u5b9a\u4f1a\u65ad\u5f00TCP\u8fde\u63a5\u5417\uff1f"},"content":{"rendered":"<div>\n<p>\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 <strong><a href=\"https:\/\/ccwifi.cc\" target=\"_blank\" rel=\"noopener\">\u63e1\u624b\u5305\u8dd1\u5305<\/a><\/strong><\/p>\n<p>\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n<p>\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_0.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u6211\u559c\u6b22\u73a9\u6587\u5b57\u6e38\u620f\uff0c\u5c31\u662f\u4e0d\u76f4\u63a5\u56de\u7b54\u95ee\u9898\u3002\u6211\u559c\u6b22\u5148\u4ecb\u7ecd\u4e00\u4e9b\u539f\u7406\u6027\u7684\u5185\u5bb9\uff0c\u7136\u540e\u518d\u56de\u7b54\u95ee\u9898\u3002\u4e3a\u4ec0\u4e48\u8981\u8fd9\u6837\u505a\u5462\uff1f\u4e0d\uff01\u6211\u5c31\u662f\u4e0d\u8fd9\u6837\u505a\uff01\u4f46\u662f\u5927\u5bb6\u53ef\u4ee5\u6839\u636e\u76ee\u5f55\u76f4\u63a5\u627e\u5230\u81ea\u5df1\u611f\u5174\u8da3\u7684\u90e8\u5206\u3002\u6211\u4e4b\u6240\u4ee5\u5148\u4ecb\u7ecd\u4e00\u4e9b\u539f\u7406\uff0c\u662f\u5e0c\u671b\u5927\u5bb6\u80fd\u5148\u4e86\u89e3\u4e00\u4e9b\u57fa\u7840\u77e5\u8bc6\uff0c\u7136\u540e\u9010\u6b65\u6df1\u5165\uff0c\u8fd9\u6837\u6709\u52a9\u4e8e\u5efa\u7acb\u77e5\u8bc6\u4f53\u7cfb\uff0c\u51cf\u5c11\u77e5\u8bc6\u65ad\u5c42\u3002\u597d\u4e86\uff0c\u8ba9\u6211\u4eec\u8fdb\u5165\u6b63\u9898\u3002\u4e0b\u9762\u662f\u672c\u6587\u7684\u76ee\u5f55\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_1.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>\u5f53\u6536\u5230RST\u65f6\u662f\u5426\u4e00\u5b9a\u4f1a\u65ad\u5f00\u8fde\u63a5\uff1f\u4ec0\u4e48\u662fRST\uff1f\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u65ad\u5f00TCP\u8fde\u63a5\u9700\u8981\u8fdb\u884c\u56db\u6b21\u6325\u624b\uff0c\u8fd9\u662f\u4e00\u79cd\u4f18\u96c5\u7684\u65b9\u5f0f\u3002\u4f46\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\uff0c\u53cc\u65b9\u53ef\u80fd\u90fd\u4e0d\u6b63\u5e38\uff0c\u751a\u81f3\u65e0\u6cd5\u8fdb\u884c\u6325\u624b\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u79cd\u673a\u5236\u6765\u5f3a\u5236\u5173\u95ed\u8fde\u63a5\u3002RST\u5c31\u662f\u7528\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0c\u901a\u5e38\u7528\u4e8e\u5f02\u5e38\u5173\u95ed\u8fde\u63a5\u3002\u5b83\u662fTCP\u5305\u5934\u4e2d\u7684\u4e00\u4e2a\u6807\u5fd7\u4f4d\u3002\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u65e0\u8bba\u662f\u53d1\u9001\u8fd8\u662f\u63a5\u6536\u5230\u8bbe\u7f6e\u4e86\u8fd9\u4e2a\u6807\u5fd7\u4f4d\u7684\u6570\u636e\u5305\uff0c\u76f8\u5e94\u7684\u5185\u5b58\u3001\u7aef\u53e3\u548c\u5176\u4ed6\u8fde\u63a5\u8d44\u6e90\u90fd\u4f1a\u88ab\u91ca\u653e\uff0c\u4ece\u6548\u679c\u4e0a\u770b\u5c31\u662fTCP\u8fde\u63a5\u88ab\u5173\u95ed\u4e86\u3002\u800c\u63a5\u6536\u5230RST\u7684\u4e00\u65b9\u901a\u5e38\u4f1a\u770b\u5230\u4e00\u4e2a&#8221;connection reset&#8221;\u6216&#8221;connection