{"id":1368,"date":"2026-04-14T10:18:07","date_gmt":"2026-04-14T02:18:07","guid":{"rendered":"https:\/\/www.ygcloud.com\/knowledge\/?p=1368"},"modified":"2026-04-14T10:19:18","modified_gmt":"2026-04-14T02:19:18","slug":"%e4%b9%b0%e4%ba%86%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%ab%af%e5%8f%a3%e4%b8%8d%e9%80%9a%ef%bc%9f90%e6%98%af%e5%ae%89%e5%85%a8%e7%bb%84%e6%b2%a1%e5%bc%80%ef%bc%8c3%e5%88%86%e9%92%9f%e6%90%9e%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/www.ygcloud.com\/knowledge\/1368\/","title":{"rendered":"\u4e70\u4e86\u670d\u52a1\u5668\u7aef\u53e3\u4e0d\u901a\uff1f90%\u662f\u5b89\u5168\u7ec4\u6ca1\u5f00\uff0c3\u5206\u949f\u641e\u5b9a"},"content":{"rendered":"<p><!-- obsidian --><\/p>\n<p>\u7ecf\u5e38\u6709\u7528\u6237\u53cd\u9988\uff1a\u6309\u6559\u7a0b\u4e00\u6b65\u6b65\u64cd\u4f5c\u4e86\uff0c\u914d\u7f6e\u4e5f\u786e\u8ba4\u6ca1\u95ee\u9898\uff0c\u4f46\u7aef\u53e3\u5c31\u662f\u8fde\u4e0d\u901a\u3002\u4e4b\u524d\u5e2e\u51e0\u4e2a\u7528\u6237\u8fdc\u7a0b\u6392\u67e5\uff0c\u53d1\u73b0\u95ee\u9898\u51e0\u4e4e\u90fd\u51fa\u5728\u540c\u4e00\u7c7b\u5730\u65b9\u2014\u2014\u4e0d\u662f\u670d\u52a1\u5668\u7684\u95ee\u9898\uff0c\u800c\u662f\u5b89\u5168\u7ec4\u6216\u9632\u706b\u5899\u6ca1\u5f00\u3002<\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u628a\u7aef\u53e3\u4e0d\u901a\u7684\u6392\u67e5\u6d41\u7a0b\u6574\u7406\u51fa\u6765\uff0c\u6309\u987a\u5e8f\u8d70\uff0c5\u5206\u949f\u5185\u57fa\u672c\u80fd\u5b9a\u4f4d\u95ee\u9898\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1369\" src=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/04\/603860e074ea3d1.jpg\" alt=\"\" width=\"580\" height=\"433\" srcset=\"https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/04\/603860e074ea3d1.jpg 1024w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/04\/603860e074ea3d1-300x224.jpg 300w, https:\/\/www.ygcloud.com\/knowledge\/wp-content\/uploads\/2026\/04\/603860e074ea3d1-768x574.jpg 768w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/p>\n<h2 data-heading=\"\u5148\u5224\u65ad\u95ee\u9898\u5728\u54ea\u4e00\u73af\">\u5148\u5224\u65ad\u95ee\u9898\u5728\u54ea\u4e00\u73af<\/h2>\n<p>\u7aef\u53e3\u4e0d\u901a\u4e0d\u662f\u4e00\u4e2a&#8221;\u95ee\u9898&#8221;\uff0c\u800c\u662f\u4e00\u4e2a&#8221;\u7ed3\u679c&#8221;\u3002\u95ee\u9898\u53ef\u80fd\u51fa\u5728\u597d\u51e0\u4e2a\u73af\u8282\uff1a<\/p>\n<p>\u672c\u5730\u7f51\u7edc \u2192 \u4e91\u5e73\u53f0\u5b89\u5168\u7ec4 \u2192 \u670d\u52a1\u5668\u9632\u706b\u5899 \u2192 \u670d\u52a1\u76d1\u542c \u2192 \u5e94\u7528\u914d\u7f6e<\/p>\n<p>\u6392\u67e5\u7684\u9ec4\u91d1\u539f\u5219\uff1a<strong>\u4ece\u5916\u5230\u5185\uff0c\u5148\u6392\u9664\u5916\u5c42\u95ee\u9898\uff0c\u518d\u67e5\u5185\u5c42<\/strong>\u3002\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u767b\u5f55\u670d\u52a1\u5668\u6298\u817e\u3002<\/p>\n<h2 data-heading=\"\u7b2c\u4e00\u6b65\uff1a\u672c\u5730\u7aef\u53e3\u68c0\u6d4b\">\u7b2c\u4e00\u6b65\uff1a\u672c\u5730\u7aef\u53e3\u68c0\u6d4b<\/h2>\n<p>\u5148\u4ece\u81ea\u5df1\u7684\u7535\u8111\u786e\u8ba4\u7aef\u53e3\u5230\u5e95\u80fd\u4e0d\u80fd\u901a\u3002<\/p>\n<p>\u6253\u5f00\u7ec8\u7aef\uff0c\u6267\u884c\uff1a<\/p>\n<pre><code class=\"language-bash\">nc -zv \u4f60\u7684\u670d\u52a1\u5668IP \u7aef\u53e3\u53f7\r\n<\/code><\/pre>\n<p>\u6ca1\u6709nc\u7684\u8bdd\u53ef\u4ee5\u7528telnet\uff1a<\/p>\n<pre><code class=\"language-bash\">telnet \u4f60\u7684\u670d\u52a1\u5668IP \u7aef\u53e3\u53f7\r\n<\/code><\/pre>\n<p>\u4e09\u79cd\u7ed3\u679c\uff1a<\/p>\n<ul>\n<li>\u8fde\u63a5\u6210\u529f\uff08Connection succeeded\uff09\uff1a\u7aef\u53e3\u662f\u901a\u7684\uff0c\u95ee\u9898\u5728\u5e94\u7528\u5c42\uff08\u670d\u52a1\u914d\u7f6e\u3001Nginx\u4ee3\u7406\u7b49\uff09<\/li>\n<li>\u8fde\u63a5\u62d2\u7edd\uff08Connection refused\uff09\uff1a\u8bf7\u6c42\u5230\u8fbe\u4e86\u670d\u52a1\u5668\uff0c\u4f46\u88ab\u62d2\u7edd\u4e86\uff0c\u5927\u6982\u7387\u662f\u9632\u706b\u5899\u6216\u670d\u52a1\u6ca1\u76d1\u542c<\/li>\n<li>\u8fde\u63a5\u8d85\u65f6\uff08Connection timed out\uff09\uff1a\u8bf7\u6c42\u6839\u672c\u6ca1\u5230\u670d\u52a1\u5668\uff0c\u5927\u6982\u7387\u662f\u5b89\u5168\u7ec4\u6ca1\u5f00\u6216\u7f51\u7edc\u95ee\u9898<\/li>\n<\/ul>\n<p>\u8fd9\u4e00\u6b65\u7684\u7ed3\u679c\u51b3\u5b9a\u4e86\u4f60\u63a5\u4e0b\u6765\u67e5\u4ec0\u4e48\u3002<\/p>\n<h2 data-heading=\"\u7b2c\u4e8c\u6b65\uff1a\u4e91\u5e73\u53f0\u5b89\u5168\u7ec4\">\u7b2c\u4e8c\u6b65\uff1a\u4e91\u5e73\u53f0\u5b89\u5168\u7ec4<\/h2>\n<p>\u5982\u679c\u7b2c\u4e00\u6b65\u663e\u793a\u8d85\u65f6\u6216\u62d2\u7edd\uff0c\u5148\u53bb\u4e91\u5e73\u53f0\u770b\u5b89\u5168\u7ec4\u3002<\/p>\n<p>\u5b89\u5168\u7ec4\u662f\u4e91\u5e73\u53f0\u63a7\u5236\u5916\u90e8\u6d41\u91cf\u80fd\u4e0d\u80fd\u8bbf\u95ee\u4f60\u670d\u52a1\u5668\u7684\u7b2c\u4e00\u9053\u95e8\u3002