{"id":441956,"date":"2025-09-25T15:18:39","date_gmt":"2025-09-25T07:18:39","guid":{"rendered":"https:\/\/www.idc.net\/help\/?p=441956"},"modified":"2025-09-25T15:18:39","modified_gmt":"2025-09-25T07:18:39","slug":"%e9%a6%99%e6%b8%af%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae%ef%bc%9a7%e4%b8%aa%e6%ad%a5%e9%aa%a4%e6%8e%8c%e6%8f%a1ubuntu-ufw%e9%98%b2%e7%81%ab%e5%a2%99%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/441956\/","title":{"rendered":"\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\uff1a7\u4e2a\u6b65\u9aa4\u638c\u63e1Ubuntu UFW\u9632\u706b\u5899\u8bbe\u7f6e"},"content":{"rendered":"<p>\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u5b89\u5168\u7684\u9632\u706b\u5899\u662f\u4fdd\u62a4\u6570\u636e\u548c\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u5173\u952e\u63aa\u65bd\u3002Ubuntu\u7684Uncomplicated Firewall\uff08UFW\uff09\u662f\u4e00\u6b3e\u7b80\u5355\u6613\u7528\u7684\u5de5\u5177\uff0c\u9002\u5408\u6280\u672f\u4eba\u5458\u5feb\u901f\u914d\u7f6e\u7f51\u7edc\u5b89\u5168\u7b56\u7565\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u8bbe\u7f6e\u548c\u4f7f\u7528UFW\uff0c\u901a\u8fc77\u4e2a\u6b65\u9aa4\u4e3a\u6280\u672f\u53d7\u4f17\u63d0\u4f9b\u51c6\u786e\u3001\u5b9e\u7528\u7684\u6307\u5357\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u9700\u8981\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u914d\u7f6eUFW\uff1f<\/h2>\n<p>UFW\u662fUbuntu\u5185\u7f6e\u7684\u9632\u706b\u5899\u5de5\u5177\uff0c\u57fa\u4e8eiptables\uff0c\u63d0\u4f9b\u76f4\u89c2\u7684\u547d\u4ee4\u884c\u754c\u9762\uff0c\u7b80\u5316\u4e86\u7f51\u7edc\u6d41\u91cf\u7ba1\u7406\u548c\u5b89\u5168\u89c4\u5219\u914d\u7f6e\u3002\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4ee5\u5176\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u5e26\u5bbd\u8457\u79f0\uff0c\u5e7f\u6cdb\u7528\u4e8e\u6258\u7ba1\u7f51\u7ad9\u3001\u5e94\u7528\u548c\u6570\u636e\u5e93\uff0c\u800cUFW\u80fd\u6709\u6548\u4fdd\u62a4\u8fd9\u4e9b\u670d\u52a1\u514d\u53d7\u6f5c\u5728\u5a01\u80c1\u3002<\/p>\n<h3>UFW\u7684\u6838\u5fc3\u4f18\u52bf\uff1a<\/h3>\n<ul>\n<li><strong>\u7b80\u5355\u6613\u7528<\/strong>\uff1a\u901a\u8fc7\u76f4\u89c2\u7684\u547d\u4ee4\u5feb\u901f\u914d\u7f6e\u89c4\u5219\u3002<\/li>\n<li><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u652f\u6301\u7aef\u53e3\u3001IP\u5730\u5740\u548c\u670d\u52a1\u7684\u7cbe\u786e\u63a7\u5236\u3002<\/li>\n<li><strong>\u9ed8\u8ba4\u5b89\u5168<\/strong>\uff1a\u9ed8\u8ba4\u62d2\u7edd\u6240\u6709\u5165\u7ad9\u8fde\u63a5\uff0c\u5141\u8bb8\u51fa\u7ad9\u8fde\u63a5\u3002<\/li>\n<li><strong>\u5f00\u6e90\u652f\u6301<\/strong>\uff1a\u793e\u533a\u9a71\u52a8\uff0c\u6301\u7eed\u66f4\u65b0\u4ee5\u5e94\u5bf9\u65b0\u5a01\u80c1\u3002<\/li>\n<\/ul>\n<h2>7\u4e2a\u6b65\u9aa4\u914d\u7f6eUFW\u9632\u706b\u5899<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u8bbe\u7f6eUFW\u7684\u8be6\u7ec6\u6b65\u9aa4\uff0c\u9002\u7528\u4e8eUbuntu 18.04\u300120.04\u53ca\u66f4\u9ad8\u7248\u672c\u3002<\/p>\n<h3>\u6b65\u9aa41\uff1a\u68c0\u67e5\u5e76\u5b89\u88c5UFW<\/h3>\n<p>UFW\u901a\u5e38\u9884\u88c5\u5728Ubuntu\u7cfb\u7edf\u4e2d\uff0c\u4f46\u9ed8\u8ba4\u672a\u542f\u7528\u3002\u9996\u5148\uff0c\u901a\u8fc7SSH\u8fde\u63a5\u5230\u9999\u6e2f\u4e91\u670d\u52a1\u5668\uff1a<\/p>\n<pre><code