{"id":56880,"date":"2025-03-01T09:13:51","date_gmt":"2025-03-01T01:13:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/56880\/"},"modified":"2025-03-01T09:13:51","modified_gmt":"2025-03-01T01:13:51","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8shadowsocks%e4%b8%ad%e5%ba%94%e7%94%a8sysctl%e5%80%bc%e4%bb%a5%e5%90%af%e7%94%a8tcp%e5%bf%ab%e9%80%9f%e6%89%93%e5%bc%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/56880\/","title":{"rendered":"\u5982\u4f55\u5728Shadowsocks\u4e2d\u5e94\u7528sysctl\u503c\u4ee5\u542f\u7528TCP\u5feb\u901f\u6253\u5f00"},"content":{"rendered":"<p>\u5728\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u4e2d\uff0cTCP\u5feb\u901f\u6253\u5f00\uff08TCP Fast Open\uff09\u4f5c\u4e3a\u4e00\u79cd\u4f18\u5316\u6280\u672f\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u8fde\u63a5\u5efa\u7acb\u7684\u901f\u5ea6\uff0c\u5c24\u5176\u5728\u4f7f\u7528\u4ee3\u7406\u5de5\u5177\u5982Shadowsocks\u65f6\u66f4\u4e3a\u660e\u663e\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5728Shadowsocks\u4e2d\u5e94\u7528sysctl\u503c\uff0c\u4ee5\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u529f\u80fd\u3002<\/p>\n<h2>\u4ec0\u4e48\u662fTCP\u5feb\u901f\u6253\u5f00\uff1f<\/h2>\n<p>TCP\u5feb\u901f\u6253\u5f00\uff08TCP Fast Open, TFO\uff09\u662f\u4e00\u79cd\u5728TCP\u534f\u8bae\u4e2d\u5b9e\u73b0\u7684\u6269\u5c55\uff0c\u65e8\u5728\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u3002\u5728\u6b63\u5e38\u7684TCP\u8fde\u63a5\u4e2d\uff0c\u6570\u636e\u7684\u4f20\u8f93\u9700\u8981\u7ecf\u8fc7\u4e09\u6b21\u63e1\u624b\uff0c\u800c\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u540e\uff0c\u53ef\u4ee5\u5728\u63e1\u624b\u8fc7\u7a0b\u4e2d\u5373\u5f00\u59cb\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u7f29\u77ed\u8fde\u63a5\u65f6\u95f4\u3002<\/p>\n<h3>TCP\u5feb\u901f\u6253\u5f00\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li><strong>\u51cf\u5c11\u5ef6\u8fdf<\/strong>\uff1a\u7f29\u77ed\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4\uff0c\u5c24\u5176\u9002\u5408\u77ed\u8fde\u63a5\u7684\u573a\u666f\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd<\/strong>\uff1a\u6539\u5584\u7528\u6237\u4f53\u9a8c\uff0c\u7279\u522b\u662f\u5728\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u3002<\/li>\n<li><strong>\u66f4\u9ad8\u7684\u541e\u5410\u91cf<\/strong>\uff1a\u5141\u8bb8\u5728\u8fde\u63a5\u7684\u521d\u59cb\u9636\u6bb5\u5c31\u53d1\u9001\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2>\u5728Shadowsocks\u4e2d\u542f\u7528TCP\u5feb\u901f\u6253\u5f00<\/h2>\n<p>\u8981\u5728Shadowsocks\u4e2d\u5e94\u7528sysctl\u503c\u4ee5\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\uff0c\u7528\u6237\u9700\u8981\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\uff1a<\/p>\n<h3>\u6b65\u9aa4\u4e00\uff1a\u68c0\u67e5\u7cfb\u7edf\u652f\u6301<\/h3>\n<p>\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u7684Linux\u7cfb\u7edf\u652f\u6301TCP\u5feb\u901f\u6253\u5f00\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\uff1a bash cat \/proc\/sys\/net\/ipv4\/tcp_fastopen<\/p>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u4e3a0\uff0c\u8bf4\u660e\u672a\u542f\u7528\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8bbe\u7f6e\u4e3a3\u8868\u793a\u5141\u8bb8\u6240\u6709\u7684TCP\u8fde\u63a5\u4f7f\u7528\u5feb\u901f\u6253\u5f00\u3002<\/p>\n<h3>\u6b65\u9aa4\u4e8c\uff1a\u4fee\u6539sysctl\u914d\u7f6e<\/h3>\n<p>\u8981\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\uff0c\u9700\u4fee\u6539\u7cfb\u7edf\u7684sysctl\u914d\u7f6e\u3002\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6253\u5f00sysctl\u914d\u7f6e\u6587\u4ef6\uff1a bash sudo nano \/etc\/sysctl.conf<\/p>\n<p>\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a bash net.ipv4.tcp_fastopen = 3<\/p>\n<p>\u4fdd\u5b58\u5e76\u9000\u51fa\u540e\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u4fee\u6539\u751f\u6548\uff1a bash sudo sysctl -p<\/p>\n<h3>\u6b65\u9aa4\u4e09\uff1a\u91cd\u542fShadowsocks\u670d\u52a1<\/h3>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u9700\u8981\u91cd\u542fShadowsocks\u670d\u52a1\uff0c\u4ee5\u786e\u4fdd\u65b0\u8bbe\u7f6e\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542fShadowsocks\uff1a bash sudo systemctl restart shadowsocks-libev<\/p>\n<h2>\u9a8c\u8bc1TCP\u5feb\u901f\u6253\u5f00\u662f\u5426\u751f\u6548<\/h2>\n<p>\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1TCP\u5feb\u901f\u6253\u5f00\u662f\u5426\u5df2\u7ecf\u6210\u529f\u542f\u7528\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528tcpdump\u547d\u4ee4\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305\uff0c\u67e5\u770b\u662f\u5426\u5305\u542bTFO\u7684\u6807\u5fd7\u3002<\/li>\n<li>\u4f7f\u7528\u67d0\u4e9b\u5de5\u5177\u6216\u811a\u672c\u6d4b\u8bd5\u8fde\u63a5\u5ef6\u8fdf\uff0c\u786e\u8ba4\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4\u662f\u5426\u6709\u6240\u7f29\u77ed\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff08FAQ\uff09<\/h2>\n<h3>1. TCP\u5feb\u901f\u6253\u5f00\u5bf9\u6211\u7684\u7f51\u7edc\u8fde\u63a5\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/h3>\n<p>\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u540e\uff0c\u7f51\u7edc\u8fde\u63a5\u5efa\u7acb\u901f\u5ea6\u5c06\u663e\u8457\u63d0\u9ad8\uff0c\u7279\u522b\u662f\u5728\u8fde\u63a5\u9891\u7e41\u7684\u60c5\u51b5\u4e0b\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u5e94\u7528\u6027\u80fd\u3002<\/p>\n<h3>2. \u6240\u6709\u7684Linux\u53d1\u884c\u7248\u90fd\u652f\u6301TCP\u5feb\u901f\u6253\u5f00\u5417\uff1f<\/h3>\n<p>\u5927\u591a\u6570\u73b0\u4ee3\u7684Linux\u53d1\u884c\u7248\uff08\u5982Ubuntu, CentOS, Debian\u7b49\uff09\u90fd\u652f\u6301TCP\u5feb\u901f\u6253\u5f00\uff0c\u4f46\u53ef\u80fd\u9700\u8981\u66f4\u65b0\u5230\u8f83\u65b0\u7684\u5185\u6838\u7248\u672c\u3002<\/p>\n<h3>3. \u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u4f1a\u5f71\u54cd\u5b89\u5168\u6027\u5417\uff1f<\/h3>\n<p>TCP\u5feb\u901f\u6253\u5f00\u672c\u8eab\u5e76\u4e0d\u589e\u52a0\u5b89\u5168\u98ce\u9669\uff0c\u4f46\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u5efa\u8bae\u5728\u542f\u7528\u524d\u4ed4\u7ec6\u8bc4\u4f30\u6f5c\u5728\u5f71\u54cd\u3002<\/p>\n<h3>4. \u5982\u4