{"id":135,"date":"2023-08-01T10:18:56","date_gmt":"2023-03-15T14:56:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8debian-11%e4%b8%8a%e4%bd%bf%e7%94%a8ufw%e9%85%8d%e7%bd%ae%e9%98%b2%e7%81%ab%e5%a2%99\/"},"modified":"2025-08-01T00:26:23","modified_gmt":"2025-07-31T16:26:23","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8debian-11%e4%b8%8a%e4%bd%bf%e7%94%a8ufw%e9%85%8d%e7%bd%ae%e9%98%b2%e7%81%ab%e5%a2%99","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8debian-11%e4%b8%8a%e4%bd%bf%e7%94%a8ufw%e9%85%8d%e7%bd%ae%e9%98%b2%e7%81%ab%e5%a2%99\/","title":{"rendered":"Debian 11\u9632\u706b\u5899\u914d\u7f6e\u7ec8\u6781\u6307\u5357\uff1aUFW\u4ece\u5165\u95e8\u5230\u7cbe\u901a"},"content":{"rendered":"

UFW\u5165\u95e8\uff1aDebian 11\u9632\u706b\u5899\u914d\u7f6e\u6307\u5357<\/h3>\n

UFW\uff08Uncomplicated Firewall\uff0c\u65e0\u590d\u6742\u9632\u706b\u5899\uff09\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u9632\u706b\u5899\u7ba1\u7406\u63a5\u53e3\uff0c\u5b83\u5de7\u5999\u5730\u9690\u85cf\u4e86\u5e95\u5c42\u6570\u636e\u5305\u8fc7\u6ee4\u6280\u672f\uff08\u5982iptables\u548cnftables\uff09\u7684\u590d\u6742\u6027\u3002\u5982\u679c\u60a8\u5e0c\u671b\u5f00\u59cb\u4fdd\u62a4\u60a8\u7684\u7f51\u7edc\uff0c\u4f46\u53c8\u4e0d\u786e\u5b9a\u5e94\u9009\u62e9\u54ea\u79cd\u5de5\u5177\uff0cUFW\u65e0\u7591\u662f\u60a8\u7684\u7406\u60f3\u4e4b\u9009\u3002<\/p>\n

\u672c\u6559\u7a0b\u5c06\u8be6\u7ec6\u6307\u5bfc\u60a8\u5982\u4f55\u5728Debian 11\u7cfb\u7edf\u4e0a\u4f7f\u7528UFW\u8bbe\u7f6e\u9632\u706b\u5899\u3002<\/p>\n

\u5148\u51b3\u6761\u4ef6<\/h2>\n

\u4e3a\u4e86\u987a\u5229\u5b8c\u6210\u672c\u6559\u7a0b\uff0c\u60a8\u9700\u8981\u4e00\u53f0\u8fd0\u884cDebian 11\u7684\u670d\u52a1\u5668\uff0c\u5e76\u62e5\u6709\u4e00\u4e2a\u5177\u5907sudo\u6743\u9650\u7684\u975eroot\u7528\u6237\u3002\u60a8\u53ef\u4ee5\u53c2\u8003\u300aDebian 11\u521d\u59cb\u670d\u52a1\u5668\u8bbe\u7f6e\u6559\u7a0b\u300b\u4e2d\u7684\u7b2c1\u81f33\u6b65\u6765\u5b8c\u6210\u8fd9\u4e9b\u8bbe\u7f6e\u3002<\/p>\n

\u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5UFW<\/h2>\n

Debian\u7cfb\u7edf\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5e76\u672a\u5b89\u88c5UFW\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u6309\u7167\u5b8c\u6574\u7684\u521d\u59cb\u670d\u52a1\u5668\u8bbe\u7f6e\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\uff0c\u90a3\u4e48UFW\u5e94\u8be5\u5df2\u7ecf\u5b89\u88c5\u5e76\u542f\u7528\u3002\u5982\u679c\u5c1a\u672a\u5b89\u88c5\uff0c\u8bf7\u7acb\u5373\u4f7f\u7528apt<\/code>\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n

sudo apt install ufw<\/code><\/pre>\n
\u60a8\u5c06\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8bbe\u7f6e\u5e76\u542f\u7528UFW\u9632\u706b\u5899\u3002<\/p>\n
\u7b2c\u4e8c\u6b65\uff1a\u914d\u7f6eUFW\u652f\u6301IPv6\uff08\u53ef\u9009\uff09<\/h2>\n
\u672c\u6559\u7a0b\u4e3b\u8981\u4ee5IPv4\u73af\u5883\u4e3a\u80cc\u666f\u7f16\u5199\uff0c\u4f46\u5982\u679c\u60a8\u7684\u7cfb\u7edf\u542f\u7528\u4e86IPv6\uff0c\u672c\u6559\u7a0b\u540c\u6837\u9002\u7528\u3002\u82e5\u60a8\u7684Debian\u670d\u52a1\u5668\u5df2\u542f\u7528IPv6\uff0c\u60a8\u9700\u8981\u786e\u4fddUFW\u4e5f\u914d\u7f6e\u4e3a\u652f\u6301IPv6\u3002\u8fd9\u5c06\u786e\u4fddUFW\u9664\u4e86\u7ba1\u7406IPv4\u9632\u706b\u5899\u89c4\u5219\u5916\uff0c\u4e5f\u80fd\u7ba1\u7406IPv6\u89c4\u5219\u3002\u8981\u8fdb\u884c\u6b64\u914d\u7f6e\uff0c\u8bf7\u4f7f\u7528nano<\/code>\u6216\u60a8\u504f\u597d\u7684\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00UFW\u7684\u914d\u7f6e\u6587\u4ef6\/etc\/default\/ufw<\/code>\u3002<\/p>\n
sudo nano \/etc\/default\/ufw<\/code><\/pre>\n