\u5f88\u591a\u7aef\u53e3\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\uff0c\u9700\u8981\u624b\u52a8\u653e\u884c\u3002<\/p>\n<p>\u64cd\u4f5c\u6b65\u9aa4\uff08\u5404\u5382\u5546\u903b\u8f91\u4e00\u6837\uff0c\u5165\u53e3\u4e0d\u540c\uff09\uff1a<\/p>\n<ol>\n<li>\u8fdb\u5165\u4e91\u670d\u52a1\u5668\u63a7\u5236\u53f0<\/li>\n<li>\u627e\u5230\u4f60\u7684\u670d\u52a1\u5668\u5b9e\u4f8b<\/li>\n<li>\u70b9\u51fb&#8221;\u5b89\u5168\u7ec4&#8221;\u6216&#8221;\u9632\u706b\u5899&#8221;<\/li>\n<li>\u67e5\u770b&#8221;\u5165\u65b9\u5411&#8221;\u89c4\u5219<\/li>\n<li>\u68c0\u67e5\u76ee\u6807\u7aef\u53e3\u662f\u5426\u5728\u653e\u884c\u5217\u8868\u4e2d<\/li>\n<li>\u5982\u679c\u6ca1\u6709\uff0c\u6dfb\u52a0\u4e00\u6761\u89c4\u5219\uff1a\u534f\u8baeTCP\uff0c\u7aef\u53e3\u8303\u56f4\u586b\u4f60\u7684\u7aef\u53e3\u53f7\uff0c\u6765\u6e90\u586b0.0.0.0\/0<\/li>\n<\/ol>\n<p>\u6dfb\u52a0\u5b8c\u4e4b\u540e\u7b491-2\u5206\u949f\u518d\u6d4b\u8bd5\uff0c\u6709\u4e9b\u5382\u5546\u7684\u5b89\u5168\u7ec4\u89c4\u5219\u4e0d\u662f\u5373\u65f6\u751f\u6548\u7684\u3002<\/p>\n<p>\u6ce8\u610f\u68c0\u67e5\u8fd9\u51e0\u4e2a\u70b9\uff1a<\/p>\n<ul>\n<li>\u534f\u8bae\u7c7b\u578b\u8981\u5bf9\uff08TCP\u8fd8\u662fUDP\uff09<\/li>\n<li>\u7aef\u53e3\u8303\u56f4\u8981\u5305\u542b\u4f60\u7684\u7aef\u53e3\uff08\u6bd4\u5982\u4f60\u60f3\u75288080\uff0c\u7aef\u53e3\u8303\u56f4\u5199&#8221;8080\/8080&#8243;\u6216&#8221;8080-8080&#8243;\uff09<\/li>\n<li>\u6765\u6e90IP\u4e0d\u8981\u5199\u9519\u4e86\uff0c\u6392\u67e5\u9636\u6bb5\u5efa\u8bae\u5148\u75280.0.0.0\/0\uff08\u5141\u8bb8\u6240\u6709IP\uff09<\/li>\n<\/ul>\n<h2 data-heading=\"\u7b2c\u4e09\u6b65\uff1a\u670d\u52a1\u5668\u9632\u706b\u5899\">\u7b2c\u4e09\u6b65\uff1a\u670d\u52a1\u5668\u9632\u706b\u5899<\/h2>\n<p>\u5b89\u5168\u7ec4\u786e\u8ba4\u653e\u884c\u4e86\uff0c\u4f46\u7aef\u53e3\u8fd8\u662f\u4e0d\u901a\uff0c\u63a5\u4e0b\u6765\u67e5\u670d\u52a1\u5668\u5185\u90e8\u7684\u9632\u706b\u5899\u3002<\/p>\n<p>SSH\u767b\u5f55\u670d\u52a1\u5668\u540e\uff0c\u5148\u770b\u9632\u706b\u5899\u72b6\u6001\uff1a<\/p>\n<p><strong>CentOS\uff08firewalld\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-bash\">systemctl status firewalld\r\nfirewall-cmd --list-ports\r\n<\/code><\/pre>\n<p><strong>Ubuntu\uff08ufw\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-bash\">ufw status\r\n<\/code><\/pre>\n<p>\u5982\u679c\u7aef\u53e3\u4e0d\u5728\u653e\u884c\u5217\u8868\u91cc\uff0c\u6dfb\u52a0\u5b83\uff1a<\/p>\n<pre><code