f55\u5728\u9632\u706b\u5899\u4e0a\u914d\u7f6eTCP\u5feb\u901f\u6253\u5f00\uff1f<\/h3>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u4e0d\u9700\u8981\u7279\u5b9a\u7684\u9632\u706b\u5899\u914d\u7f6e\uff0c\u4f46\u786e\u4fddTCP\u6d41\u91cf\u672a\u88ab\u963b\u585e\u3002<\/p>\n<h3>5. \u53ea\u9488\u5bf9\u7279\u5b9a\u5e94\u7528\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u53ef\u4ee5\u5417\uff1f<\/h3>\n<p>\u4e0d\u53ef\u4ee5\uff0cTCP\u5feb\u901f\u6253\u5f00\u662f\u4e00\u9879\u5168\u5c40\u7684TCP\u534f\u8bae\u8bbe\u7f6e\uff0c\u9002\u7528\u4e8e\u6240\u6709\u4f7f\u7528TCP\u534f\u8bae\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u53ef\u4ee5\u663e\u8457\u63d0\u5347Shadowsocks\u7684\u8fde\u63a5\u6027\u80fd\uff0c\u4f7f\u7528\u6237\u5728\u7f51\u7edc\u8bbf\u95ee\u65f6\u611f\u53d7\u5230\u66f4\u5feb\u7684\u901f\u5ea6\u548c\u66f4\u4f4e\u7684\u5ef6\u8fdf\u3002\u901a\u8fc7\u672c\u7bc7\u6587\u7ae0\u7684\u6307\u5bfc\uff0c\u76f8\u4fe1\u60a8\u80fd\u591f\u987a\u5229\u5b8c\u6210\u914d\u7f6e\uff0c\u4eab\u53d7\u66f4\u6d41\u7545\u7684\u7f51\u7edc\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u4e2d\uff0cTCP\u5feb\u901f\u6253\u5f00\uff08TCP Fast Open\uff09\u4f5c\u4e3a\u4e00\u79cd\u4f18\u5316\u6280\u672f\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u8fde\u63a5\u5efa\u7acb\u7684\u901f\u5ea6\uff0c\u5c24\u5176\u5728\u4f7f\u7528\u4ee3\u7406\u5de5\u5177\u5982Shadowsocks\u65f6\u66f4\u4e3a\u660e\u663e\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5728Shadowsocks\u4e2d\u5e94\u7528sysctl\u503c\uff0c\u4ee5\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u529f\u80fd\u3002 \u4ec0\u4e48\u662fTCP\u5feb\u901f\u6253\u5f00\uff1f TCP\u5feb\u901f\u6253\u5f00\uff08TCP Fast Open, TFO\uff09\u662f\u4e00\u79cd\u5728TCP\u534f\u8bae\u4e2d\u5b9e\u73b0\u7684\u6269\u5c55\uff0c\u65e8\u5728\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u3002\u5728\u6b63\u5e38\u7684TCP\u8fde\u63a5\u4e2d\uff0c\u6570\u636e\u7684\u4f20\u8f93\u9700\u8981\u7ecf\u8fc7\u4e09\u6b21\u63e1\u624b\uff0c\u800c\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u540e\uff0c\u53ef\u4ee5\u5728\u63e1\u624b\u8fc7\u7a0b\u4e2d\u5373\u5f00\u59cb\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u7f29\u77ed\u8fde\u63a5\u65f6\u95f4\u3002 TCP\u5feb\u901f\u6253\u5f00\u7684\u4f18\u52bf \u51cf\u5c11\u5ef6\u8fdf\uff1a\u7f29\u77ed\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4\uff0c\u5c24\u5176\u9002\u5408\u77ed\u8fde\u63a5\u7684\u573a\u666f\u3002 \u63d0\u9ad8\u6027\u80fd\uff1a\u6539\u5584\u7528\u6237\u4f53\u9a8c\uff0c\u7279\u522b\u662f\u5728\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u3002 \u66f4\u9ad8\u7684\u541e\u5410\u91cf\uff1a\u5141\u8bb8\u5728\u8fde\u63a5\u7684\u521d\u59cb\u9636\u6bb5\u5c31\u53d1\u9001\u6570\u636e\u3002 \u5728Shadowsocks\u4e2d\u542f\u7528TCP\u5feb\u901f\u6253\u5f00 \u8981\u5728Shadowsocks\u4e2d\u5e94\u7528sysctl\u503c\u4ee5\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\uff0c\u7528\u6237\u9700\u8981\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\uff1a \u6b65\u9aa4\u4e00\uff1a\u68c0\u67e5\u7cfb\u7edf\u652f\u6301 \u9996\u5148\uff0c\u786e\u4fdd\u4f60\u7684Linux\u7cfb\u7edf\u652f\u6301TCP\u5feb\u901f\u6253\u5f00\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\uff1a bash cat \/proc\/sys\/net\/ipv4\/tcp_fastopen \u5982\u679c\u8fd4\u56de\u503c\u4e3a0\uff0c\u8bf4\u660e\u672a\u542f\u7528\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8bbe\u7f6e\u4e3a3\u8868\u793a\u5141\u8bb8\u6240\u6709\u7684TCP\u8fde\u63a5\u4f7f\u7528\u5feb\u901f\u6253\u5f00\u3002 \u6b65\u9aa4\u4e8c\uff1a\u4fee\u6539sysctl\u914d\u7f6e \u8981\u542f\u7528TCP\u5feb\u901f\u6253\u5f00\uff0c\u9700\u4fee\u6539\u7cfb\u7edf\u7684sysctl\u914d\u7f6e\u3002\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6253\u5f00sysctl\u914d\u7f6e\u6587\u4ef6\uff1a bash sudo nano \/etc\/sysctl.conf \u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a bash net.ipv4.tcp_fastopen = 3 \u4fdd\u5b58\u5e76\u9000\u51fa\u540e\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u4fee\u6539\u751f\u6548\uff1a bash sudo sysctl -p \u6b65\u9aa4\u4e09\uff1a\u91cd\u542fShadowsocks\u670d\u52a1 \u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u9700\u8981\u91cd\u542fShadowsocks\u670d\u52a1\uff0c\u4ee5\u786e\u4fdd\u65b0\u8bbe\u7f6e\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542fShadowsocks\uff1a bash sudo systemctl restart shadowsocks-libev \u9a8c\u8bc1TCP\u5feb\u901f\u6253\u5f00\u662f\u5426\u751f\u6548 \u5b8c\u6210\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1TCP\u5feb\u901f\u6253\u5f00\u662f\u5426\u5df2\u7ecf\u6210\u529f\u542f\u7528\uff1a \u4f7f\u7528tcpdump\u547d\u4ee4\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305\uff0c\u67e5\u770b\u662f\u5426\u5305\u542bTFO\u7684\u6807\u5fd7\u3002 \u4f7f\u7528\u67d0\u4e9b\u5de5\u5177\u6216\u811a\u672c\u6d4b\u8bd5\u8fde\u63a5\u5ef6\u8fdf\uff0c\u786e\u8ba4\u8fde\u63a5\u5efa\u7acb\u65f6\u95f4\u662f\u5426\u6709\u6240\u7f29\u77ed\u3002 \u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff08FAQ\uff09 1. TCP\u5feb\u901f\u6253\u5f00\u5bf9\u6211\u7684\u7f51\u7edc\u8fde\u63a5\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f \u542f\u7528TCP\u5feb\u901f\u6253\u5f00\u540e\uff0c\u7f51\u7edc\u8fde\u63a5\u5efa\u7acb\u901f\u5ea6\u5c06\u663e\u8457\u63d0\u9ad8\uff0c\u7279\u522b\u662f\u5728\u8fde\u63a5\u9891\u7e41\u7684\u60c5\u51b5\u4e0b\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u5e94\u7528\u6027\u80fd\u3002 2. \u6240\u6709\u7684Linux\u53d1\u884c\u7248\u90fd\u652f\u6301TCP\u5feb\u901f\u6253\u5f00\u5417\uff1f \u5927\u591a\u6570\u73b0\u4ee3\u7684Linux\u53d1\u884c\u7248\uff08\u5982Ubuntu, CentOS, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-56880","post","type-post","status-publish","format-standard","hentry","category-vpn"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/56880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=56880"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/56880\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=56880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=56880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=56880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}