\u5728\u6587\u4ef6\u4e2d\u627e\u5230IPV6<\/code>\u8fd9\u4e00\u884c\uff0c\u5e76\u786e\u4fdd\u5176\u503c\u4e3ayes<\/code>\u3002<\/p>\n
\n
IPV6=yes<\/mark><\/code><\/pre>\n<\/div>\n
\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fnano<\/code>\uff0c\u8bf7\u6309\u4e0bCTRL+X<\/code>\uff0c\u7136\u540e\u6309\u4e0bY<\/code>\uff0c\u518d\u6309\u4e0b\u56de\u8f66\u952e\u4ee5\u4fdd\u5b58\u5e76\u9000\u51fa\u3002<\/p>\n
\u73b0\u5728\uff0c\u5f53UFW\u542f\u7528\u65f6\uff0c\u5b83\u5c06\u88ab\u914d\u7f6e\u4e3a\u540c\u65f6\u7f16\u5199IPv4\u548cIPv6\u9632\u706b\u5899\u89c4\u5219\u3002\u7136\u800c\uff0c\u5728\u542f\u7528UFW\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u9632\u706b\u5899\u5df2\u914d\u7f6e\u4e3a\u5141\u8bb8\u901a\u8fc7SSH\u8fde\u63a5\u3002<\/p>\n
\u7b2c\u4e09\u6b65\uff1a\u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565<\/h2>\n
\u5982\u679c\u60a8\u662f\u9996\u6b21\u914d\u7f6e\u9632\u706b\u5899\uff0c\u9996\u5148\u9700\u8981\u5b9a\u4e49\u7684\u662f\u9ed8\u8ba4\u7b56\u7565\u3002\u8fd9\u4e9b\u89c4\u5219\u7528\u4e8e\u5904\u7406\u90a3\u4e9b\u6ca1\u6709\u660e\u786e\u5339\u914d\u5176\u4ed6\u89c4\u5219\u7684\u6d41\u91cf\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cUFW\u8bbe\u7f6e\u4e3a\u62d2\u7edd\u6240\u6709\u4f20\u5165\u8fde\u63a5\u5e76\u5141\u8bb8\u6240\u6709\u4f20\u51fa\u8fde\u63a5\u3002\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u8bd5\u56fe\u8bbf\u95ee\u60a8\u670d\u52a1\u5668\u7684\u4eba\u90fd\u5c06\u65e0\u6cd5\u8fde\u63a5\uff0c\u800c\u670d\u52a1\u5668\u5185\u7684\u4efb\u4f55\u5e94\u7528\u7a0b\u5e8f\u90fd\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u4e16\u754c\u3002<\/p>\n
\u8bf7\u5c06\u60a8\u7684UFW\u89c4\u5219\u8bbe\u7f6e\u56de\u9ed8\u8ba4\u503c\uff0c\u4ee5\u786e\u4fdd\u60a8\u80fd\u591f\u6309\u7167\u672c\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u8bbe\u7f6eUFW\u7684\u9ed8\u8ba4\u503c\uff1a<\/p>\n
sudo ufw default deny incoming\r\nsudo ufw default allow outgoing<\/code><\/pre>\n
\u60a8\u5c06\u770b\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u7684\u8f93\u51fa\uff1a<\/p>\n
\n
Default incoming policy changed to 'deny' (be sure to update your rules accordingly)\r\nDefault outgoing policy changed to 'allow' (be sure to update your rules accordingly)<\/code><\/pre>\n<\/div>\n
\u8fd9\u4e9b\u547d\u4ee4\u5c06\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u62d2\u7edd\u4f20\u5165\u8fde\u63a5\u548c\u5141\u8bb8\u4f20\u51fa\u8fde\u63a5\u3002\u5bf9\u4e8e\u4e2a\u4eba\u7535\u8111\u800c\u8a00\uff0c\u8fd9\u4e9b\u9632\u706b\u5899\u9ed8\u8ba4\u8bbe\u7f6e\u53ef\u80fd\u5df2\u7ecf\u8db3\u591f\u4e86\uff0c\u4f46\u670d\u52a1\u5668\u901a\u5e38\u9700\u8981\u54cd\u5e94\u6765\u81ea\u5916\u90e8\u7528\u6237\u7684\u4f20\u5165\u8bf7\u6c42\u3002\u60a8\u5c06\u5728\u4e0b\u4e00\u6b65\u4e2d\u5f00\u59cb\u6b64\u8fc7\u7a0b\u3002<\/p>\n
\u7b2c\u56db\u6b65\uff1a\u5141\u8bb8SSH\u8fde\u63a5<\/h2>\n
\u7531\u4e8e\u542f\u7528UFW\u9632\u706b\u5899\u540e\u5c06\u62d2\u7edd\u6240\u6709\u4f20\u5165\u8fde\u63a5\uff0c\u5305\u62ec\u60a8\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u5c1d\u8bd5\uff0c\u56e0\u6b64\u60a8\u76ee\u524d\u65e0\u6cd5\u76f4\u63a5\u542f\u7528\u5b83\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u60a8\u5e0c\u671b\u670d\u52a1\u5668\u54cd\u5e94\u6b64\u7c7b\u8bf7\u6c42\uff0c\u60a8\u9700\u8981\u521b\u5efa\u660e\u786e\u5141\u8bb8\u5408\u6cd5\u4f20\u5165\u8fde\u63a5\u7684\u89c4\u5219\uff0c\u4f8b\u5982SSH\u6216HTTP\u8fde\u63a5\u3002\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528\u4e91\u670d\u52a1\u5668\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u5141\u8bb8\u4f20\u5165\u7684SSH\u8fde\u63a5\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u8fde\u63a5\u548c\u7ba1\u7406\u670d\u52a1\u5668\u3002<\/p>\n
