{"id":1439,"date":"2026-05-23T22:24:30","date_gmt":"2026-05-23T14:24:30","guid":{"rendered":"https:\/\/www.ygcloud.com\/knowledge\/?p=1439"},"modified":"2026-08-07T14:27:00","modified_gmt":"2026-08-07T06:27:00","slug":"%e8%bf%9e%e6%8e%a5%e4%b8%8d%e4%b8%8avps%e5%8f%af%e8%83%bd%e6%98%af%e6%9c%ac%e5%9c%b0%e4%bb%a3%e7%90%86%e9%97%ae%e9%a2%98%ef%bc%9f%e5%85%b3%e9%97%advpn%e5%90%8e%e5%86%8d%e6%b5%8b%e8%af%95%e6%9c%8d","status":"publish","type":"post","link":"https:\/\/www.ygcloud.com\/knowledge\/1439\/","title":{"rendered":"VPN\u6216\u4ee3\u7406\u5bfc\u81f4VPS\u8fde\u4e0d\u4e0a\uff1f\u672c\u5730\u8def\u7531\u3001DNS\u4e0e\u51fa\u53e3\u6392\u67e5"},"content":{"rendered":"<section data-seo-update=\"20260724-1439\">\n<p><strong>\u5148\u7ed9\u7ed3\u8bba\uff1a<\/strong>VPN \u6216\u4ee3\u7406\u53ef\u80fd\u8ba9 VPS \u8fde\u63a5\u8d70\u4e0d\u540c\u51fa\u53e3\u3001\u8def\u7531\u3001DNS \u6216\u534f\u8bae\u4ee3\u7406\uff0c\u4f46\u201c\u6682\u505c VPN \u540e\u80fd\u8fde\u4e0a\u201d\u53ea\u80fd\u8bc1\u660e\u4e24\u79cd\u7f51\u7edc\u8def\u5f84\u4e0d\u540c\uff0c\u4e0d\u80fd\u76f4\u63a5\u8bc1\u660e VPN \u8f6f\u4ef6\u6545\u969c\u3002\u6b63\u786e\u505a\u6cd5\u662f\u7528\u540c\u4e00\u4e2a\u76ee\u6807\u3001\u7aef\u53e3\u548c\u5ba2\u6237\u7aef\u505a A\/B \u6d4b\u8bd5\uff0c\u8bb0\u5f55\u51fa\u53e3 IP\u3001DNS \u7ed3\u679c\u3001\u8def\u7531\u548c TCP \u7ed3\u679c\uff1b\u4f01\u4e1a VPN\u3001\u96f6\u4fe1\u4efb\u6216\u516c\u53f8\u4ee3\u7406\u4e0d\u8981\u64c5\u81ea\u5173\u95ed\uff0c\u5e94\u8ba9\u7f51\u7edc\u7ba1\u7406\u5458\u8c03\u6574\u6388\u6743\u7b56\u7565\u3002<\/p>\n<figure>\n<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/05\/c30b8993335db80-1.jpg\" alt=\"VPN\u4ee3\u7406\u5f71\u54cdVPS\u8fde\u63a5\u7684\u672c\u5730\u7f51\u7edc\u6392\u67e5\" width=\"600\" height=\"335\" \/><figcaption>\u4ee3\u7406\u3001VPN\u3001DNS\u548c\u7cfb\u7edf\u8def\u7531\u662f\u4e0d\u540c\u5c42\uff0c\u5148\u786e\u5b9a\u5b9e\u9645\u6d41\u91cf\u8d70\u4e86\u54ea\u6761\u8def\u5f84\u3002<\/figcaption><\/figure>\n<h2>VPN\u3001\u7cfb\u7edf\u4ee3\u7406\u548c\u5e94\u7528\u4ee3\u7406\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u901a\u5e38\u5f71\u54cd<\/th>\n<th>\u4e0d\u4e00\u5b9a\u5f71\u54cd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5168\u96a7\u9053 VPN<\/td>\n<td>\u9ed8\u8ba4\u8def\u7531\u3001\u51fa\u53e3 IP\u3001DNS\uff0c\u53ef\u80fd\u5f71\u54cd\u6240\u6709\u534f\u8bae<\/td>\n<td>\u660e\u786e\u6392\u9664\u7684\u672c\u5730\u6216\u53d7\u63a7\u8def\u7531<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u6d41 