class=\"language-bash\"># CentOS\r\nfirewall-cmd --add-port=8080\/tcp --permanent\r\nfirewall-cmd --reload\r\n\r\n# Ubuntu\r\nufw allow 8080\/tcp\r\n<\/code><\/pre>\n<p>\u5feb\u901f\u9a8c\u8bc1\u65b9\u6cd5\uff1a\u4e34\u65f6\u5173\u6389\u9632\u706b\u5899\u6d4b\u8bd5\uff08\u4ec5\u7528\u4e8e\u6392\u67e5\uff0c\u786e\u8ba4\u540e\u8bb0\u5f97\u91cd\u65b0\u5f00\u542f\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\"># CentOS\r\nsystemctl stop firewalld\r\n\r\n# Ubuntu\r\nufw disable\r\n<\/code><\/pre>\n<p>\u5173\u6389\u9632\u706b\u5899\u540e\u7aef\u53e3\u80fd\u901a\u4e86\uff0c\u8bf4\u660e\u5c31\u662f\u9632\u706b\u5899\u89c4\u5219\u7684\u95ee\u9898\uff0c\u628a\u7aef\u53e3\u52a0\u5230\u653e\u884c\u5217\u8868\u91cc\u518d\u5f00\u56de\u6765\u3002<\/p>\n<h2 data-heading=\"\u7b2c\u56db\u6b65\uff1a\u786e\u8ba4\u670d\u52a1\u5728\u76d1\u542c\">\u7b2c\u56db\u6b65\uff1a\u786e\u8ba4\u670d\u52a1\u5728\u76d1\u542c<\/h2>\n<p>\u9632\u706b\u5899\u4e5f\u5f00\u4e86\uff0c\u63a5\u4e0b\u6765\u786e\u8ba4\u670d\u52a1\u662f\u5426\u771f\u7684\u5728\u76d1\u542c\u8fd9\u4e2a\u7aef\u53e3\uff1a<\/p>\n<pre><code class=\"language-bash\">ss -tlnp | grep \u7aef\u53e3\u53f7\r\n<\/code><\/pre>\n<p>\u6216\u8005\uff1a<\/p>\n<pre><code class=\"language-bash\">netstat -tlnp | grep \u7aef\u53e3\u53f7\r\n<\/code><\/pre>\n<p>\u770b\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u8f93\u51fa\u8bf4\u660e\u670d\u52a1\u5728\u76d1\u542c\uff1a<\/p>\n<pre><code>LISTEN  0  128  *:8080  *:*  users:((\"nginx\",pid=1234,fd=6))\r\n<\/code><\/pre>\n<p>\u91cd\u70b9\u770b\u76d1\u542c\u5730\u5740\uff1a<\/p>\n<ul>\n<li>0.0.0.0:\u7aef\u53e3 \u2192 \u6240\u6709IP\u90fd\u80fd\u8bbf\u95ee\uff0c\u6ca1\u95ee\u9898<\/li>\n<li>127.0.0.1:\u7aef\u53e3 \u2192 \u53ea\u5141\u8bb8\u672c\u5730\u8bbf\u95ee\uff0c\u5916\u90e8\u8fde\u4e0d\u4e0a<\/li>\n<li>:::\u7aef\u53e3 \u2192 IPv6\u76d1\u542c\uff0c\u4e00\u822c\u6ca1\u95ee\u9898<\/li>\n<\/ul>\n<p>\u5982\u679c\u6ca1\u6709\u4efb\u4f55\u8f93\u51fa\uff0c\u8bf4\u660e\u670d\u52a1\u6ca1\u6709\u5728\u8fd9\u4e2a\u7aef\u53e3\u4e0a\u8fd0\u884c\u3002\u68c0\u67e5\u670d\u52a1\u662f\u5426\u542f\u52a8\u3001\u914d\u7f6e\u6587\u4ef6\u91cc\u7684\u7aef\u53e3\u662f\u5426\u6b63\u786e\u3002<\/p>\n<h2 