\u8981\u914d\u7f6e\u670d\u52a1\u5668\u5141\u8bb8\u4f20\u5165SSH\u8fde\u63a5\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
sudo ufw allow ssh<\/code><\/pre>\n
\u8fd9\u5c06\u521b\u5efa\u9632\u706b\u5899\u89c4\u5219\uff0c\u5141\u8bb8\u6240\u6709\u8fde\u63a5\u5230\u7aef\u53e322\uff0c\u8be5\u7aef\u53e3\u662fSSH\u5b88\u62a4\u8fdb\u7a0b\u9ed8\u8ba4\u76d1\u542c\u7684\u7aef\u53e3\u3002UFW\u4e4b\u6240\u4ee5\u80fd\u591f\u8bc6\u522b\u5e76\u5141\u8bb8SSH\u8fde\u63a5\u7684\u7aef\u53e3\uff0c\u662f\u56e0\u4e3a\u5728\/etc\/services<\/code>\u6587\u4ef6\u4e2d\u5c06\u5176\u5217\u4e3a\u4e00\u9879\u670d\u52a1\u3002<\/p>\n
\u7136\u800c\uff0c\u60a8\u5b9e\u9645\u4e0a\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7aef\u53e3\u800c\u4e0d\u662f\u670d\u52a1\u540d\u79f0\u6765\u7f16\u5199\u7b49\u6548\u7684\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u4e0e\u4e0a\u8ff0\u547d\u4ee4\u4ea7\u751f\u76f8\u540c\u7684\u7ed3\u679c\uff1a<\/p>\n
sudo ufw allow 22<\/code><\/pre>\n
\u5982\u679c\u60a8\u914d\u7f6e\u4e86SSH\u5b88\u62a4\u7a0b\u5e8f\u4f7f\u7528\u4e0d\u540c\u7684\u7aef\u53e3\uff0c\u60a8\u5c06\u9700\u8981\u6307\u5b9a\u9002\u5f53\u7684\u7aef\u53e3\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684SSH\u670d\u52a1\u5668\u6b63\u5728\u76d1\u542c\u7aef\u53e32222\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u547d\u4ee4\uff0c\u4f46\u5c0622\u66ff\u6362\u4e3a2222\u3002<\/p>\n
\u65e2\u7136\u60a8\u7684\u9632\u706b\u5899\u5df2\u7ecf\u914d\u7f6e\u597d\u5141\u8bb8\u8fdb\u5165\u7684SSH\u8fde\u63a5\uff0c\u60a8\u5c31\u53ef\u4ee5\u542f\u7528\u5b83\u4e86\u3002<\/p>\n
\u7b2c\u4e94\u6b65\uff1a\u542f\u7528UFW<\/h2>\n
\u8981\u542f\u7528UFW\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
sudo ufw enable<\/code><\/pre>\n
\u60a8\u5c06\u6536\u5230\u4e00\u6761\u8b66\u544a\uff0c\u6307\u51fa\u8be5\u547d\u4ee4\u53ef\u80fd\u4f1a\u4e2d\u65ad\u73b0\u6709\u7684SSH\u8fde\u63a5\u3002\u7531\u4e8e\u60a8\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u5141\u8bb8SSH\u8fde\u63a5\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u60a8\u53ef\u4ee5\u7ee7\u7eed\u8fdb\u884c\u3002\u5728\u63d0\u793a\u65f6\u8f93\u5165y<\/code>\u5e76\u6309\u56de\u8f66\u952e\u3002<\/p>\n
\u9632\u706b\u5899\u73b0\u5df2\u6fc0\u6d3b\u3002\u8981\u67e5\u770b\u60a8\u8bbe\u7f6e\u7684\u89c4\u5219\uff0c\u8bf7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
sudo ufw status verbose<\/code><\/pre>\n
\u672c\u6559\u7a0b\u7684\u5176\u4f59\u90e8\u5206\u5c06\u66f4\u8be6\u7ec6\u5730\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528UFW\uff0c\u5305\u62ec\u5141\u8bb8\u548c\u62d2\u7edd\u4e0d\u540c\u7c7b\u578b\u7684\u8fde\u63a5\u3002<\/p>\n
\u7b2c\u516d\u6b65\uff1a\u5141\u8bb8\u5176\u4ed6\u8fde\u63a5<\/h2>\n
\u81f3\u6b64\uff0c\u60a8\u5e94\u8be5\u5141\u8bb8\u670d\u52a1\u5668\u6b63\u5e38\u8fd0\u884c\u6240\u9700\u7684\u6240\u6709\u5176\u4ed6\u8fde\u63a5\u3002\u60a8\u5e94\u8be5\u5141\u8bb8\u7684\u8fde\u63a5\u53d6\u51b3\u4e8e\u60a8\u7684\u5177\u4f53\u9700\u6c42\u3002\u60a8\u5df2\u7ecf\u77e5\u9053\u5982\u4f55\u7f16\u5199\u57fa\u4e8e\u670d\u52a1\u540d\u79f0\u6216\u7aef\u53e3\u5141\u8bb8\u8fde\u63a5\u7684\u89c4\u5219\uff1b\u60a8\u5df2\u7ecf\u5728\u7aef\u53e322\u4e0a\u4e3aSSH\u505a\u8fc7\u4e86\u8fd9\u4e00\u70b9\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u5728\u7aef\u53e380\u4e0a\u6267\u884c\u6b64\u64cd\u4f5c\uff0c\u8fd9\u662f\u672a\u52a0\u5bc6\u7684Web\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684\u7aef\u53e3\u3002\u8981\u5141\u8bb8\u8fd9\u79cd\u7c7b\u578b\u7684\u6d41\u91cf\uff0c\u60a8\u9700\u8981\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