refused&#8221;\u7684\u9519\u8bef\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_2.gif\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>TCP\u62a5\u5934\u4e2d\u7684RST\u4f4d\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u77e5\u9053\u6536\u5230\u4e86RST\uff1f\u6211\u4eec\u77e5\u9053\uff0c\u5185\u6838\u548c\u5e94\u7528\u5c42\u662f\u5206\u5f00\u7684\u4e24\u4e2a\u5c42\u6b21\uff0c\u7f51\u7edc\u901a\u4fe1\u529f\u80fd\u5728\u5185\u6838\u4e2d\uff0c\u800c\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u7aef\u5c5e\u4e8e\u5e94\u7528\u5c42\u3002\u5e94\u7528\u5c42\u53ea\u80fd\u901a\u8fc7send\/recv\u4e0e\u5185\u6838\u8fdb\u884c\u4ea4\u4e92\uff0c\u624d\u80fd\u611f\u77e5\u5230\u5185\u6838\u662f\u5426\u6536\u5230\u4e86RST\u3002\u5f53\u672c\u7aef\u6536\u5230\u8fdc\u7aef\u53d1\u9001\u7684RST\u65f6\uff0c\u5185\u6838\u5df2\u7ecf\u8ba4\u4e3a\u8fde\u63a5\u5df2\u5173\u95ed\u3002\u6b64\u65f6\uff0c\u5982\u679c\u672c\u7aef\u5e94\u7528\u5c42\u5c1d\u8bd5\u6267\u884c\u8bfb\u53d6\u6570\u636e\u7684\u64cd\u4f5c\uff0c\u5982recv\uff0c\u5e94\u7528\u5c42\u5c06\u6536\u5230&#8221;Connection reset by peer&#8221;\u7684\u9519\u8bef\uff0c\u8868\u793a\u8fdc\u7aef\u5df2\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_3.gif\" alt=\"\u63e1\u624b\u5305\"><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_4.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>ResetByPeer\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u5982\u679c\u672c\u7aef\u5e94\u7528\u5c42\u5c1d\u8bd5\u6267\u884c\u5199\u5165\u6570\u636e\u7684\u64cd\u4f5c\uff0c\u5982send\uff0c\u5e94\u7528\u5c42\u5c06\u6536\u5230&#8221;Broken pipe&#8221;\u7684\u9519\u8bef\uff0c\u8868\u793a\u53d1\u9001\u901a\u9053\u5df2\u635f\u574f\u3002\u8fd9\u4e24\u4e2a\u9519\u8bef\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u7ecf\u5e38\u9047\u5230\uff0c\u5efa\u8bae\u5c06\u672c\u6587\u6536\u85cf\u8d77\u6765\uff0c\u4ee5\u5907\u4e0d\u65f6\u4e4b\u9700\uff0c\u8bf4\u4e0d\u5b9a\u4f1a\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p>RST\u51fa\u73b0\u7684\u573a\u666f\u6709\u54ea\u4e9b\uff1fRST\u901a\u5e38\u51fa\u73b0\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5f52\u7c7b\u4e3a\u5bf9\u7aef\u7aef\u53e3\u4e0d\u53ef\u7528\u548c\u63d0\u524d\u5173\u95edsocket\u4e24\u79cd\u60c5\u51b5\u3002<\/p>\n<p>\u7aef\u53e3\u4e0d\u53ef\u7528\u5206\u4e3a\u4e24\u79cd\u60c5\u51b5\u3002\u4e00\u79cd\u662f\u7aef\u53e3\u4ece\u672a&#8221;\u53ef\u7528&#8221;\u8fc7\uff0c\u4f8b\u5982\u4ece\u672a\u76d1\u542c\u8fc7\uff1b\u53e6\u4e00\u79cd\u662f\u66fe\u7ecf&#8221;\u53ef\u7528&#8221;\uff0c\u4f46\u73b0\u5728&#8221;\u4e0d\u53ef\u7528&#8221;\u4e86\uff0c\u4f8b\u5982\u670d\u52a1\u7a81\u7136\u5d29\u6e83\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_5.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>TCP\u8fde\u63a5\u672a\u76d1\u542c\u7684\u7aef\u53e3\u662f\u6307\u670d\u52a1\u7aef\u7684listen\u65b9\u6cd5\u4f1a\u521b\u5efa\u4e00\u4e2asocket\u5e76\u653e\u5165\u5168\u5c40\u54c8\u5e0c\u8868\u4e2d\u3002\u6b64\u65f6\uff0c\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u7aef\u53d1\u8d77\u4e00\u4e2aconnect\u8bf7\u6c42\u3002\u670d\u52a1\u7aef\u5728\u6536\u5230\u6570\u636e\u5305\u540e\uff0c\u4f1a\u6839\u636eIP\u548c\u7aef\u53e3\u4ece\u54c8\u5e0c\u8868\u4e2d\u83b7\u53d6socket\u3002\u5982\u679c\u670d\u52a1\u7aef\u6267\u884c\u8fc7listen\uff0c\u5c31\u80fd\u4ece\u5168\u5c40\u54c8\u5e0c\u8868\u4e2d\u83b7\u53d6\u5230socket\u3002\u4f46\u5982\u679c\u670d\u52a1\u7aef\u6ca1\u6709\u6267\u884c\u8fc7listen\uff0c\u54c8\u5e0c\u8868\u4e2d\u5c31\u4e0d\u4f1a\u6709\u5bf9\u5e94\u7684socket\uff0c\u7ed3\u679c\u5f53\u7136\u662f\u83b7\u53d6\u4e0d\u5230\u3002\u6b64\u65f6\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\u670d\u52a1\u7aef\u4f1a\u5411\u5ba2\u6237\u7aef\u53d1\u9001RST\u3002\u7aef\u53e3\u672a\u76d1\u542c\u4e00\u5b9a\u4f1a\u53d1\u9001RST\u5417\uff1f\u5e76\u4e0d\u4e00\u5b9a\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u53d1\u9001RST\u7684\u524d\u63d0\u662f\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\u3002\u8ba9\u6211\u4eec\u770b\u770b\u6e90\u4ee3\u7801\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_6.jpg\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>\u5f53\u5185\u6838\u6536\u5230\u6570\u636e\u540e\uff0c\u4f1a\u4ece\u7269\u7406\u5c42\u3001\u6570\u636e\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u5e94\u7528\u5c42\u9010\u5c42\u4f20\u9012\u3002\u5230\u8fbe\u4f20\u8f93\u5c42\u65f6\uff0c\u6839\u636e\u5f53\u524d\u6570\u636e\u5305\u7684\u534f\u8bae\u662fTCP\u8fd8\u662fUDP\uff0c\u4f1a\u8d70\u4e0d\u540c\u7684\u51fd\u6570\u65b9\u6cd5\u3002\u53ef\u4ee5\u7b80\u5355\u5730\u8ba4\u4e3a\uff0cTCP\u6570\u636e\u5305\u90fd\u4f1a\u7ecf\u8fc7tcp<em>v4<\/em>rcv()\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u4f1a\u4ece\u5168\u5c40\u54c8\u5e0c\u8868\u4e2d\u83b7\u53d6socket\u3002\u5982\u679c\u6b64\u65f6\u670d\u52a1\u7aef\u6ca1\u6709\u6267\u884c\u8fc7listen\uff0c\u90a3\u4e48\u80af\u5b9a\u65e0\u6cd5\u83b7\u53d6\u5230socket\uff0c\u4f1a\u8df3\u8f6c\u5230no<em>tcp<\/em>socket\u7684\u903b\u8f91\u3002\u8bf7\u6ce8\u610f\uff0c\u4f1a\u5148\u6267\u884ctcp<em>checksum<\/em>complete()\u65b9\u6cd5\uff0c\u76ee\u7684\u662f\u68c0\u67e5\u6570\u636e\u5305\u7684\u6821\u9a8c\u548c\u662f\u5426\u5408\u6cd5\u3002\u6821\u9a8c\u548c\u53ef\u4ee5\u9a8c\u8bc1\u6570\u636e\u5728\u7aef\u5230\u7aef\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u662f\u5426\u51fa\u73b0\u5f02\u5e38\u3002\u6821\u9a8c\u548c\u7531\u53d1\u9001\u7aef\u8ba1\u7b97\uff0c\u7136\u540e\u7531\u63a5\u6536\u7aef\u9a8c\u8bc1\u3002\u8ba1\u7b97\u8303\u56f4\u5305\u62ec\u6570\u636e\u5305\u7684TCP\u9996\u90e8\u548cTCP\u6570\u636e\u3002\u5982\u679c\u5728\u53d1\u9001\u7aef\u5230\u63a5\u6536\u7aef\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u53d1\u751f\u4efb\u4f55\u6539\u52a8\uff0c\u4f8b\u5982\u88ab\u7b2c\u4e09\u65b9\u7be1\u6539\uff0c\u63a5\u6536\u65b9\u5c31\u80fd\u68c0\u6d4b\u5230\u6821\u9a8c\u548c\u9519\u8bef\uff0c\u6b64\u65f6TCP\u6bb5\u5c06\u88ab\u4e22\u5f03\u3002\u53ea\u6709\u5728\u6570\u636e\u5305\u6821\u9a8c\u548c\u6b63\u786e\u7684\u60c5\u51b5\u4e0b\uff0c\u624d\u4f1a\u53d1\u9001RST\u5305\u7ed9\u5bf9\u7aef\u3002\u56e0\u6b64\uff0c\u5728\u6570\u636e\u5305\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b\uff0c\u9ed8\u9ed8\u4e22\u5f03\u800c\u4e0d\u53d1\u9001RST\u662f\u975e\u5e38\u5408\u7406\u7684\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_7.