VPN<\/td>\n<td>\u53ea\u63a5\u7ba1\u6307\u5b9a\u7f51\u6bb5\u3001\u57df\u540d\u6216\u5e94\u7528<\/td>\n<td>\u672a\u547d\u4e2d\u89c4\u5219\u7684\u6d41\u91cf<\/td>\n<\/tr>\n<tr>\n<td>HTTP\/HTTPS \u4ee3\u7406<\/td>\n<td>\u6d4f\u89c8\u5668\u3001curl \u548c\u4f7f\u7528\u7cfb\u7edf\u4ee3\u7406\u7684\u5e94\u7528<\/td>\n<td>\u6807\u51c6 SSH\/RDP\uff0c\u9664\u975e\u53e6\u6709\u4ee3\u7406\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>SOCKS\/\u5e94\u7528\u4ee3\u7406<\/td>\n<td>\u663e\u5f0f\u914d\u7f6e\u8be5\u4ee3\u7406\u7684\u5ba2\u6237\u7aef\u6216\u900f\u660e\u63a5\u7ba1\u6d41\u91cf<\/td>\n<td>\u672a\u4f7f\u7528\u8be5\u5ba2\u6237\u7aef\/\u89c4\u5219\u7684\u5e94\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u96f6\u4fe1\u4efb\u63a5\u5165<\/td>\n<td>\u8eab\u4efd\u3001\u8bbe\u5907\u3001\u76ee\u7684\u5730\u548c\u7b56\u7565\u5171\u540c\u51b3\u5b9a\u8bbf\u95ee<\/td>\n<td>\u4e0d\u80fd\u6309\u4e2a\u4eba\u4ee3\u7406\u5de5\u5177\u7684\u65b9\u5f0f\u968f\u610f\u7ed5\u8fc7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u65e7\u6559\u7a0b\u5e38\u628a\u6d4f\u89c8\u5668\u4ee3\u7406\u3001\u73af\u5883\u53d8\u91cf\u548c SSH \u6df7\u4e3a\u4e00\u8c08\u3002curl \u5b98\u65b9\u6587\u6863\u8bf4\u660e <code>HTTP_PROXY<\/code>\u3001<code>HTTPS_PROXY<\/code>\u3001<code>ALL_PROXY<\/code> \u548c <code>NO_PROXY<\/code>\u662f curl \u652f\u6301\u7684\u4ee3\u7406\u73af\u5883\u53d8\u91cf\uff1b\u6807\u51c6 OpenSSH \u4e0d\u4f1a\u56e0\u4e3a\u8bbe\u7f6e <code>NO_PROXY<\/code> \u5c31\u81ea\u52a8\u7ed5\u8fc7\u4ee3\u7406\u3002SSH \u662f\u5426\u8d70\u4ee3\u7406\u8981\u68c0\u67e5 <code>ProxyCommand<\/code>\u3001<code>ProxyJump<\/code>\u3001\u5ba2\u6237\u7aef\u63d2\u4ef6\u6216\u900f\u660e VPN \u8def\u7531\u3002<\/p>\n<h2>\u5148\u8bb0\u5f55\u73b0\u8c61\uff0c\u4e0d\u8981\u4e00\u4e0a\u6765\u6e05\u7f13\u5b58<\/h2>\n<p>\u8bb0\u5f55\u76ee\u6807\u57df\u540d\/IP\u3001\u7aef\u53e3\u3001\u5ba2\u6237\u7aef\u3001\u65f6\u95f4\u548c\u5177\u4f53\u62a5\u9519\uff1a<\/p>\n<ul>\n<li><strong>timeout\uff1a<\/strong>\u53ef\u80fd\u662f\u8def\u7531\u3001\u5b89\u5168\u7ec4\u3001VPN ACL\u3001\u4e22\u5305\u6216\u56de\u7a0b\uff1b<\/li>\n<li><strong>connection refused\uff1a<\/strong>\u901a\u5e38\u5df2\u5230\u8fbe\u67d0\u4e2a\u4e3b\u673a\uff0c\u4f46\u7aef\u53e3\u6ca1\u6709\u76d1\u542c\u6216\u88ab\u4e3b\u52a8\u62d2\u7edd\uff1b<\/li>\n<li><strong>host key changed\uff1a<\/strong>\u662f SSH \u8eab\u4efd\u6821\u9a8c\u95ee\u9898\uff0c\u4e0d\u5e94\u901a\u8fc7\u5173\u95ed VPN \u6216\u76f2\u5220\u8bb0\u5f55\u89e3\u51b3\uff1b<\/li>\n<li><strong>DNS \u89e3\u6790\u9519\u8bef\uff1a<\/strong>\u7528 IP \u80fd\u8fde\u3001\u57df\u540d\u4e0d\u80fd\u8fde\u65f6\u518d\u67e5 DNS\uff1b<\/li>\n<li><strong>\u8ba4\u8bc1\u5931\u8d25\uff1a<\/strong>\u7f51\u7edc\u8fde\u63a5\u53ef\u80fd\u5df2\u5efa\u7acb\uff0c\u5e94\u8f6c\u67e5\u8d26\u53f7\u3001\u5bc6\u94a5\u3001NLA \u6216\u6743\u9650\u3002<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u7aef\u53e3\u548c\u76d1\u542c\u7684\u5b8c\u6574\u6392\u67e5\u89c1<a href=\"https:\/\/www.ygcloud.com\/knowledge\/1368\/\">\u670d\u52a1\u5668\u7aef\u53e3\u4e0d\u901a\u5206\u5c42\u6392\u67e5<\/a>\uff1b\u6574\u53f0\u5b9e\u4f8b IP \u4e0d\u53ef\u8fbe\u65f6\u53c2\u8003<a href=\"https:\/\/www.ygcloud.com\/knowledge\/143\/\">\u4e91\u670d\u52a1\u5668 IP \u8fde\u63a5\u4e0d\u4e0a\u6392\u67e5<\/a>\u3002<\/p>\n<h2>\u505a\u4e00\u7ec4\u53ef\u6bd4\u8f83\u7684 A\/B \u6d4b\u8bd5<\/h2>\n<p>\u5728\u6709\u6743\u9650\u4e14\u4e0d\u4f1a\u8fdd\u53cd\u516c\u53f8\u5b89\u5168\u7b56\u7565\u7684\u524d\u63d0\u4e0b\uff0c\u5206\u522b\u5728\u201c\u539f\u7f51\u7edc\u201d\u548c\u201c\u66ff\u4ee3\u7f51\u7edc\u8def\u5f84\u201d\u6267\u884c\u540c\u4e00\u7ec4\u6d4b\u8bd5\u3002\u66ff\u4ee3\u8def\u5f84\u53ef\u4ee5\u662f\u7ba1\u7406\u5458\u6279\u51c6\u7684 VPN \u6682\u505c\u3001\u53e6\u4e00\u4e2a VPN \u914d\u7f6e\u3001\u624b\u673a\u70ed\u70b9\u6216\u53e6\u4e00\u53f0\u53d7\u7ba1\u8bbe\u5907\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8bb0\u5f55\u9879<\/th>\n<th>\u8def\u5f84 A<\/th>\n<th>\u8def\u5f84 B<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u76ee\u6807\u57df\u540d\u89e3\u6790\u7ed3\u679c<\/td>\n<td>IP\/AAAA<\/td>\n<td>IP\/AAAA<\/td>\n<\/tr>\n<tr>\n<td>\u516c\u7f51\u51fa\u53e3 IP<\/td>\n<td>\u5730\u5740\/\u8fd0\u8425\u5546<\/td>\n<td>\u5730\u5740\/\u8fd0\u8425\u5546<\/td>\n<\/tr>\n<tr>\n<td>\u76ee\u6807 TCP \u7aef\u53e3<\/td>\n<td>\u6210\u529f\/\u8d85\u65f6\/\u62d2\u7edd<\/td>\n<td>\u6210\u529f\/\u8d85\u65f6\/\u62d2\u7edd<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u9645\u8def\u7531\u63a5\u53e3<\/td>\n<td>\u63a5\u53e3\/\u7f51\u5173<\/td>\n<td>\u63a5\u53e3\/\u7f51\u5173<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528\u8be6\u7ec6\u65e5\u5fd7<\/td>\n<td>\u5173\u952e\u62a5\u9519<\/td>\n<td>\u5173\u952e\u62a5\u9519<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u53ea\u6709\u4e00\u4e2a\u53d8\u91cf\u53d1\u751f\u53d8\u5316\uff0c\u7ed3\u8bba\u624d\u6709\u610f\u4e49\u3002\u5982\u679c\u540c\u65f6\u6362\u7f51\u7edc\u3001\u6539 DNS\u3001\u6e05\u7f13\u5b58\u3001\u91cd\u542f\u670d\u52a1\u5668\u548c\u4fee\u6539\u5b89\u5168\u7ec4\uff0c\u5c31\u65e0\u6cd5\u77e5\u9053\u54ea\u4e00\u6b65\u6709\u6548\u3002<\/p>\n<h2>Windows \u600e\u4e48\u68c0\u67e5\uff1f<\/h2>\n<pre><code>Resolve-DnsName server.example.com\nTest-NetConnection server.example.com -Port 22 -InformationLevel Detailed\nGet-NetRoute -AddressFamily IPv4 | Sort-Object RouteMetric\nnetsh winhttp show proxy\nGet-ChildItem Env: | Where-Object Name -Match 'PROXY'<\/code><\/pre>\n<p><a href=\"https:\/\/learn.microsoft.com\/en-us\/powershell\/module\/nettcpip\/test-netconnection\">Microsoft Test-NetConnection \u6587\u6863<\/a>\u8bf4\u660e\u5b83\u53ef\u4ee5\u663e\u793a TCP \u4e0e\u8def\u7531\u8bca\u65ad\u4fe1\u606f\u3002<code>netsh winhttp show proxy<\/code>\u53ea\u663e\u793a WinHTTP \u4ee3\u7406\uff0c\u4e0d\u4ee3\u8868\u6d4f\u89c8\u5668\u3001SSH \u548c\u6240\u6709\u5e94\u7528\u90fd\u4f7f\u7528\u540c\u4e00\u8bbe\u7f6e\u3002<\/p>\n<p>\u5982\u679c\u4f7f\u7528 RDP\uff0c\u518d\u6d4b\u8bd5 3389 \u6216\u5b9e\u9645\u7aef\u53e3\uff0c\u5e76\u68c0\u67e5\u5ba2\u6237\u7aef\u662f\u5426\u542f\u7528 RD Gateway\u3002\u8be6\u7ec6\u8fde\u63a5\u6d41\u7a0b\u89c1<a href=\"https:\/\/www.ygcloud.com\/knowledge\/260\/\">RDP \u8fde\u63a5\u4e0e\u5b89\u5168\u8bbe\u7f6e<\/a>\u3002<\/p>\n<h2>macOS \u600e\u4e48\u68c0\u67e5\uff1f<\/h2>\n<pre><code>scutil --dns\nscutil --proxy\nroute -n get SERVER_IP\nnc -vz SERVER_IP 22\nssh -vvv user@SERVER_IP<\/code><\/pre>\n<p>Apple \u7684<a href=\"https:\/\/support.apple.com\/en-gb\/guide\/mac-help\/mchlp2591\/mac\">\u4ee3\u7406\u8bbe\u7f6e\u6587\u6863<\/a>\u533a\u5206\u81ea\u52a8\u4ee3\u7406\u3001PAC\u3001HTTP\/HTTPS \u548c SOCKS \u4ee3\u7406\u3002<code>scutil --proxy<\/code>\u7528\u4e8e\u67e5\u770b\u7cfb\u7edf\u914d\u7f6e\uff1bVPN \u8def\u7531\u4ecd\u8981\u901a\u8fc7 <code>route<\/code> \u6216\u5b9e\u9645\u8fde\u63a5\u7ed3\u679c\u5224\u65ad\u3002<\/p>\n<h2>Linux \u600e\u4e48\u68c0\u67e5\uff1f<\/h2>\n<pre><code>getent ahosts server.example.com\nip route get SERVER_IP\nenv | grep -i '_proxy'\nnc -vz SERVER_IP 22\nssh -G server.example.com | grep -Ei 'proxy|hostname|port'\nssh -vvv user@server.example.com<\/code><\/pre>\n<p><code>ssh -G<\/code>\u8f93\u51fa\u6700\u7ec8\u751f\u6548\u914d\u7f6e\uff0c\u53ef\u53d1\u73b0 <code>ProxyJump<\/code>\u3001<code>ProxyCommand<\/code>\u3001\u7aef\u53e3\u548c\u522b\u540d\u3002\u73af\u5883\u53d8\u91cf\u4e3b\u8981\u5f71\u54cd\u9075\u5faa\u8fd9\u4e9b\u53d8\u91cf\u7684 HTTP \u5ba2\u6237\u7aef\uff1b\u8981\u9a8c\u8bc1 curl \u662f\u5426\u7ed5\u8fc7\u4ee3\u7406\uff0c\u53ef\u663e\u5f0f\u4f7f\u7528 <code>--noproxy<\/code> \u505a\u53d7\u63a7\u6d4b\u8bd5\uff0c\u800c\u4e0d\u662f\u5047\u8bbe\u5b83\u4f1a\u6539\u53d8 