sudo ufw allow http<\/code><\/pre>\n
\u60a8\u4e5f\u53ef\u4ee5\u5bf9HTTPS\u4f7f\u7528443\u7aef\u53e3\u8fdb\u884c\u6b64\u64cd\u4f5c\uff0c\u8fd9\u662f\u52a0\u5bc6\u7684Web\u670d\u52a1\u5668\u4f7f\u7528\u7684\u7aef\u53e3\u3002\u8981\u5141\u8bb8\u8fd9\u79cd\u7c7b\u578b\u7684\u6d41\u91cf\uff0c\u60a8\u9700\u8981\u8f93\u5165\uff1a<\/p>\n
sudo ufw allow https<\/code><\/pre>\n
\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u6307\u5b9a\u7aef\u53e3\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff0c\u5176\u4e2dHTTP\u7aef\u53e3\u662f80\uff0cHTTPS\u7aef\u53e3\u662f443\u3002\u4f8b\u5982\uff1a<\/p>\n
sudo ufw allow 80<\/code><\/pre>\n
\u9664\u4e86\u6307\u5b9a\u7aef\u53e3\u6216\u5df2\u77e5\u670d\u52a1\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5141\u8bb8\u8fde\u63a5\u3002\u4e0b\u9762\u5c06\u5bf9\u6b64\u8fdb\u884c\u8ba8\u8bba\u3002<\/p>\n
\u7279\u5b9a\u7aef\u53e3\u8303\u56f4<\/h3>\n
\u5728Debian 11\u4e0a\u4f7f\u7528UFW\u914d\u7f6e\u9632\u706b\u5899\uff1a\u9ad8\u7ea7\u89c4\u5219\u8bbe\u7f6e<\/h2>\n
\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728Debian 11\u4e0a\u4f7f\u7528UFW\u914d\u7f6e\u9632\u706b\u5899\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
\u6307\u5b9a\u7aef\u53e3\u8303\u56f4<\/h3>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528UFW\u6765\u6307\u5b9a\u7aef\u53e3\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u6709\u4e9b\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u591a\u4e2a\u7aef\u53e3\u800c\u4e0d\u662f\u4e00\u4e2a\u5355\u4e00\u7684\u7aef\u53e3\u3002<\/p>\n
\u4f8b\u5982\uff0c\u8981\u5141\u8bb8\u4f7f\u7528\u7aef\u53e36000-6007\u8fdb\u884cX11\u8fde\u63a5\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
    \r\n \t
  1. sudo<\/span> ufw allow 6000<\/span><\/mark>:6007<\/mark>\/tcp<\/li>\r\n \t
  2. sudo<\/span> ufw allow 6000<\/span><\/mark>:6007<\/mark>\/udp<\/li>\r\n<\/ol><\/code><\/pre>\n
    \u5f53\u4f7f\u7528UFW\u6307\u5b9a\u7aef\u53e3\u8303\u56f4\u65f6\uff0c\u60a8\u5fc5\u987b\u540c\u65f6\u6307\u5b9a\u89c4\u5219\u5e94\u7528\u7684\u534f\u8bae\uff08TCP\u6216UDP\uff09\u3002\u4e4b\u524d\u6ca1\u6709\u63d0\u5230\u8fd9\u4e00\u70b9\u662f\u56e0\u4e3a\u4e0d\u6307\u5b9a\u534f\u8bae\u4f1a\u81ea\u52a8\u5141\u8bb8\u4e24\u79cd\u534f\u8bae\uff0c\u8fd9\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u662f\u53ef\u884c\u7684\u3002<\/p>\n
    \u7279\u5b9aIP\u5730\u5740\u7684\u89c4\u5219<\/h3>\n
    \u5728\u4f7f\u7528UFW\u65f6\uff0c\u60a8\u8fd8\u53ef\u4ee5\u6307\u5b9aIP\u5730\u5740\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5141\u8bb8\u6765\u81ea\u7279\u5b9aIP\u5730\u5740\u7684\u8fde\u63a5\uff0c\u6bd4\u5982\u5de5\u4f5c\u6216\u5bb6\u5ead\u7684IP\u5730\u5740203.0.113.4<\/code>\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u201cfrom\u201d\u548c\u8be5IP\u5730\u5740\u3002<\/p>\n
      \r\n \t
    1. sudo<\/span> ufw allow from 203.0<\/span>.113.4<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n
      \u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5728\u4efb\u4f55\u7aef\u53e3\u540e\u9762\u6dfb\u52a0\u7aef\u53e3\u53f7\u6765\u6307\u5b9a\u5141\u8bb8\u8fde\u63a5\u7684IP\u5730\u5740\u7684\u7279\u5b9a\u7aef\u53e3\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5e0c\u671b\u5141\u8bb8203.0.113.4<\/code>\u8fde\u63a5\u523022\u53f7\u7aef\u53e3\uff08SSH\uff09\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
        \r\n \t
      1. sudo<\/span> ufw allow from 203.0<\/span>.113.4<\/mark> to any port 22<\/span><\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n