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>\u8fd8\u662f\u65e0\u6cd5\u7406\u89e3\uff1f\u90a3\u6211\u518d\u4e3e\u4e2a\u4f8b\u5b50\u3002\u6b63\u5e38\u4eba\u5bf9\u4f60\u8fdb\u884c\u62a8\u51fb\u65f6\uff0c\u4ed6\u8bf4\u8bdd\u6761\u7406\u6e05\u6670\uff0c\u4e3b\u8c13\u5bbe\u5206\u660e\u3002\u6b64\u65f6\uff0c\u4f60\u56de\u51fb\u4ed6\uff0c\u4f60\u662f\u4e00\u4e2a\u5145\u6ee1\u70ed\u60c5\u3001\u6b63\u76f4\u3001\u6709\u5224\u65ad\u529b\u7684\u597d\u4eba\u3002\u800c\u6b64\u65f6\uff0c\u4e00\u4e2a\u601d\u7ef4\u6df7\u4e71\u3001\u8bf4\u8bdd\u4e0d\u6e05\u695a\u7684\u4eba\u4e5f\u60f3\u5bf9\u4f60\u8fdb\u884c\u62a8\u51fb\uff0c\u4f60\u867d\u7136\u542c\u4e0d\u61c2\u4ed6\u5728\u8bf4\u4ec0\u4e48\uff0c\u4f46\u5374\u53d7\u5230\u4e86\u9707\u64bc\u3002\u8fd9\u65f6\uff0c\u4f60\u4f1a\u600e\u4e48\u505a\uff1f\u4e00\u822c\u6765\u8bf4\uff0c\u6700\u597d\u7684\u9009\u62e9\u662f\u4e0d\u7406\u4ed6\uff0c\u56e0\u4e3a\u4f60\u8d8a\u7406\u4ed6\uff0c\u4ed6\u8d8a\u6765\u52b2\u3002\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u4f60\u80fd\u7406\u89e3\u4e86\u3002\u7a0b\u5e8f\u542f\u52a8\u4f46\u5d29\u6e83\u4e86\uff0c\u5728\u7aef\u53e3\u4e0d\u53ef\u7528\u7684\u573a\u666f\u4e2d\uff0c\u9664\u4e86\u7aef\u53e3\u672a\u76d1\u542c\u5916\uff0c\u8fd8\u6709\u53ef\u80fd\u662f\u4e4b\u524d\u76d1\u542c\u4e86\uff0c\u4f46\u670d\u52a1\u7aef\u5e94\u7528\u7a0b\u5e8f\u7a81\u7136\u5d29\u6e83\u4e86\u3002\u6b64\u65f6\uff0c\u5ba2\u6237\u7aef\u4ecd\u7136\u50cf\u5f80\u5e38\u4e00\u6837\u53d1\u9001\u6d88\u606f\uff0c\u800c\u670d\u52a1\u5668\u7684\u5185\u6838\u534f\u8bae\u6808\u4f1a\u56de\u590d\u4e00\u4e2aRST\u3002\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u8fd9\u79cd\u60c5\u51b5\u662f\u6700\u5e38\u89c1\u7684\u3002\u4f8b\u5982\uff0c\u5728\u670d\u52a1\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u4e86\u7a7a\u6307\u9488\u6216\u6570\u7ec4\u8d8a\u754c\u7b49\u9519\u8bef\uff0c\u7a0b\u5e8f\u7acb\u5373\u5d29\u6e83\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_9.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>TCP\u76d1\u542c\u4e86\u4f46\u5d29\u6e83\u4e86\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0e\u7aef\u53e3\u672a\u76d1\u542c\u672c\u8d28\u4e0a\u662f\u76f8\u4f3c\u7684\u3002\u5728\u670d\u52a1\u7aef\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u540e\uff0c\u4e4b\u524d\u76d1\u542c\u7684\u7aef\u53e3\u8d44\u6e90\u88ab\u91ca\u653e\uff0c\u4ece\u6548\u679c\u4e0a\u770b\uff0c\u7c7b\u4f3c\u4e8e\u5904\u4e8eCLOSED\u72b6\u6001\u3002\u6b64\u65f6\uff0c\u670d\u52a1\u7aef\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606f\uff0c\u5185\u6838\u534f\u8bae\u6808\u4f1a\u6839\u636eIP\u548c\u7aef\u53e3\u4ece\u5168\u5c40\u54c8\u5e0c\u8868\u4e2d\u67e5\u627esocket\uff0c\u7ed3\u679c\u5f53\u7136\u662f\u627e\u4e0d\u5230\u5bf9\u5e94\u7684socket\u6570\u636e\uff0c\u4e8e\u662f\u6267\u884c\u4e0e&#8221;\u7aef\u53e3\u672a\u76d1\u542c&#8221;\u65f6\u76f8\u540c\u7684\u903b\u8f91\uff0c\u53d1\u9001\u4e00\u4e2aRST\u3002\u5ba2\u6237\u7aef\u5728\u6536\u5230RST\u540e\u4e5f\u91ca\u653e\u4e86socket\u8d44\u6e90\uff0c\u4ece\u6548\u679c\u4e0a\u770b\uff0c\u8fde\u63a5\u65ad\u5f00\u4e86\u3002<\/p>\n<p>RST\u548c502\u9519\u8bef\u7684\u5173\u7cfb\u3002\u5728\u4e0a\u8ff0\u60c5\u51b5\u4e2d\uff0c\u5f53\u670d\u52a1\u7aef\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u540e\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u7ee7\u7eed\u53d1\u9001\u6570\u636e\uff0c\