SSH\u3002<\/p>\n<figure>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-147\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2023\/11\/16620637e89a01f.png\" alt=\"VPS\u76ee\u6807IP\u7aef\u53e3\u8def\u7531\u548c\u5ba2\u6237\u7aef\u9010\u5c42\u68c0\u67e5\" width=\"600\" height=\"544\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2023\/11\/16620637e89a01f.png 1246w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2023\/11\/16620637e89a01f-300x272.png 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2023\/11\/16620637e89a01f-1024x929.png 1024w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2023\/11\/16620637e89a01f-768x697.png 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>\u628a\u5ba2\u6237\u7aef\u3001\u51fa\u53e3\u3001\u8def\u7531\u3001\u4e91\u5b89\u5168\u7ec4\u548c\u670d\u52a1\u5668\u76d1\u542c\u5206\u5f00\u9a8c\u8bc1\u3002<\/figcaption><\/figure>\n<h2>\u6700\u5e38\u89c1\u7684 6 \u4e2a\u6839\u56e0<\/h2>\n<h3>1. \u51fa\u53e3 IP \u53d8\u5316\uff0c\u5b89\u5168\u7ec4\u767d\u540d\u5355\u672a\u66f4\u65b0<\/h3>\n<p>\u8fde\u63a5 VPN \u540e\uff0c\u670d\u52a1\u5668\u770b\u5230\u7684\u662f VPN \u51fa\u53e3\u5730\u5740\u3002\u82e5 SSH\/RDP \u53ea\u5141\u8bb8\u529e\u516c\u516c\u7f51 IP\uff0c\u5c31\u4f1a\u88ab\u62d2\u7edd\u3002\u6b63\u786e\u505a\u6cd5\u662f\u8ba9\u7ba1\u7406\u5458\u6279\u51c6\u56fa\u5b9a VPN \u51fa\u53e3\u5e76\u52a0\u5165\u6700\u5c0f\u767d\u540d\u5355\uff0c\u4e0d\u8981\u4e3a\u4e86\u7701\u4e8b\u628a\u7ba1\u7406\u7aef\u53e3\u5bf9\u5168\u7f51\u5f00\u653e\u3002\u5b89\u5168\u7ec4\u65b9\u6cd5\u89c1<a href=\"https:\/\/www.ygcloud.com\/knowledge\/1434\/\">VPS \u5b89\u5168\u7ec4\u8bbe\u7f6e<\/a>\u3002<\/p>\n<h3>2. VPN \u6ce8\u5165\u4e86\u66f4\u4f18\u5148\u7684\u9ed8\u8ba4\u8def\u7531<\/h3>\n<p>\u5168\u96a7\u9053 VPN \u53ef\u80fd\u8ba9\u76ee\u6807\u6d41\u91cf\u7ed5\u5230\u53e6\u4e00\u4e2a\u5730\u533a\uff0c\u6216\u4e0e\u76ee\u6807\u79c1\u7f51\u7f51\u6bb5\u91cd\u53e0\u3002\u5bf9\u6bd4 <code>ip route get<\/code>\u3001<code>route -n get<\/code> \u6216 Windows \u8def\u7531\u4fe1\u606f\uff0c\u786e\u8ba4\u63a5\u53e3\u548c\u4e0b\u4e00\u8df3\u3002\u7531\u7f51\u7edc\u7ba1\u7406\u5458\u6dfb\u52a0\u7cbe\u786e\u8def\u7531\u6216\u62c6\u5206\u5730\u5740\u51b2\u7a81\u3002<\/p>\n<h3>3. \u5206\u6d41\u89c4\u5219\u53ea\u5339\u914d\u57df\u540d\u6216\u53ea\u5339\u914d IPv4<\/h3>\n<p>\u76ee\u6807\u57df\u540d\u540c\u65f6\u6709 A \u548c AAAA\u3001\u5e94\u7528\u6539\u7528\u65b0\u57df\u540d\u3001\u6216\u89c4\u5219\u53ea\u8986\u76d6\u4e00\u4e2a\u5730\u5740\u65f6\uff0c\u5b9e\u9645\u8def\u5f84\u4f1a\u53d8\u5316\u3002\u5206\u522b\u8bb0\u5f55 IPv4\/IPv6 \u89e3\u6790\u548c\u8fde\u63a5\uff0c\u4e0d\u8981\u4ec5\u9760 Ping\u3002<\/p>\n<h3>4. \u5e94\u7528\u81ea\u8eab\u8bbe\u7f6e\u4e86\u4ee3\u7406<\/h3>\n<p>\u6d4f\u89c8\u5668\u3001IDE\u3001\u7ec8\u7aef\u63d2\u4ef6\u3001curl\u3001Git \u548c SSH \u53ef\u4ee5\u5404\u81ea\u6709\u4ee3\u7406\u3002\u5148\u67e5\u770b\u6700\u7ec8\u914d\u7f6e\uff0c\u4e0d\u8981\u53ea\u5173\u7cfb\u7edf\u4ee3\u7406\u3002\u6d4f\u89c8\u5668\u80fd\u8bbf\u95ee\u4e0d\u4ee3\u8868 SSH \u80fd\u8fde\u63a5\uff0c\u53cd\u8fc7\u6765\u4e5f\u4e00\u6837\u3002<\/p>\n<h3>5. MTU \u6216\u96a7\u9053\u5c01\u88c5\u95ee\u9898<\/h3>\n<p>\u5c0f\u5305\u6b63\u5e38\u800c SSH\/RDP \u767b\u5f55\u540e\u5361\u4f4f\uff0c\u53ef\u80fd\u4e0e\u96a7\u9053 MTU\u3001\u8def\u5f84 MTU \u53d1\u73b0\u6216\u4e22\u5305\u6709\u5173\u3002\u5148\u6536\u96c6 VPN \u548c\u7cfb\u7edf\u65e5\u5fd7\uff0c\u7531\u7ba1\u7406\u5458\u8c03\u6574\u96a7\u9053\u914d\u7f6e\uff1b\u4e0d\u8981\u5728\u672a\u77e5\u5f71\u54cd\u4e0b\u968f\u610f\u4fee\u6539\u670d\u52a1\u5668 MTU\u3002<\/p>\n<h3>6. \u4f01\u4e1a\u7b56\u7565\u660e\u786e\u963b\u6b62\u7ba1\u7406\u534f\u8bae<\/h3>\n<p>\u516c\u53f8\u53ef\u80fd\u53ea\u5141\u8bb8\u7ecf\u8fc7\u5821\u5792\u673a\u3001\u96f6\u4fe1\u4efb\u7f51\u5173\u6216\u5ba1\u6279\u51fa\u53e3\u8bbf\u95ee SSH\/RDP\u3002\u8fd9\u4e0d\u662f\u9700\u8981\u201c\u7ed5\u8fc7\u201d\u7684\u6545\u969c\uff0c\u5e94\u63d0\u4ea4\u76ee\u6807\u3001\u7aef\u53e3\u3001\u8d1f\u8d23\u4eba\u548c\u4e1a\u52a1\u671f\u9650\uff0c\u8ba9 IT \u63d0\u4f9b\u5408\u89c4\u8def\u5f84\u3002<\/p>\n<h2>\u4ec0\u4e48\u65f6\u5019\u624d\u9700\u8981\u6e05 DNS \u7f13\u5b58\uff1f<\/h2>\n<p>\u53ea\u6709\u57df\u540d\u89e3\u6790\u7ed3\u679c\u4e0e\u6743\u5a01 DNS \u6216\u9884\u671f\u4e0d\u4e00\u81f4\uff0c\u4e14\u76f4\u63a5\u7528\u6b63\u786e IP \u53ef\u4ee5\u8fde\u63a5\u65f6\uff0c\u624d\u4f18\u5148\u5904\u7406 DNS\u3002\u5148\u8bb0\u5f55\u73b0\u6709\u7ed3\u679c\u548c TTL\uff0c\u518d\u5237\u65b0\u7f13\u5b58\uff1b\u5982\u679c\u76ee\u6807\u672c\u6765\u5c31\u662f IP\uff0c\u6e05 DNS \u4e0d\u4f1a\u89e3\u51b3\u7aef\u53e3\u8d85\u65f6\u3002<\/p>\n<p>\u540c\u6837\uff0c\u4e0d\u8981\u628a\u201c\u6362\u624b\u673a\u70ed\u70b9\u80fd\u8fde\u201d\u76f4\u63a5\u89e3\u91ca\u6210\u539f\u7f51\u7edc DNS \u95ee\u9898\u3002\u51fa\u53e3\u767d\u540d\u5355\u3001\u8def\u7531\u3001IPv6\u3001\u8fd0\u8425\u5546\u8fc7\u6ee4\u548c MTU \u90fd\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n<h2>\u4fee\u590d\u65b9\u6848\u600e\u4e48\u9009\uff1f<\/h2>\n<ul>\n<li><strong>\u4e2a\u4eba\u6d4b\u8bd5 VPN\uff1a<\/strong>\u4f7f\u7528\u7cbe\u786e\u7684 split tunnel\uff0c\u8ba9\u6388\u6743\u670d\u52a1\u5668 