        \u5b50\u7f51\u89c4\u5219<\/h3>\n
        \u5982\u679c\u60a8\u60f3\u5141\u8bb8IP\u5730\u5740\u5b50\u7f51\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528CIDR\u8bb0\u6cd5\u6765\u6307\u5b9a\u5b50\u7f51\u63a9\u7801\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5141\u8bb8\u4ece203.0.113.1<\/code>\u5230203.0.113.254<\/code>\u7684\u6240\u6709IP\u5730\u5740\u8303\u56f4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
          \r\n \t
        1. sudo<\/span> ufw allow from 203.0<\/span>.113.0<\/mark>\/24<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n
          \u540c\u6837\uff0c\u60a8\u8fd8\u53ef\u4ee5\u6307\u5b9a\u5b50\u7f51203.0.113.0\/24<\/code>\u5141\u8bb8\u8fde\u63a5\u7684\u76ee\u6807\u7aef\u53e3\u3002\u4ee5\u7aef\u53e322\uff08SSH\uff09\u4e3a\u4f8b\uff1a<\/p>\n
            \r\n \t
          1. sudo<\/span> ufw allow from 203.0<\/span>.113.0<\/mark>\/24<\/mark> to any port 22<\/span><\/li>\r\n<\/ol><\/code><\/pre>\n
            \u4e0e\u7279\u5b9a\u7f51\u7edc\u63a5\u53e3\u7684\u8fde\u63a5<\/h3>\n
            \u5982\u679c\u60a8\u60f3\u521b\u5efa\u4e00\u4e2a\u4ec5\u9002\u7528\u4e8e\u7279\u5b9a\u7f51\u7edc\u63a5\u53e3\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u201c\u5141\u8bb8\u201d\u540e\u9762\u6307\u5b9a\u201cin on\u201d\u52a0\u4e0a\u7f51\u7edc\u63a5\u53e3\u7684\u540d\u79f0\u6765\u5b9e\u73b0\u3002<\/p>\n
            \u5728\u7ee7\u7eed\u4e4b\u524d\uff0c\u67e5\u770b\u60a8\u7684\u7f51\u7edc\u63a5\u53e3\u4f1a\u5f88\u6709\u5e2e\u52a9\u3002\u8981\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u8bf7\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u3002<\/p>\n
              \r\n \t
            1. ip<\/span> addr<\/li>\r\n<\/ol><\/code><\/pre>\n
              \u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n
              . . . \r\n2: eth0<\/mark>: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state . . .\r\n3: eth1<\/mark>: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default . . .\r\n<\/code><\/pre>\n
              \u9ad8\u4eae\u663e\u793a\u7684\u8f93\u51fa\u6307\u793a\u4e86\u7f51\u7edc\u63a5\u53e3\u7684\u540d\u79f0\u3002\u5b83\u4eec\u901a\u5e38\u6709\u50cfeth0<\/code>\u6216enp3s2<\/code>\u8fd9\u6837\u7684\u540d\u5b57\u3002<\/p>\n
              \u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u6709\u4e00\u4e2a\u540d\u4e3aeth0<\/code>\u7684\u516c\u5171\u7f51\u7edc\u63a5\u53e3\uff0c\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5141\u8bb8HTTP\u6d41\u91cf\u8bbf\u95ee\u5b83\u3002<\/p>\n
                \r\n \t
              1. sudo<\/span> ufw allow in<\/span> on eth0<\/mark> to any port 80<\/span><\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n
                \u8fd9\u6837\u505a\u53ef\u4ee5\u8ba9\u60a8\u7684\u670d\u52a1\u5668\u63a5\u6536\u6765\u81ea\u516c\u5171\u4e92\u8054\u7f51\u7684HTTP\u8bf7\u6c42\u3002<\/p>\n
                \u6216\u8005\uff0c\u5982\u679c\u60a8\u60f3\u8981\u4e00\u4e2aMySQL\u6570\u636e\u5e93\u670d\u52a1\u5668\uff08\u7aef\u53e33306\uff09\u5728\u79c1\u6709\u7f51\u7edc\u63a5\u53e3eth1<\/code>\u4e0a\u76d1\u542c\u8fde\u63a5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
                  \r\n \t
                1. sudo<\/span> ufw allow in<\/span> on eth1<\/mark> to any port 3306<\/span><\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n
                  \u8fd9\u5c06\u5141\u8bb8\u60a8\u79c1\u6709\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u670d\u52a1\u5668\u8fde\u63a5\u5230\u60a8\u7684MySQL\u6570\u636e\u5e93\u3002<\/p>\n
                  \u7b2c\u4e03\u6b65 – \u62d2\u7edd\u8fde\u63a5<\/h2>\n
