{"id":1603,"date":"2025-07-04T10:06:30","date_gmt":"2025-07-04T02:06:30","guid":{"rendered":"https:\/\/aichh.com\/?p=1603"},"modified":"2025-07-04T10:09:34","modified_gmt":"2025-07-04T02:09:34","slug":"windows-tcp-%e5%8f%82%e6%95%b0%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/aichh.com\/1603.html","title":{"rendered":"Windows TCP \u53c2\u6570\u4f18\u5316"},"content":{"rendered":"

Windows TCP \u53c2\u6570\u4f18\u5316\u6307\u5357<\/h2>\n

\u524d\u8a00 \u5728\u9ad8\u5e76\u53d1\u3001\u5927\u6d41\u91cf\u7684\u7f51\u7edc\u5e94\u7528\u573a\u666f\u4e0b,\u5408\u7406\u4f18\u5316 Windows \u7684 TCP \u53c2\u6570\u5bf9\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u548c\u7f51\u7edc\u541e\u5410\u91cf\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd Windows \u7cfb\u7edf\u4e0b\u7684 TCP \u53c2\u6570\u4f18\u5316\u65b9\u6848,\u5305\u62ec\u57fa\u7840\u53c2\u6570\u548c\u6269\u5c55\u53c2\u6570\u7684\u8c03\u4f18\u3002<\/p>\n

