{"id":207304,"date":"2025-07-08T09:36:44","date_gmt":"2025-07-08T01:36:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207304\/"},"modified":"2025-07-08T09:36:44","modified_gmt":"2025-07-08T01:36:44","slug":"%e5%a6%82%e6%9e%9c%e5%86%85%e5%ae%b9%e9%95%bf%e5%ba%a6%e9%94%99%e8%af%af%ef%bc%8cchrome-%e4%bc%9a%e5%85%b3%e9%97%ad-tcp-%e8%bf%9e%e6%8e%a5%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207304\/","title":{"rendered":"\u5982\u679c\u5185\u5bb9\u957f\u5ea6\u9519\u8bef\uff0cChrome \u4f1a\u5173\u95ed tcp \u8fde\u63a5\u5417\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u679c\u5185\u5bb9\u957f\u5ea6\u9519\u8bef\uff0cChrome \u4f1a\u5173\u95ed tcp \u8fde\u63a5\u5417\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-21 16:21:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300a\u5982\u679c\u5185\u5bb9\u957f\u5ea6\u9519\u8bef\uff0cChrome \u4f1a\u5173\u95ed tcp \u8fde\u63a5\u5417\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9Golang\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u5bf9 web \u670d\u52a1\u5668\u5bf9 http keep-alive header \u7684\u64cd\u4f5c\u611f\u5174\u8da3\u3002\u4e8e\u662f\u6211\u5728http server\u7684\u57fa\u7840\u4e0a\u642d\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684http server\u3002\u670d\u52a1\u5668\u9664\u4e86\u4f7f\u7528\u7b80\u5355\u7684 html http \u6b63\u6587\u54cd\u5e94\u5ba2\u6237\u7aef\u4e4b\u5916\u4ec0\u4e48\u4e5f\u4e0d\u505a\u3002<\/p>\n

\u670d\u52a1\u5668\u4ee3\u7801\u5728\u8fd9\u91cc\uff1a<\/p>\n

package main\n\nimport (\n    \"fmt\"\n    \"net\"\n    \"os\"\n)\n\nfunc main() {\n    l, err := net.listen(\"tcp\", \"localhost:9765\")\n    if err != nil {\n        fmt.println(\"error listening:\", err.error())\n        os.exit(1)\n    }\n    defer l.close()\n    for {\n        conn, err := l.accept()\n        fmt.println(\"new connection...\")\n        if err != nil {\n            fmt.println(\"error accepting: \", err.error())\n            os.exit(1)\n        }\n        go handlerequest(conn)\n    }\n}\n\n\/\/ handler\nfunc handlerequest(conn net.conn) {\n    for {\n        buf := make([]byte, 512)\n        _, err := conn.read(buf)\n        if err != nil {\n            fmt.println(\"error reading:\", err.error())\n            conn.close()\n            break\n        }\n        fmt.printf(\"%s\", buf)\n        str := `http\/1.1 200 ok\nconnection: keep-alive\ncontent-length: 8\ncontent-type: application\/javascript\n\nalert(1)\n\n`\n        conn.write([]byte(str))\n    }\n}<\/pre>\n
\u6211\u5411\u672c\u5730 nginx \u9759\u6001\u670d\u52a1\u5668\u6dfb\u52a0\u4e86\u4e00\u4e2a\u6f14\u793a html\uff1a <\/p>\n
<head>\n    <meta charset=\"UTF-8\">\n    <script type=text\/javascript src=\"test.js\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/3\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/2\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/1\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/17\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/16\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/15\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/14\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/13\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/12\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/30\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/29\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/28\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/27\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/26\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/25\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/24\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/23\"><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/22><\/script>\n    <script type=text\/javascript src=\"http:\/\/localhost:9765\/21\"><\/script>\n<\/head>\n\n<body>\n<h1>loader\u6d4b\u8bd5\u9875\u9762<\/h1>\n<span>hello world<\/span>\n<\/body>\n\n<\/html><\/pre>\n
\u5f53\u7528chrome\u8bbf\u95ee\u8be5\u6587\u4ef6\u65f6\uff0c\u6211\u53d1\u73b0\u6240\u6709\u54cd\u5e94\u90fd\u6b63\u5e38\uff0c\u4f46tcp\u8fde\u63a5\u5728\u6bcf\u4e2ahttp\u8bf7\u6c42\u540e\u90fd\u5173\u95ed\u4e86\u3002 tcp \u53d1\u9001 http \u54cd\u5e94\u540e\u51fa\u73b0 eof \u9519\u8bef\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5982\u679c\u60a8\u5728\u6807\u5934\u4e2d\u53d1\u9001\u4e86\u9519\u8bef\u7684\u5185\u5bb9\u957f\u5ea6\uff0c\u6d4f\u89c8\u5668\u5c06\u6302\u8d77\uff08\u7b49\u5f85\u6c38\u8fdc\u4e0d\u4f1a\u51fa\u73b0\u7684\u5185\u5bb9\uff09\u6216\u5173\u95ed\u8fde\u63a5\uff08\u5f53\u5b83\u5728\u5185\u5bb9\u540e\u9762\u770b\u5230\u65e0\u6548\u7684\u5783\u573e\u65f6\uff09\u3002\u5b83\u8fd8\u53ef\u4ee5\u505a\u4ec0\u4e48\uff1f<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u679c\u5185\u5bb9\u957f\u5ea6\u9519\u8bef\uff0cChrome \u4f1a\u5173\u95ed tcp \u8fde\u63a5\u5417\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207304","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207304"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207304\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}