                  \u5982\u679c\u60a8\u6ca1\u6709\u66f4\u6539\u4f20\u5165\u8fde\u63a5\u7684\u9ed8\u8ba4\u7b56\u7565\uff0c\u90a3\u4e48UFW\u5df2\u914d\u7f6e\u4e3a\u62d2\u7edd\u6240\u6709\u4f20\u5165\u8fde\u63a5\u3002\u901a\u5e38\uff0c\u8fd9\u7b80\u5316\u4e86\u521b\u5efa\u5b89\u5168\u9632\u706b\u5899\u7b56\u7565\u7684\u8fc7\u7a0b\uff0c\u56e0\u4e3a\u60a8\u9700\u8981\u660e\u786e\u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u548cIP\u5730\u5740\u901a\u8fc7\u7684\u89c4\u5219\u3002<\/p>\n
                  \u6709\u65f6\u5019\u60a8\u53ef\u80fd\u4f1a\u57fa\u4e8e\u6e90IP\u5730\u5740\u6216\u5b50\u7f51\u6765\u62d2\u7edd\u7279\u5b9a\u7684\u8fde\u63a5\uff0c\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3a\u60a8\u77e5\u9053\u60a8\u7684\u670d\u52a1\u5668\u6b63\u5728\u53d7\u5230\u8be5\u5730\u533a\u7684\u653b\u51fb\u3002\u53e6\u5916\uff0c\u5982\u679c\u60a8\u60f3\u6539\u53d8\u9ed8\u8ba4\u7684\u4f20\u5165\u7b56\u7565\u4e3a\u5141\u8bb8\uff08\u5c3d\u7ba1\u4e0d\u63a8\u8350\uff09\uff0c\u60a8\u9700\u8981\u4e3a\u4efb\u4f55\u4e0d\u60f3\u5141\u8bb8\u8fde\u63a5\u7684\u670d\u52a1\u6216IP\u5730\u5740\u521b\u5efa\u62d2\u7edd\u89c4\u5219\u3002<\/p>\n
                  \u8981\u7f16\u5199\u62d2\u7edd\u89c4\u5219\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u9762\u63cf\u8ff0\u7684\u547d\u4ee4\uff0c\u5c06allow<\/code>\u66ff\u6362\u4e3adeny<\/code>\u3002<\/p>\n
                  \u4f8b\u5982\uff0c\u8981\u62d2\u7eddHTTP\u8fde\u63a5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
                    \r\n \t
                  1. sudo<\/span> ufw deny http<\/li>\r\n<\/ol><\/code><\/pre>\n
                    \u5982\u679c\u60a8\u60f3\u62d2\u7edd\u6765\u81ea203.0.113.4<\/code>\u7684\u6240\u6709\u8fde\u63a5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
                      \r\n \t
                    1. sudo<\/span> ufw deny from 203.0<\/span>.113.4<\/mark><\/li>\r\n<\/ol><\/code><\/pre>\n
                      \u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u5b66\u4e60\u5982\u4f55\u5b9e\u65bd\u5220\u9664\u89c4\u5219\u3002<\/p>\n
                      \u7b2c\u516b\u6b65 \u2014 \u5220\u9664\u89c4\u5219<\/h2>\n
                      \u77e5\u9053\u5982\u4f55\u5220\u9664\u9632\u706b\u5899\u89c4\u5219\u548c\u77e5\u9053\u5982\u4f55\u521b\u5efa\u89c4\u5219\u4e00\u6837\u91cd\u8981\u3002\u53ef\u4ee5\u901a\u8fc7\u89c4\u5219\u7f16\u53f7\u6216\u89c4\u5219\u672c\u8eab\u6765\u6307\u5b9a\u8981\u5220\u9664\u7684\u89c4\u5219\uff0c\u8fd9\u4e0e\u521b\u5efa\u89c4\u5219\u65f6\u7684\u6307\u5b9a\u65b9\u5f0f\u7c7b\u4f3c\u3002<\/p>\n
                      \u6839\u636e\u89c4\u5219\u7f16\u53f7\u5220\u9664<\/h3>\n
                      \u5220\u9664\u9632\u706b\u5899\u89c4\u5219<\/h3>\n
                      \u5982\u679c\u60a8\u8981\u4f7f\u7528\u89c4\u5219\u7f16\u53f7\u5220\u9664\u9632\u706b\u5899\u89c4\u5219\uff0c\u9996\u5148\u8981\u505a\u7684\u662f\u83b7\u53d6\u9632\u706b\u5899\u89c4\u5219\u5217\u8868\u3002UFW \u72b6\u6001\u547d\u4ee4\u6709 numbered<\/code> \u9009\u9879\uff0c\u53ef\u4ee5\u5728\u6bcf\u4e2a\u89c4\u5219\u65c1\u8fb9\u663e\u793a\u6570\u5b57\u3002<\/p>\n
                      sudo ufw status numbered<\/code><\/pre>\n
                      \u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n
                      Status: active\r\nTo                         Action      From\r\n--                         ------      ----\r\n[ 1] 22                         ALLOW IN    15.15.15.0\/24\r\n[ 2] 80                         ALLOW IN    Anywhere<\/code><\/pre>\n