class=\"language-bash\">ssh your-user@your-server\r\n<\/code><\/pre>\n<p>\u68c0\u67e5UFW\u662f\u5426\u5df2\u5b89\u88c5\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw status\r\n<\/code><\/pre>\n<p>\u5982\u679c\u63d0\u793a\u201ccommand not found\u201d\uff0c\u5b89\u88c5UFW\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo apt-get update\r\nsudo apt-get install ufw\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa42\uff1a\u542f\u7528UFW\u9632\u706b\u5899<\/h3>\n<p>\u542f\u7528UFW\u4ee5\u6fc0\u6d3b\u9632\u706b\u5899\u529f\u80fd\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw enable\r\n<\/code><\/pre>\n<p>\u9ed8\u8ba4\u8bbe\u7f6e\u5141\u8bb8\u6240\u6709\u51fa\u7ad9\u8fde\u63a5\u5e76\u62d2\u7edd\u6240\u6709\u5165\u7ad9\u8fde\u63a5\uff0c\u9002\u5408\u5927\u591a\u6570\u57fa\u672c\u573a\u666f\u3002\u542f\u7528\u540e\uff0c\u68c0\u67e5\u72b6\u6001\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw status\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa43\uff1a\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219<\/h3>\n<p>\u9632\u706b\u5899\u89c4\u5219\u7528\u4e8e\u63a7\u5236\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<h4>\u5f00\u653e\u7aef\u53e3<\/h4>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5f00\u653e\u7279\u5b9a\u7aef\u53e3\uff0c\u4f8b\u5982HTTP\uff0880\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow 80\/tcp\r\n<\/code><\/pre>\n<p>\u82e5\u9700\u5f00\u653e\u7aef\u53e3\u8303\u56f4\uff08\u59823000-3010\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow 3000:3010\/tcp\r\n<\/code><\/pre>\n<h4>\u5173\u95ed\u7aef\u53e3<\/h4>\n<p>\u62d2\u7edd\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee\uff0c\u4f8b\u5982\u5173\u95ed56\u7aef\u53e3\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw deny 56\/tcp\r\n<\/code><\/pre>\n<h4>\u6307\u5b9a\u534f\u8bae<\/h4>\n<p>\u660e\u786e\u6307\u5b9aTCP\u6216UDP\u534f\u8bae\uff0c\u4f8b\u5982\u5f00\u653eSSH\uff0822\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow 22\/tcp\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa44\uff1a\u7ba1\u7406\u670d\u52a1<\/h3>\n<p>UFW\u652f\u6301\u76f4\u63a5\u4ee5\u670d\u52a1\u540d\u79f0\u914d\u7f6e\u89c4\u5219\uff0c\u7b80\u5316\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u5141\u8bb8HTTP\u670d\u52a1\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow http\r\n<\/code><\/pre>\n<p>\u8fd9\u7b49\u540c\u4e8e\u5f00\u653e80\u7aef\u53e3\u3002\u5bf9\u4e8eHTTPS\uff08443\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow https\r\n<\/code><\/pre>\n<p>\u67e5\u770b\u53ef\u7528\u670d\u52a1\u5217\u8868\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw app list\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa45\uff1a\u63a7\u5236IP\u5730\u5740\u8bbf\u95ee<\/h3>\n<p>UFW\u5141\u8bb8\u57fa\u4e8eIP\u5730\u5740\u6216\u5b50\u7f51\u914d\u7f6e\u8bbf\u95ee\u89c4\u5219\u3002<\/p>\n<h4>\u7279\u5b9aIP\u5730\u5740<\/h4>\n<p>\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u8bbf\u95ee\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow from 192.168.1.3\r\n<\/code><\/pre>\n<p>\u9650\u5236\u7279\u5b9aIP\u5230\u67d0\u7aef\u53e3\uff08\u5982SSH\uff09\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow from 192.168.1.3 to any port 