u4f1a\u6536\u5230\u4e00\u4e2aRST\u3002\u4f46\u5982\u679c\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u4e4b\u95f4\u52a0\u5165\u4e86\u4e00\u4e2anginx\uff0c\u5c31\u50cf\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_10.gif\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>RST\u548c502\u9519\u8bef\u3002nginx\u5145\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u4e4b\u95f4\u7684&#8221;\u4e2d\u95f4\u4eba&#8221;\u89d2\u8272\uff0c\u8d1f\u8d23\u8f6c\u53d1\u8bf7\u6c42\u548c\u54cd\u5e94\u7ed3\u679c\u3002\u4f46\u5f53\u670d\u52a1\u7aef\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u4f8b\u5982\u51fa\u73b0\u4e86\u91ce\u6307\u9488\u6216OOM\u95ee\u9898\u65f6\uff0c\u8f6c\u53d1\u5230\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u5fc5\u7136\u65e0\u6cd5\u5f97\u5230\u54cd\u5e94\uff0c\u540e\u7aef\u670d\u52a1\u7aef\u4f1a\u8fd4\u56de\u4e00\u4e2aRST\u7ed9nginx\u3002nginx\u5728\u6536\u5230\u8fd9\u4e2aRST\u540e\u4f1a\u65ad\u5f00\u4e0e\u670d\u52a1\u7aef\u7684\u8fde\u63a5\uff0c\u5e76\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u4e00\u4e2a502\u9519\u8bef\u7801\u3002\u56e0\u6b64\uff0c\u51fa\u73b0502\u9519\u8bef\u901a\u5e38\u662f\u56e0\u4e3a\u540e\u7aef\u7a0b\u5e8f\u5d29\u6e83\u3002\u57fa\u4e8e\u8fd9\u4e00\u70b9\uff0c\u5efa\u8bae\u67e5\u770b\u76d1\u63a7\u662f\u5426\u53d1\u751f\u4e86OOM\uff0c\u6216\u8005\u65e5\u5fd7\u4e2d\u662f\u5426\u6709\u7a7a\u6307\u9488\u7b49\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<p>socket\u63d0\u524d\u5173\u95ed\u3002\u8fd9\u79cd\u60c5\u51b5\u5206\u4e3a\u672c\u7aef\u63d0\u524d\u5173\u95ed\u548c\u8fdc\u7aef\u63d0\u524d\u5173\u95ed\u3002<\/p>\n<p>\u672c\u7aef\u63d0\u524d\u5173\u95ed\u3002\u5982\u679c\u672c\u7aef\u7684socket\u63a5\u6536\u7f13\u51b2\u533a\u4e2d\u4ecd\u6709\u672a\u8bfb\u53d6\u7684\u6570\u636e\uff0c\u6b64\u65f6\u63d0\u524d\u5173\u95edsocket\uff0c\u672c\u7aef\u4f1a\u5148\u6e05\u7a7a\u63a5\u6536\u7f13\u51b2\u533a\u7684\u6570\u636e\uff0c\u7136\u540e\u5411\u8fdc\u7aef\u53d1\u9001\u4e00\u4e2aRST\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_11.png\" alt=\"\u63e1\u624b\u5305\"><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_12.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>\u8fdc\u7aef\u63d0\u524d\u5173\u95ed\u3002\u5982\u679c\u8fdc\u7aef\u5df2\u7ecf\u5173\u95ed\u4e86socket\uff0c\u6b64\u65f6\u672c\u7aef\u4ecd\u7136\u5c1d\u8bd5\u5411\u8fdc\u7aef\u53d1\u9001\u6570\u636e\uff0c\u8fdc\u7aef\u4f1a\u56de\u590d\u4e00\u4e2aRST\u3002<\/p>\n<p>close()\u89e6\u53d1TCP\u56db\u6b21\u6325\u624b\u3002\u5927\u5bb6\u90fd\u77e5\u9053\uff0cTCP\u662f\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u53ef\u4ee5\u53d1\u9001\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u63a5\u6536\u6570\u636e\u3002close()\u7684\u542b\u4e49\u662f\u540c\u65f6\u5173\u95ed\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u7684\u529f\u80fd\u3002\u5f53\u5ba2\u6237\u7aef\u6267\u884cclose()\u65f6\uff0c\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u4f1a\u53d1\u9001\u7b2c\u4e00\u6b21\u6325\u624bFIN\uff0c\u7136\u540e\u670d\u52a1\u7aef\u56de\u590d\u7b2c\u4e8c\u6b21\u6325\u624bACK\u3002\u5982\u679c\u5728\u7b2c\u4e8c\u6b21\u548c\u7b2