                      \u5982\u679c\u60a8\u51b3\u5b9a\u8981\u5220\u9664\u89c4\u5219 2\uff0c\u5373\u5141\u8bb8\u7aef\u53e3 80 \u4e0a\u7684 HTTP \u8fde\u63a5\u7684\u89c4\u5219\uff0c\u60a8\u53ef\u4ee5\u5728\u4e0b\u9762\u7684 UFW \u5220\u9664\u547d\u4ee4\u4e2d\u6307\u5b9a\u3002<\/p>\n
                      sudo ufw delete 2<\/code><\/pre>\n
                      \u8fd9\u5c06\u663e\u793a\u4e00\u4e2a\u786e\u8ba4\u7a97\u53e3\uff0c\u60a8\u53ef\u4ee5\u8f93\u5165 y<\/code> \u6216 n<\/code> \u8fdb\u884c\u56de\u7b54\u3002\u8f93\u5165 y<\/code> \u5c06\u5220\u9664\u89c4\u5219 2\u3002\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u60a8\u542f\u7528\u4e86 IPv6\uff0c\u60a8\u4e5f\u9700\u8981\u5220\u9664\u76f8\u5e94\u7684 IPv6 \u89c4\u5219\u3002<\/p>\n
                      \u901a\u8fc7\u6307\u5b9a\u5b9e\u9645\u89c4\u5219\u5220\u9664<\/h4>\n
                      \u5220\u9664\u89c4\u5219\u53f7\u7684\u66ff\u4ee3\u65b9\u6848\u662f\u6307\u5b9a\u8981\u5220\u9664\u7684\u5b9e\u9645\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5220\u9664\u5141\u8bb8 HTTP \u7684\u89c4\u5219\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n
                      sudo ufw delete allow http<\/code><\/pre>\n
                      \u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u201c\u5141\u8bb8 80\u201d\u6765\u6307\u5b9a\u89c4\u5219\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u670d\u52a1\u540d\u79f0\u3002<\/p>\n
                      sudo ufw delete allow 80<\/code><\/pre>\n
                      \u5982\u679c\u5b58\u5728 IPv4 \u548c IPv6 \u89c4\u5219\uff0c\u8be5\u65b9\u6cd5\u5c06\u540c\u65f6\u5220\u9664\u5b83\u4eec\u3002<\/p>\n
                      \u7b2c\u4e5d\u6b65 \u2014 \u68c0\u67e5 UFW \u72b6\u6001\u548c\u89c4\u5219<\/h2>\n
                      \u4efb\u4f55\u65f6\u5019\uff0c\u60a8\u90fd\u53ef\u4ee5\u4f7f\u7528\u6b64\u547d\u4ee4\u68c0\u67e5 UFW \u7684\u72b6\u6001\u3002<\/p>\n
                      sudo ufw status verbose<\/code><\/pre>\n
                      \u5982\u679c UFW \u88ab\u7981\u7528\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff09\uff0c\u8f93\u51fa\u5c06\u4e3a\uff1a<\/p>\n
                      Status: inactive<\/code><\/pre>\n
                      \u5982\u679c UFW \u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\uff08\u5982\u679c\u60a8\u6309\u7167\u7b2c\u4e09\u6b65\u8fdb\u884c\u64cd\u4f5c\uff0c\u5219\u4f1a\u662f\u8fd9\u79cd\u60c5\u51b5\uff09\uff0c\u8f93\u51fa\u7ed3\u679c\u5c06\u663e\u793a\u5b83\u6b63\u5728\u8fd0\u884c\u5e76\u5217\u51fa\u60a8\u6240\u8bbe\u7f6e\u7684\u4efb\u4f55\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9632\u706b\u5899\u8bbe\u7f6e\u4e3a\u5141\u8bb8\u4ece\u4efb\u4f55\u5730\u65b9\u8fdb\u884c SSH\uff08\u7aef\u53e3 22\uff09\u8fde\u63a5\uff0c\u8f93\u51fa\u7ed3\u679c\u53ef\u80fd\u4f1a\u5305\u542b\u7c7b\u4f3c\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
                      Status: active\r\nTo                         Action      From\r\n--                         ------      ----\r\n22\/tcp                     ALLOW IN    Anywhere<\/code><\/pre>\n
                      \u5982\u679c\u60a8\u60f3\u8981\u67e5\u770b UFW \u5982\u4f55\u914d\u7f6e\u9632\u706b\u5899\uff0c\u8bf7\u4f7f\u7528 status<\/code> \u547d\u4ee4\u3002<\/p>\n
                      \u7b2c\u5341\u6b65 – \u7981\u7528\u6216\u91cd\u7f6e UFW\uff08\u53ef\u9009\uff09<\/h2>\n
                      \u5982\u679c\u60a8\u51b3\u5b9a\u4e0d\u60f3\u4f7f\u7528 UFW\uff0c\u60a8\u53ef\u4ee5\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u7981\u7528\u5b83\u3002<\/p>\n
                      sudo ufw disable<\/code><\/pre>\n