IP\/\u7f51\u6bb5\u6309\u9884\u671f\u8d70\u76f4\u8fde\u6216\u6307\u5b9a\u96a7\u9053\uff1b<\/li>\n<li><strong>\u4f01\u4e1a VPN\uff1a<\/strong>\u7531\u7ba1\u7406\u5458\u914d\u7f6e\u56fa\u5b9a\u51fa\u53e3\u3001\u76ee\u6807\u7b56\u7565\u3001\u5185\u90e8 DNS \u548c\u5ba1\u8ba1\uff1b<\/li>\n<li><strong>\u591a\u7ba1\u7406\u5458\uff1a<\/strong>\u4f7f\u7528 VPN\u3001\u5821\u5792\u673a\u6216\u96f6\u4fe1\u4efb\u5165\u53e3\uff0c\u4e0d\u7ef4\u62a4\u5927\u91cf\u4e2a\u4eba\u4e34\u65f6 IP\uff1b<\/li>\n<li><strong>\u4e34\u65f6\u5931\u8054\uff1a<\/strong>\u4f7f\u7528\u4e91\u63a7\u5236\u53f0\u7684\u5e26\u5916\u7ec8\u7aef\u68c0\u67e5\u670d\u52a1\u5668\uff0c\u4f46\u63a7\u5236\u53f0\u8bbf\u95ee\u672c\u8eab\u4ecd\u53ef\u80fd\u53d7\u672c\u5730\u4ee3\u7406\u5f71\u54cd\uff1b<\/li>\n<li><strong>\u957f\u671f\u8de8\u5730\u57df\u8fd0\u7ef4\uff1a<\/strong>\u9009\u62e9\u9760\u8fd1\u8fd0\u7ef4\u56e2\u961f\u6216\u63d0\u4f9b\u5408\u89c4\u7ba1\u7406\u5165\u53e3\u7684\u8282\u70b9\uff0c\u5e76\u76d1\u63a7\u4e24\u6761\u8def\u5f84\u3002<\/li>\n<\/ul>\n<h2>\u4fee\u590d\u540e\u7684\u9a8c\u6536<\/h2>\n<ol>\n<li>\u516c\u53f8\u6279\u51c6\u7684\u7f51\u7edc\u548c\u7528\u6237\u80fd\u8bbf\u95ee\uff0c\u672a\u6388\u6743\u6765\u6e90\u4ecd\u88ab\u62d2\u7edd\uff1b<\/li>\n<li>\u57df\u540d\u548c IP\u3001IPv4 \u548c IPv6 \u7684\u884c\u4e3a\u7b26\u5408\u8bbe\u8ba1\uff1b<\/li>\n<li>SSH\/RDP\/HTTPS \u7684\u771f\u5b9e\u534f\u8bae\u90fd\u5b8c\u6210\u767b\u5f55\u6216\u4e1a\u52a1\u8bf7\u6c42\uff1b<\/li>\n<li>VPN \u91cd\u8fde\u3001\u5207\u6362\u7f51\u7edc\u548c\u7cfb\u7edf\u91cd\u542f\u540e\u89c4\u5219\u4ecd\u6709\u6548\uff1b<\/li>\n<li>\u5b89\u5168\u7ec4\u6ca1\u6709\u7559\u4e0b\u4e34\u65f6\u5168\u7f51\u89c4\u5219\uff1b<\/li>\n<li>\u8bb0\u5f55\u4e86\u51fa\u53e3\u3001\u76ee\u6807\u3001\u7aef\u53e3\u3001\u8d23\u4efb\u4eba\u548c\u5230\u671f\u65f6\u95f4\u3002<\/li>\n<\/ol>\n<h2>\u9700\u8981\u6362 VPS \u5417\uff1f<\/h2>\n<p>\u672c\u5730 VPN\u3001\u4ee3\u7406\u6216\u516c\u53f8\u7f51\u7edc\u5bfc\u81f4\u7684\u8def\u5f84\u95ee\u9898\u901a\u5e38\u4e0d\u9700\u8981\u6362\u670d\u52a1\u5668\u3002\u53ea\u6709\u591a\u4e2a\u6388\u6743\u7f51\u7edc\u90fd\u8bc1\u660e\u5f53\u524d\u8282\u70b9\u8def\u7531\u957f\u671f\u5f02\u5e38\u3001\u4ea7\u54c1\u4e0d\u652f\u6301\u6240\u9700\u7f51\u7edc\u80fd\u529b\uff0c\u6216\u4e1a\u52a1\u7528\u6237\u5730\u57df\u5df2\u7ecf\u6539\u53d8\u65f6\u624d\u8bc4\u4f30\u8fc1\u79fb\u3002\u9700\u8981\u9694\u79bb\u6d4b\u8bd5\u8282\u70b9\u65f6\uff0c\u53ef\u5728<a href=\"https:\/\/www.ygcloud.com\/vps\/\">\u8424\u5149\u4e91\u6d77\u5916 