22\r\n<\/code><\/pre>\n<h4>\u5b50\u7f51<\/h4>\n<p>\u4f7f\u7528CIDR\u8868\u793a\u6cd5\u5141\u8bb8\u5b50\u7f51\u8bbf\u95ee\uff0c\u4f8b\u5982203.0.113.0\/24\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow from 203.0.113.0\/24 to any port 22\r\n<\/code><\/pre>\n<h4>\u7279\u5b9a\u7f51\u7edc\u63a5\u53e3<\/h4>\n<p>\u4e3a\u7279\u5b9a\u7f51\u7edc\u63a5\u53e3\u914d\u7f6e\u89c4\u5219\uff0c\u9996\u5148\u68c0\u67e5\u63a5\u53e3\u540d\u79f0\uff1a<\/p>\n<pre><code class=\"language-bash\">ip addr\r\n<\/code><\/pre>\n<p>\u5047\u8bbe\u516c\u7f51\u63a5\u53e3\u4e3a<code>eth0<\/code>\uff0c\u5141\u8bb8HTTP\u6d41\u91cf\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw allow in on eth0 to any port 80\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa46\uff1a\u5220\u9664UFW\u89c4\u5219<\/h3>\n<p>\u5220\u9664\u89c4\u5219\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u6309\u89c4\u5219\u7f16\u53f7\u6216\u76f4\u63a5\u6307\u5b9a\u89c4\u5219\u3002<\/p>\n<h4>\u6309\u89c4\u5219\u7f16\u53f7<\/h4>\n<p>\u67e5\u770b\u5e26\u7f16\u53f7\u7684\u89c4\u5219\u5217\u8868\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw status numbered\r\n<\/code><\/pre>\n<p>\u5220\u9664\u7f16\u53f7\u4e3a2\u7684\u89c4\u5219\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw delete 2\r\n<\/code><\/pre>\n<h4>\u6309\u5177\u4f53\u89c4\u5219<\/h4>\n<p>\u76f4\u63a5\u5220\u9664\u7279\u5b9a\u89c4\u5219\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw delete allow http\r\n<\/code><\/pre>\n<p>\u6216\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw delete allow 80\/tcp\r\n<\/code><\/pre>\n<h3>\u6b65\u9aa47\uff1a\u7981\u7528\u6216\u91cd\u7f6eUFW\uff08\u53ef\u9009\uff09<\/h3>\n<p>\u82e5\u9700\u4e34\u65f6\u7981\u7528UFW\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw disable\r\n<\/code><\/pre>\n<p>\u91cd\u65b0\u542f\u7528\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw enable\r\n<\/code><\/pre>\n<p>\u82e5\u9700\u91cd\u7f6e\u6240\u6709\u89c4\u5219\uff0c\u6062\u590d\u9ed8\u8ba4\u72b6\u6001\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo ufw reset\r\n<\/code><\/pre>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u91cd\u7f6e\u5c06\u6e05\u9664\u6240\u6709\u81ea\u5b9a\u4e49\u89c4\u5219\uff0c\u9700\u8c28\u614e\u64cd\u4f5c\u3002<\/p>\n<h2>UFW\u914d\u7f6e\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u914d\u7f6eUFW\u65f6\uff0c\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u4ee5\u786e\u4fdd\u5b89\u5168\u6027\u548c\u6027\u80fd\uff1a<\/p>\n<ol>\n<li><strong>\u9ed8\u8ba4\u62d2\u7edd\u5165\u7ad9<\/strong>\uff1a\u4fdd\u6301\u9ed8\u8ba4\u62d2\u7edd\u6240\u6709\u5165\u7ad9\u8fde\u63a5\uff0c\u663e\u5f0f\u5141\u8bb8\u5fc5\u9700\u7684\u670d\u52a1\u3002<\/li>\n<li><strong>\u9650\u5236SSH\u8bbf\u95ee<\/strong>\uff1a\u4ec5\u5141\u8bb8\u7279\u5b9aIP\u6216\u5b50\u7f51\u8bbf\u95eeSSH\u7aef\u53e3\uff0822\uff09\uff0c\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u767b\u5f55\u3002<\/li>\n<li><strong>\u5b9a\u671f\u68c0\u67e5\u89c4\u5219<\/strong>\uff1a\u4f7f\u7528<code>sudo ufw status<\/code>\u5b9a\u671f\u9a8c\u8bc1\u89c4\u5219\u662f\u5426\u7b26\u5408\u9700\u6c42\u3002<\/li>\n<li><strong>\u542f\u7528\u65e5\u5fd7\u8bb0\u5f55<\/strong>\uff1a\u6fc0\u6d3bUFW\u65e5\u5fd7\u4ee5\u76d1\u63a7\u7f51\u7edc\u6d3b\u52a8\uff1a\n<pre><code