                      \u5982\u679c\u60a8\u4f7f\u7528 UFW \u521b\u5efa\u4e86\u4efb\u4f55\u89c4\u5219\uff0c\u5b83\u4eec\u5c06\u4e0d\u518d\u751f\u6548\u3002\u5982\u679c\u60a8\u7a0d\u540e\u9700\u8981\u6fc0\u6d3b\u5b83\uff0c\u60a8\u53ef\u4ee5\u968f\u65f6\u8fd0\u884c sudo ufw enable<\/code>\u3002<\/p>\n
                      \u5982\u679c\u60a8\u5df2\u7ecf\u914d\u7f6e\u4e86 UFW \u89c4\u5219\uff0c\u4f46\u51b3\u5b9a\u91cd\u65b0\u5f00\u59cb\uff0c\u53ef\u4ee5\u4f7f\u7528 reset<\/code> \u547d\u4ee4\uff1a<\/p>\n
                      sudo ufw reset<\/code><\/pre>\n
                      \u8fd9\u5c06\u7981\u7528 UFW \u5e76\u5220\u9664\u60a8\u4e4b\u524d\u5b9a\u4e49\u7684\u6240\u6709\u89c4\u5219\u3002\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u60a8\u5728\u4efb\u4f55\u65f6\u5019\u4fee\u6539\u4e86\u9ed8\u8ba4\u7b56\u7565\uff0c\u5219\u5176\u539f\u59cb\u8bbe\u7f6e\u4e0d\u4f1a\u6062\u590d\u3002\u8fd9\u5c06\u8ba9\u60a8\u4ee5\u5168\u65b0\u7684\u72b6\u6001\u5f00\u59cb\u4f7f\u7528 UFW\u3002<\/p>\n
                      \u7ed3\u8bba<\/h2>\n
                      \u60a8\u7684\u9632\u706b\u5899\u73b0\u5728\u5df2\u7ecf\u914d\u7f6e\u597d\u5141\u8bb8\uff08\u81f3\u5c11\uff09SSH \u8fde\u63a5\u3002\u8bf7\u786e\u4fdd\u5141\u8bb8\u670d\u52a1\u5668\u6240\u9700\u7684\u5176\u4ed6\u6240\u6709\u4f20\u5165\u8fde\u63a5\uff0c\u540c\u65f6\u9650\u5236\u4e0d\u5fc5\u8981\u7684\u8fde\u63a5\u3002\u8fd9\u5c06\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u65e2\u529f\u80fd\u6b63\u5e38\u53c8\u5b89\u5168\u3002<\/p>\n
                      \u8981\u4e86\u89e3\u66f4\u591a\u5e38\u89c1\u7684 UFW \u914d\u7f6e\uff0c\u8bf7\u53c2\u9605\u300aUFW \u5165\u95e8\uff1a\u5e38\u89c1\u9632\u706b\u5899\u89c4\u5219\u548c\u547d\u4ee4\u300b\u6559\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                      UFW\u5165\u95e8\uff1aDebian 11\u9632\u706b\u5899\u914d\u7f6e\u6307\u5357 UFW\uff08Uncomplicated Firewall\uff0c\u65e0\u590d\u6742\u9632\u706b […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[338,524,374,214,607],"class_list":["post-135","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-debian-11","tag-linux","tag-ufw","tag-214","tag-607"],"yoast_head":"\nDebian 11\u9632\u706b\u5899\u914d\u7f6e\u7ec8\u6781\u6307\u5357\uff1aUFW\u4ece\u5165\u95e8\u5230\u7cbe\u901a - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6307\u5357\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Debian 11\u7cfb\u7edf\u4e0a\u4f7f\u7528UFW\uff08\u7b80\u5355\u9632\u706b\u5899\uff09\u5de5\u5177\u8fdb\u884c\u9ad8\u6548\u7684\u9632\u706b\u5899\u914d\u7f6e\u3002\u4ece\u5b89\u88c5\u5230\u9ad8\u7ea7\u89c4\u5219\u8bbe\u7f6e\uff0c\u5168\u9762\u63d0\u5347\u60a8\u7684\u670d\u52a1\u5668\u5b89\u5168\u6027\uff0c\u4fdd\u62a4\u6570\u636e\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5982\u4f55\u5728debian-11\u4e0a\u4f7f\u7528ufw\u914d\u7f6e\u9632\u706b\u5899\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Debian 11\u9632\u706b\u5899\u914d\u7f6e\u7ec8\u6781\u6307\u5357\uff1aUFW\u4ece\u5165\u95e8\u5230\u7cbe\u901a\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6307\u5357\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Debian 11\u7cfb\u7edf\u4e0a\u4f7f\u7528UFW\uff08\u7b80\u5355\u9632\u706b\u5899\uff09\u5de5\u5177\u8fdb\u884c\u9ad8\u6548\u7684\u9632\u706b\u5899\u914d\u7f6e\u3002\u4ece\u5b89\u88c5\u5230\u9ad8\u7ea7\u89c4\u5219\u8bbe\u7f6e\uff0c\u5168\u9762\u63d0\u5347\u60a8\u7684\u670d\u52a1\u5668\u5b89\u5168\u6027\uff0c\u4fdd\u62a4\u6570\u636e\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5982\u4f55\u5728debian-11\u4e0a\u4f7f\u7528ufw\u914d\u7f6e\u9632\u706b\u5899\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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