c\u4e09\u6b21\u6325\u624b\u4e4b\u95f4\uff0c\u670d\u52a1\u7aef\u5c1d\u8bd5\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\uff0c\u5ba2\u6237\u7aef\u4e0d\u4ec5\u4e0d\u4f1a\u63a5\u6536\u8fd9\u4e2a\u6d88\u606f\uff0c\u8fd8\u4f1a\u5411\u670d\u52a1\u7aef\u53d1\u9001\u4e00\u4e2aRST\u6d88\u606f\uff0c\u76f4\u63a5\u7ed3\u675f\u8fd9\u6b21\u8fde\u63a5\u3002<\/p>\n<p>\u5bf9\u65b9\u672a\u6536\u5230RST\u4f1a\u600e\u4e48\u6837\uff1f\u6211\u4eec\u77e5\u9053\uff0cTCP\u662f\u53ef\u9760\u4f20\u8f93\uff0c\u610f\u5473\u7740\u672c\u7aef\u53d1\u9001\u4e00\u4e2a\u6570\u636e\u540e\uff0c\u8fdc\u7aef\u4f1a\u56de\u590d\u4e00\u4e2aACK\uff0c\u8868\u793a&#8221;\u6211\u6536\u5230\u4e86\u8fd9\u4e2a\u5305&#8221;\u3002\u800cRST\u4e0d\u9700\u8981ACK\u786e\u8ba4\u3002\u56e0\u4e3aRST\u672c\u6765\u5c31\u662f\u7528\u4e8e\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u7684\uff0c\u65e2\u7136\u5df2\u7ecf\u5904\u4e8e\u5f02\u5e38\u60c5\u51b5\u4e0b\uff0c\u8fd8\u6307\u671b\u5bf9\u65b9\u80fd\u6b63\u5e38\u56de\u590d\u4e00\u4e2aACK\u5417\uff1f\u8fd9\u662f\u4e0d\u73b0\u5b9e\u7684\u3002\u4f46\u95ee\u9898\u53c8\u6765\u4e86\uff0c\u7f51\u7edc\u73af\u5883\u975e\u5e38\u590d\u6742\uff0c\u4e22\u5305\u662f\u5e38\u6709\u7684\u4e8b\u60c5\uff0c\u65e2\u7136RST\u5305\u4e0d\u9700\u8981ACK\u786e\u8ba4\uff0c\u90a3\u4e48\u5982\u679c\u5bf9\u65b9\u6ca1\u6709\u6536\u5230RST\u4f1a\u600e\u4e48\u6837\u5462\uff1f<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_13.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>RST\u4e22\u5931\u3002\u5982\u679cRST\u4e22\u5931\uff0c\u95ee\u9898\u4e5f\u4e0d\u5927\u3002\u4f8b\u5982\uff0c\u5728\u4e0a\u56fe\u4e2d\uff0c\u670d\u52a1\u7aef\u53d1\u9001\u4e86RST\u540e\uff0c\u670d\u52a1\u7aef\u8ba4\u4e3a\u8fde\u63a5\u4e0d\u53ef\u7528\u4e86\u3002\u5982\u679c\u5ba2\u6237\u7aef\u4e4b\u524d\u53d1\u9001\u4e86\u6570\u636e\uff0c\u4f46\u5f88\u4e45\u6ca1\u6709\u6536\u5230ACK\u54cd\u5e94\uff0c\u5ba2\u6237\u7aef\u4f1a\u91cd\u65b0\u53d1\u9001\uff0c\u91cd\u65b0\u53d1\u9001\u65f6\u4f1a\u89e6\u53d1\u4e00\u4e2a\u65b0\u7684RST\u5305\u3002\u5982\u679c\u5ba2\u6237\u7aef\u4e4b\u524d\u6ca1\u6709\u53d1\u9001\u6570\u636e\uff0c\u4f46\u670d\u52a1\u7aef\u7684RST\u4e22\u5931\uff0cTCP\u6709\u4e00\u4e2akeepalive\u673a\u5236\uff0c\u4f1a\u5b9a\u671f\u53d1\u9001\u63a2\u6d4b\u5305\uff0c\u8fd9\u79cd\u6570\u636e\u5305\u5230\u8fbe\u670d\u52a1\u7aef\u65f6\uff0c\u4e5f\u4f1a\u91cd\u65b0\u89e6\u53d1\u4e00\u4e2aRST\u3002<\/p>\n<pre><code class=\"language-text\">\/\/ net\/ipv4\/tcp_input.c\nstatic bool tcp_validate_incoming()\n{\n    \/\/ \u83b7\u53d6sock\n    struct tcp_sock *tp = tcp_sk(sk);\n    \/\/ step 1\uff1a\u5148\u5224\u65adseq\u662f\u5426\u5408\u6cd5\uff08\u662f\u5426\u5728\u5408\u6cd5\u63a5\u6536\u7a97\u53e3\u8303\u56f4\u5185\uff09\n    if (!tcp_sequence(tp, TCP_SKB_CB(skb)-&gt;seq, TCP_SKB_CB(skb)-&gt;end_seq)) {\n        goto discard;\n    }\n    \/\/ step 2\uff1a\u6267\u884c\u6536\u5230 RST \u540e\u8be5\u5e72\u7684\u4e8b\u60c5\n    if (th-&gt;rst) {\n        if (TCP_SKB_CB(skb)-&gt;seq == tp-&gt;rcv_nxt)\n            tcp_reset(sk);\n        else\n            tcp_send_challenge_ack(sk);\n        goto discard;\n    }\n}<\/code><\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_14.