class=\"language-bash\">sudo ufw logging on\r\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5907\u4efd\u914d\u7f6e<\/strong>\uff1a\u5728\u91cd\u5927\u66f4\u6539\u524d\u5907\u4efdUFW\u914d\u7f6e\u6587\u4ef6\uff08<code>\/etc\/ufw\/<\/code>\uff09\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u89c4\u5219<\/strong>\uff1a\u5728\u751f\u4ea7\u73af\u5883\u90e8\u7f72\u524d\uff0c\u4f7f\u7528\u6d4b\u8bd5\u670d\u52a1\u5668\u9a8c\u8bc1\u89c4\u5219\u3002<\/li>\n<\/ol>\n<h2>UFW\u4e0e\u5176\u4ed6\u9632\u706b\u5899\u5de5\u5177\u5bf9\u6bd4<\/h2>\n<table>\n<thead>\n<tr>\n<th><strong>\u5de5\u5177<\/strong><\/th>\n<th><strong>\u6613\u7528\u6027<\/strong><\/th>\n<th><strong>\u529f\u80fd\u6df1\u5ea6<\/strong><\/th>\n<th><strong>\u9002\u7528\u573a\u666f<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>UFW<\/strong><\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u3001\u7b80\u5355\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td><strong>iptables<\/strong><\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<td>\u590d\u6742\u89c4\u5219\u3001\u9ad8\u7ea7\u5b9a\u5236<\/td>\n<\/tr>\n<tr>\n<td><strong>firewalld<\/strong><\/td>\n<td>\u9ad8<\/td>\n<td>\u9ad8<\/td>\n<td>\u52a8\u6001\u73af\u5883\u3001\u4f01\u4e1a\u7ea7\u5e94\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>UFW\u56e0\u5176\u7b80\u5355\u6027\u548c\u5bf9\u4e2d\u5c0f\u578b\u90e8\u7f72\u7684\u9002\u7528\u6027\uff0c\u7279\u522b\u9002\u5408\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u7684\u5feb\u901f\u914d\u7f6e\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u901a\u8fc7\u4ee5\u4e0a7\u4e2a\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u5feb\u901f\u914d\u7f6eUFW\u9632\u706b\u5899\uff0c\u6709\u6548\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6f5c\u5728\u5a01\u80c1\u3002UFW\u7684\u76f4\u89c2\u547d\u4ee4\u548c\u7075\u6d3b\u89c4\u5219\u4f7f\u5176\u6210\u4e3a\u4e2d\u5c0f\u578b\u4f01\u4e1a\u548c\u6280\u672f\u4eba\u5458\u7684\u7406\u60f3\u9009\u62e9\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e\u7aef\u53e3\u3001IP\u5730\u5740\u548c\u670d\u52a1\u7684\u8bbf\u95ee\u89c4\u5219\uff0c\u7ed3\u5408\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u7684\u9ad8\u6027\u80fd\u7f51\u7edc\uff0c\u60a8\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u5b89\u5168\u3001\u9ad8\u6548\u7684\u670d\u52a1\u5668\u73af\u5883\uff0c\u6ee1\u8db3\u4ece\u7f51\u7ad9\u6258\u7ba1\u5230\u6570\u636e\u5e93\u7ba1\u7406\u7684\u5404\u79cd\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u5b89\u5168\u7684\u9632\u706b\u5899\u662f\u4fdd\u62a4\u6570\u636e\u548c\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u7684\u5173\u952e\u63aa\u65bd\u3002Ubuntu\u7684Uncomplic [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202646],"tags":[],"class_list":["post-441956","post","type-post","status-publish","format-standard","hentry","category-hkserver"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=441956"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441956\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=441956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=441956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=441956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}