VPS<\/a>\u67e5\u770b\u5f53\u524d\u5730\u57df\u548c\u7f51\u7edc\uff0c\u5e76\u7528<a href=\"https:\/\/www.ygcloud.com\/knowledge\/1412\/\">\u8d2d\u4e70\u524d\u7ebf\u8def\u6d4b\u8bd5\u65b9\u6cd5<\/a>\u5bf9\u6bd4\uff0c\u4e0d\u80fd\u53ea\u51ed\u4e00\u6b21\u5173\u95ed VPN \u7684\u7ed3\u679c\u4e0b\u7ed3\u8bba\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>\u8bbe\u7f6e NO_PROXY \u80fd\u8ba9 SSH \u76f4\u8fde\u5417\uff1f<\/h3>\n<p>\u6807\u51c6 OpenSSH \u4e0d\u4f1a\u56e0\u6b64\u81ea\u52a8\u6539\u53d8\u8fde\u63a5\u3002\u68c0\u67e5 SSH \u7684 ProxyJump\u3001ProxyCommand\u3001\u5ba2\u6237\u7aef\u63d2\u4ef6\u548c\u7cfb\u7edf\u8def\u7531\u3002<\/p>\n<h3>\u5173\u95ed VPN \u540e\u80fd\u8fde\uff0c\u662f\u5426\u4e00\u5b9a\u662f VPN \u574f\u4e86\uff1f<\/h3>\n<p>\u4e0d\u662f\u3002\u4e5f\u53ef\u80fd\u662f\u51fa\u53e3\u767d\u540d\u5355\u3001\u8def\u7531\u3001DNS\u3001IPv6\u3001MTU\u6216\u4f01\u4e1a\u7b56\u7565\u4e0d\u540c\u3002\u9700\u8981\u5bf9\u7167\u6d4b\u8bd5\u624d\u80fd\u5b9a\u4f4d\u3002<\/p>\n<h3>\u4e91\u63a7\u5236\u53f0\u7ec8\u7aef\u4e00\u5b9a\u4e0d\u53d7\u672c\u5730\u7f51\u7edc\u5f71\u54cd\u5417\uff1f<\/h3>\n<p>\u5b83\u4e0d\u8d70\u4f60\u5230\u5b9e\u4f8b SSH\/RDP \u7aef\u53e3\u7684\u76f4\u63a5\u8def\u5f84\uff0c\u4f46\u6d4f\u89c8\u5668\u4ecd\u9700\u8bbf\u95ee\u4e91\u63a7\u5236\u53f0\uff0c\u7cfb\u7edf\u4ee3\u7406\u6216\u4f01\u4e1a\u7f51\u7edc\u4ecd\u53ef\u80fd\u5f71\u54cd\u5b83\u3002<\/p>\n<h2>\u76f8\u5173\u63a8\u8350<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/1368\/\">\u670d\u52a1\u5668\u7aef\u53e3\u4e0d\u901a\u5206\u5c42\u6392\u67e5<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/143\/\">\u4e91\u670d\u52a1\u5668 IP \u8fde\u63a5\u4e0d\u4e0a\u600e\u4e48\u529e<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/1434\/\">\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\u89c4\u5219<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/1320\/\">SSH \u8fde\u63a5\u5931\u8d25\u4e0e\u8ba4\u8bc1\u6392\u67e5<\/a><\/li>\n<li><a href=\"https:\/\/www.ygcloud.com\/knowledge\/1761\/\">\u5ef6\u8fdf\u3001\u4e22\u5305\u548c\u8def\u7531\u6d4b\u8bd5\u600e\u4e48\u8bfb<\/a><\/li>\n<\/ul>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u7ed9\u7ed3\u8bba\uff1aVPN \u6216\u4ee3\u7406\u53ef\u80fd\u8ba9 VPS \u8fde\u63a5\u8d70\u4e0d\u540c\u51fa\u53e3\u3001\u8def\u7531\u3001DNS \u6216\u534f\u8bae\u4ee3\u7406\uff0c\u4f46\u201c\u6682\u505c VPN \u540e\u80fd\u8fde\u4e0a\u201d\u53ea\u80fd\u8bc1\u660e\u4e24\u79cd\u7f51\u7edc\u8def\u5f84\u4e0d\u540c\uff0c\u4e0d\u80fd\u76f4\u63a5\u8bc1\u660e VPN 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