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>RST\u4e22\u5931\u540e\u7684keepalive\u3002\u6536\u5230RST\u4e00\u5b9a\u4f1a\u65ad\u5f00\u8fde\u63a5\u5417\uff1f\u5148\u8bf4\u7ed3\u8bba\uff0c\u4e0d\u4e00\u5b9a\u4f1a\u65ad\u5f00\u3002\u8ba9\u6211\u4eec\u770b\u770b\u6e90\u4ee3\u7801\u3002\u6536\u5230RST\u5305\u540e\uff0c\u9996\u5148\u901a\u8fc7tcp_sequence\u68c0\u67e5\u8be5seq\u662f\u5426\u5408\u6cd5\uff0c\u4e3b\u8981\u662f\u68c0\u67e5\u8be5seq\u662f\u5426\u5728\u5408\u6cd5\u63a5\u6536\u7a97\u53e3\u8303\u56f4\u5185\u3002\u5982\u679c\u4e0d\u5728\u8303\u56f4\u5185\uff0cRST\u5305\u5c06\u88ab\u4e22\u5f03\u3002\u4e3a\u4ec0\u4e48\u8981\u68c0\u67e5\u662f\u5426\u5728\u7a97\u53e3\u8303\u56f4\u5185\uff1f\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u53ef\u4ee5\u901a\u8fc7RST\u6765\u65ad\u5f00\u8fde\u63a5\u3002\u5047\u8bbe\u4e0d\u8fdb\u884cseq\u68c0\u67e5\uff0c\u5982\u679c\u6b64\u65f6\u6709\u6076\u610f\u7684\u7b2c\u4e09\u65b9\u4ecb\u5165\uff0c\u6784\u9020\u4e86\u4e00\u4e2aRST\u5305\uff0c\u5e76\u5728TCP\u548cIP\u7b49\u62a5\u5934\u4e2d\u586b\u5199\u4e86\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\uff0c\u53d1\u9001\u5230\u670d\u52a1\u7aef\uff0c\u90a3\u4e48\u670d\u52a1\u7aef\u5c06\u65ad\u5f00\u8fd9\u4e2a\u8fde\u63a5\u3002\u540c\u6837\u7684\uff0c\u4e5f\u53ef\u4ee5\u4f2a\u9020\u670d\u52a1\u7aef\u7684\u5305\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684RST\u653b\u51fb\u3002<\/p>\n<pre><code class=\"language-text\">struct tcp_skb_cb {\n    __u32       seq;        \/* Starting sequence number *\/\n}<\/code><\/pre>\n<p>RST\u653b\u51fb\u3002\u5f53\u53d7\u5230RST\u653b\u51fb\u65f6\uff0c\u4ece\u73b0\u8c61\u4e0a\u770b\uff0c\u5ba2\u6237\u7aef\u4f1a\u8ba4\u4e3a\u670d\u52a1\u7aef\u5d29\u6e83\u4e86\uff0c\u8fd9\u5bf9\u7528\u6237\u4f53\u9a8c\u975e\u5e38\u4e0d\u5229\u3002\u5982\u679c\u60f3\u8981\u8fdb\u884cRST\u653b\u51fb\uff0c\u653b\u51fb\u7a0b\u5e8f\u9700\u8981\u731c\u6d4b\u5408\u6cd5\u7684seq\u503c\u3002\u7a97\u53e3\u6570\u503cseq\u672c\u8d28\u4e0a\u53ea\u662f\u4e00\u4e2auint32\u7c7b\u578b\u7684\u503c\u3002\u5982\u679c\u5728\u5408\u6cd5\u7a97\u53e3\u8303\u56f4\u5185\u75af\u72c2\u731c\u6d4bseq\u7684\u503c\uff0c\u5e76\u6784\u9020\u76f8\u5e94\u7684\u6570\u636e\u5305\u53d1\u9001\u5230\u76ee\u6807\u673a\u5668\uff0c\u867d\u7136\u6982\u7387\u8f83\u4f4e\uff0c\u4f46\u603b\u662f\u80fd\u591f\u8bd5\u51fa\u6765\uff0c\u4ece\u800c\u5b9e\u73b0RST\u653b\u51fb\u3002\u8fd9\u79cd\u76f2\u76ee\u731c\u6d4bseq\u7684\u65b9\u5f0f\u88ab\u79f0\u4e3a\u5408\u6cd5\u7a97\u53e3\u76f2\u6253\uff08blind in-window attacks\uff09\u3002<\/p>\n<p>\u89c9\u5f97\u8fd9\u79cd\u65b9\u5f0f\u592a\u7b28\u4e86\uff1f\u8fd8\u6709\u66f4\u806a\u660e\u7684\u65b9\u5f0f\uff0c\u4f46\u5728\u6b64\u4e4b\u524d\uff0c\u9700\u8981\u5148\u4e86\u89e3\u4e0b\u9762\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u5728\u5df2\u8fde\u63a5\u72b6\u6001\u4e0b\u6536\u5230\u7b2c\u4e00\u6b21\u63e1\u624b\u5305\u4f1a\u600e\u4e48\u6837\uff1f\u6211\u4eec\u9700\u8981\u4e86\u89e3\u4e00\u4e2a\u95ee\u9898\uff0c\u4f8b\u5982\uff0c\u5f53\u670d\u52a1\u7aef\u5904\u4e8e\u5df2\u8fde\u63a5\uff08ESTABLISHED\uff09\u72b6\u6001\