data-heading=\"\u7b2c\u4e94\u6b65\uff1a\u68c0\u67e5\u670d\u52a1\u7ed1\u5b9a\u5730\u5740\">\u7b2c\u4e94\u6b65\uff1a\u68c0\u67e5\u670d\u52a1\u7ed1\u5b9a\u5730\u5740<\/h2>\n<p>\u5982\u679c\u670d\u52a1\u76d1\u542c\u5728127.0.0.1\u4e0a\uff0c\u5916\u90e8\u80af\u5b9a\u8bbf\u95ee\u4e0d\u4e86\u3002\u8fd9\u662f\u4e00\u4e2a\u5f88\u5e38\u89c1\u4f46\u4e0d\u76f4\u89c2\u7684\u95ee\u9898\u3002<\/p>\n<p>\u4fee\u6539\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4f60\u7528\u7684\u6280\u672f\u6808\uff1a<\/p>\n<p><strong>Node.js\uff1a<\/strong><\/p>\n<pre><code class=\"language-javascript\">app.listen(3000, '0.0.0.0')\r\n<\/code><\/pre>\n<p><strong>Spring Boot\uff08application.properties\uff09\uff1a<\/strong><\/p>\n<pre><code class=\"language-properties\">server.address=0.0.0.0\r\n<\/code><\/pre>\n<p><strong>Python Flask\uff1a<\/strong><\/p>\n<pre><code class=\"language-python\">app.run(host='0.0.0.0', port=5000)\r\n<\/code><\/pre>\n<p><strong>Python Django\uff1a<\/strong><\/p>\n<pre><code class=\"language-bash\">python manage.py runserver 0.0.0.0:8000\r\n<\/code><\/pre>\n<p>\u6539\u5b8c\u4e4b\u540e\u91cd\u542f\u670d\u52a1\uff0c\u518d\u4ece\u672c\u5730\u6d4b\u8bd5\u3002<\/p>\n<h2 data-heading=\"\u5e38\u89c1\u7aef\u53e3\u95ee\u9898\u901f\u67e5\">\u5e38\u89c1\u7aef\u53e3\u95ee\u9898\u901f\u67e5<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u73b0\u8c61<\/th>\n<th>\u6700\u53ef\u80fd\u7684\u539f\u56e0<\/th>\n<th>\u89e3\u51b3\u65b9\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>nc\u663e\u793a\u8d85\u65f6<\/td>\n<td>\u5b89\u5168\u7ec4\u6ca1\u5f00<\/td>\n<td>\u4e91\u5e73\u53f0\u6dfb\u52a0\u5b89\u5168\u7ec4\u89c4\u5219<\/td>\n<\/tr>\n<tr>\n<td>nc\u663e\u793a\u62d2\u7edd<\/td>\n<td>\u9632\u706b\u5899\u62e6\u622a\u6216\u670d\u52a1\u6ca1\u76d1\u542c<\/td>\n<td>\u68c0\u67e5firewalld\/ufw\uff0c\u68c0\u67e5ss -tlnp<\/td>\n<\/tr>\n<tr>\n<td>\u672c\u5730\u80fd\u901a\u4f46\u522b\u4eba\u4e0d\u884c<\/td>\n<td>\u5b89\u5168\u7ec4\u6765\u6e90IP\u9650\u5236<\/td>\n<td>\u6539\u5b89\u5168\u7ec4\u6765\u6e90\u4e3a0.0.0.0\/0<\/td>\n<\/tr>\n<tr>\n<td>\u670d\u52a1\u542f\u52a8\u4e86\u4f46\u7aef\u53e3\u4e0d\u901a<\/td>\n<td>\u7ed1\u5b9a\u4e86127.0.0.1<\/td>\n<td>\u6539\u4e3a0.0.0.0<\/td>\n<\/tr>\n<tr>\n<td>\u6539\u4e86\u7aef\u53e3\u540e\u4e0d\u901a<\/td>\n<td>\u5b89\u5168\u7ec4\u548c\u9632\u706b\u5899\u6ca1\u66f4\u65b0<\/td>\n<td>\u540c\u6b65\u66f4\u65b0\u6240\u6709\u89c4\u5219<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 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