\n
## \u57fa\u7840\u53c2\u6570\u4f18\u5316\r\n### 1. TCPWindowSize\r\n- \u4f4d\u7f6e: `HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTCPIPParameters`\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 62420\r\n- \u8bf4\u660e: \u63a7\u5236 TCP \u7a97\u53e3\u5927\u5c0f,\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002\u4ee5\u592a\u7f51\u73af\u5883\u4e0b\u5efa\u8bae\u8bbe\u7f6e\u4e3a 1460 \u7684\u6700\u5927\u6574\u6570\u500d\u3002\r\n\r\n### 2. TCP1323Opts\u00a0\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\u00a0\u00a0\r\n- \u5efa\u8bae\u503c: 3\r\n- \u8bf4\u660e: \u63a7\u5236 TCP Window Scaling \u548c\u65f6\u95f4\u6233\r\n\u00a0 - 0: \u7981\u7528\u6240\u6709\u9009\u9879\r\n\u00a0 - 1: \u4ec5\u542f\u7528\u7a97\u53e3\u6269\u5c55\r\n\u00a0 - 2: \u4ec5\u542f\u7528\u65f6\u95f4\u6233\r\n\u00a0 - 3: \u540c\u65f6\u542f\u7528\u4e24\u8005\r\n\r\n### 3. TcpTimedWaitDelay\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 30\r\n- \u8bf4\u660e: \u63a7\u5236 TIME_WAIT \u72b6\u6001\u6301\u7eed\u65f6\u95f4,\u5355\u4f4d\u4e3a\u79d2\r\n\r\n### 4. MaxUserPort\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 65534\r\n- \u8bf4\u660e: \u7cfb\u7edf\u53ef\u7528\u7684\u6700\u5927\u7aef\u53e3\u53f7\r\n\r\n## \u6269\u5c55\u53c2\u6570\u4f18\u5316\r\n### 1. SynAttackProtect\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 1\r\n- \u8bf4\u660e: SYN \u653b\u51fb\u4fdd\u62a4\r\n\u00a0 - 0: \u7981\u7528\r\n\u00a0 - 1: \u542f\u7528\u90e8\u5206\u4fdd\u62a4\r\n\u00a0 - 2: \u542f\u7528\u5b8c\u5168\u4fdd\u62a4\r\n\r\n### 2. EnablePMTUDiscovery\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 1\r\n- \u8bf4\u660e: \u542f\u7528\u8def\u5f84 MTU \u53d1\u73b0,\u53ef\u4ee5\u4f18\u5316\u7f51\u7edc\u5305\u5927\u5c0f\r\n\r\n### 3. EnablePMTUBHDetect\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 1\r\n- \u8bf4\u660e: \u542f\u7528\u9ed1\u6d1e\u8def\u7531\u5668\u68c0\u6d4b\r\n\r\n### 4. SackOpts\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 1\r\n- \u8bf4\u660e: \u542f\u7528\u9009\u62e9\u6027\u786e\u8ba4(SACK),\u63d0\u9ad8\u91cd\u4f20\u6548\u7387\r\n\r\n### 5. DefaultTTL\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 64\r\n- \u8bf4\u660e: IP \u6570\u636e\u5305\u751f\u5b58\u65f6\u95f4\r\n\r\n### 6. TcpMaxDupAcks\r\n- \u4f4d\u7f6e: \u540c\u4e0a\r\n- \u7c7b\u578b: REG_DWORD\r\n- \u5efa\u8bae\u503c: 2\r\n- \u8bf4\u660e: \u89e6\u53d1\u5feb\u901f\u91cd\u4f20\u7684\u91cd\u590d ACK \u6570\u91cf\r\n\r\n## \u9ad8\u7ea7\u4f18\u5316\u53c2\u6570\r\n\r\n### 1. \u52a8\u6001\u540e\u5907\u961f\u5217\u8bbe\u7f6e\r\n```powershell\r\n# \u5728 HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesAFDParameters\r\nEnableDynamicBacklog\u00a0 \u00a0 = 1\r\nMinimumDynamicBacklog\u00a0 = 128\r\nMaximumDynamicBacklog\u00a0 = 2048\r\nDynamicBacklogGrowthDelta = 128\r\n\r\n# \u5728 HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTCPIPParameters\r\nMaxHashTableSize = 8192\r\nNumTcbTablePartitions = [\u5904\u7406\u5668\u6838\u5fc3\u6570 x 4]<\/pre>\n<\/div>\n
<\/div>\n
\n
\u6027\u80fd\u76d1\u63a7\u6307\u6807<\/h2>\n
\u4f18\u5316\u540e\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6307\u6807\u76d1\u63a7\u6548\u679c:<\/p>\n
    \n
  1. netstat -s \u67e5\u770b TCP \u7edf\u8ba1\u4fe1\u606f<\/li>\n
  2. Performance Monitor \u76d1\u63a7:\n
      \n
    • TCP Segments\/sec<\/li>\n
    • TCP Connections Active<\/li>\n
    • TCP Connections Reset<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
      \u6ce8\u610f\u4e8b\u9879<\/h2>\n
        \n
      1. \u4fee\u6539\u6ce8\u518c\u8868\u524d\u8bf7\u5148\u5907\u4efd<\/li>\n
      2. \u6240\u6709\u4fee\u6539\u90fd\u9700\u8981\u91cd\u542f\u7cfb\u7edf\u624d\u80fd\u751f\u6548<\/li>\n
      3. \u53c2\u6570\u8bbe\u7f6e\u9700\u8981\u6839\u636e\u5b9e\u9645\u73af\u5883\u8c03\u6574<\/li>\n
      4. \u5efa\u8bae\u5728\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\u540e\u518d\u5e94\u7528\u5230\u751f\u4ea7\u73af\u5883<\/li>\n<\/ol>\n
        \u9002\u7528\u573a\u666f<\/h2>\n
          \n
        • \u9ad8\u5e76\u53d1 Web \u670d\u52a1\u5668<\/li>\n
        • \u5927\u89c4\u6a21\u7f51\u7edc\u5e94\u7528<\/li>\n
        • \u6027\u80fd\u6d4b\u8bd5\u73af\u5883<\/li>\n
        • \u6570\u636e\u4f20\u8f93\u5bc6\u96c6\u578b\u5e94\u7528<\/li>\n<\/ul>\n
          \u603b\u7ed3<\/h2>\n
          TCP \u53c2\u6570\u4f18\u5316\u662f\u4e00\u4e2a\u7cfb\u7edf\u6027\u5de5\u7a0b,\u9700\u8981\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u548c\u7cfb\u7edf\u8d1f\u8f7d\u7279\u70b9\u6765\u8c03\u6574\u3002\u672c\u6587\u4ecb\u7ecd\u7684\u53c2\u6570\u8986\u76d6\u4e86\u57fa\u7840\u4f18\u5316\u3001\u5b89\u5168\u6027\u3001\u6027\u80fd\u63d0\u5347\u7b49\u591a\u4e2a\u65b9\u9762,\u53ef\u4ee5\u4f5c\u4e3a Windows \u7cfb\u7edf TCP \u4f18\u5316\u7684\u53c2\u8003\u6307\u5357\u3002\u5efa\u8bae\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8fdb\u884c\u5145\u5206\u6d4b\u8bd5,\u627e\u5230\u6700\u9002\u5408\u81ea\u5df1\u73af\u5883\u7684\u53c2\u6570\u7ec4\u5408\u3002<\/p>\n<\/div>\n
          <\/div>\n","protected":false},"excerpt":{"rendered":"Windows TCP \u53c2\u6570\u4f18\u5316\u6307\u5357 \u524d\u8a00 \u5728\u9ad8\u5e76\u53d1\u3001\u5927\u6d41\u91cf\u7684\u7f51\u7edc\u5e94\u7528\u573a\u666f\u4e0b,\u5408\u7406\u4f18\u5316 Windows \u7684 TCP \u53c2\u6570\u5bf9\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u548c\u7f51\u7edc\u541e\u5410\u91cf\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd Windows \u7cfb\u7edf\u4e0b\u7684 T \u00b7\u00b7\u00b7","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[153,35,423],"class_list":["post-1603","post","type-post","status-publish","format-standard","hentry","category-jiaocheng","tag-tcp","tag-windows","tag-423"],"views":97,"_links":{"self":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts\/1603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/comments?post=1603"}],"version-history":[{"count":3,"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts\/1603\/revisions"}],"predecessor-version":[{"id":1606,"href":"https:\/\/aichh.com\/api\/wp\/v2\/posts\/1603\/revisions\/1606"}],"wp:attachment":[{"href":"https:\/\/aichh.com\/api\/wp\/v2\/media?parent=1603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/categories?post=1603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aichh.com\/api\/wp\/v2\/tags?post=1603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}