u65f6\uff0c\u5982\u679c\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u7b2c\u4e00\u6b21\u63e1\u624b\u5305\uff08SYN\uff09\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f<\/p>\n<p>\u4ee5\u524d\u6211\u4ee5\u4e3a\u670d\u52a1\u7aef\u4f1a\u8ba4\u4e3a\u5ba2\u6237\u7aef\u662f\u4e2a\u61a8\u61a8\uff0c\u76f4\u63a5RST\u8fde\u63a5\u3002\u4f46\u5b9e\u9645\u60c5\u51b5\u5e76\u975e\u5982\u6b64\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.ccwifi.cc\/blogs\/wp-content\/uploads\/2024\/03\/1711118172192_17.png\" alt=\"\u63e1\u624b\u5305\"><\/p>\n<p>\u5f53\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u4e0d\u5728\u5408\u6cd5\u7a97\u53e3\u8303\u56f4\u5185\u7684SYN\u5305\u65f6\uff0c\u670d\u52a1\u7aef\u4f1a\u53d1\u9001\u4e00\u4e2a\u5e26\u6709\u6b63\u786eseq\u503c\u7684ACK\u5305\uff0c\u8fd9\u4e2aACK\u5305\u88ab\u79f0\u4e3achallenge ack\u3002<\/p>\n<p>challenge ack\u6293\u5305\u3002\u4e0a\u56fe\u662f\u6293\u5305\u7684\u7ed3\u679c\uff0c\u4f7f\u7528scapy\u4f2a\u9020\u4e00\u4e2aseq=5\u7684\u5305\u53d1\u9001\u5230\u670d\u52a1\u7aef\uff08\u7aef\u53e39090\uff09\uff0c\u670d\u52a1\u7aef\u4f1a\u56de\u590d\u4e00\u4e2a\u5e26\u6709\u6b63\u786eseq\u503c\u7684challenge ack\u5305\u7ed9\u5ba2\u6237\u7aef\uff08\u7aef\u53e38888\uff09\u3002<\/p>\n<p>\u5229\u7528challenge ack\u83b7\u53d6seq\u3002\u4e0a\u8ff0\u63d0\u5230\u7684challenge ack\u4eff\u4f5b\u4e3a\u90a3\u4e9b\u76f2\u76ee\u731c\u6d4bseq\u7684\u4eba\u6253\u5f00\u4e86\u4e00\u6247\u65b0\u7684\u5927\u95e8\u3002\u83b7\u5f97challenge ack\u540e\uff0c\u653b\u51fb\u7a0b\u5e8f\u53ef\u4ee5\u4ee5ack\u503c\u4e3a\u57fa\u7840\uff0c\u5728\u4e00\u5b9a\u8303\u56f4\u5185\u8bbe\u7f6eseq\uff0c\u4ece\u800c\u5927\u5927\u589e\u52a0RST\u653b\u51fb\u7684\u6210\u529f\u7387\u3002<\/p>\n<p><!-- \u6587\u7ae0\u6765\u6e90:https:\/\/zhuanlan.zhihu.com\/p\/408969927 --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63e1\u624b\u5305\u63e1\u624b\u5305 \u52a8\u56fe\u56fe\u89e3\uff01\u6536\u5230RST\uff0c\u5c31\u4e00\u5b9a\u4f1a\u65ad\u5f00TCP\u8fde\u63a5\u5417\uff1f\u60f3\u5fc5\u5927\u5bb6\u5df2\u7ecf\u77e5\u9053\u6211\u7684niao\u6027\uff0c\u641e\u4e2a\u6807\u9898\uff0c\u5c31\u662f\u4e0d\u559c\u6b22\u7acb\u9a6c\u56de\u7b54\u3002\u5c31\u662f\u8981\u641e\u4e00\u5927\u5806\u539f\u7406\u6027\u7684\u4e1c\u897f\uff0c\u518d\u56de\u7b54\u6807\u9898\u7684\u95ee\u9898\u3002\u8bf4\u8fd9\u4e2a\u662f\u56e0\u4e3a\u6211\u8fd9\u6b21\u4f1a\u628a\u95ee\u9898\u7684\u7b54\u6848\u5c31\u653e\u5230\u5f00\u5934\u5417\uff1f\u4e0d\uff01\u6211\u5c31\u4e0d\uff01<\/p>\n","protected":false},"author":1,"featured_media":2651,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-2650","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/2650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=2650"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/2650\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media\/2651"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=2650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=2650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=2650"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=2650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}