{"id":209338,"date":"2025-09-30T08:30:35","date_gmt":"2025-09-30T00:30:35","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209338\/"},"modified":"2025-09-30T08:30:36","modified_gmt":"2025-09-30T00:30:36","slug":"vps-ufw-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209338\/","title":{"rendered":"\u9999\u6e2fVPS\u5b9e\u6218\uff1a\u7528 ufw \u6253\u9020\u9ad8\u7ea7\u5b89\u5168\u7ec4\uff0c\u5168\u9762\u5f3a\u5316\u670d\u52a1\u5668\u9632\u62a4"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u5355\u9760\u4e3b\u673a\u81ea\u8eab\u7684\u5b89\u5168\u7b56\u7565\u5df2\u96be\u4ee5\u5b8c\u5168\u62b5\u5fa1\u4e0d\u65ad\u6f14\u8fdb\u7684\u653b\u51fb\u624b\u6cd5\u3002\u5bf9\u4e8e\u8fd0\u884c\u5728\u9999\u6e2f\u8282\u70b9\u6216\u6d77\u5916\u673a\u623f\u7684\u4e91\u4e3b\u673a\uff0c\u5c24\u5176\u662f\u9762\u5411\u516c\u7f51\u63d0\u4f9b\u670d\u52a1\u7684\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS 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nftables\uff08\u53d6\u51b3\u4e8e\u5185\u6838\u53ca\u7cfb\u7edf\u7248\u672c\uff09\uff0c\u4f46\u63d0\u4f9b\u4e86\u66f4\u76f4\u89c2\u7684\u547d\u4ee4\u4e0e\u914d\u7f6e\u65b9\u5f0f\u3002\u5bf9\u6bd4\u76f4\u63a5\u4f7f\u7528 iptables \u6216\u4f7f\u7528\u4e91\u63d0\u4f9b\u7684\u5b89\u5168\u7ec4\uff0cufw \u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li><strong>\u6613\u7528\u4e14\u53ef\u5ba1\u8ba1\uff1a<\/strong>\u8bed\u6cd5\u7b80\u5355\uff0c\u89c4\u5219\u4ee5\u6587\u672c\u6587\u4ef6\u4fdd\u5b58\uff0c\u65b9\u4fbf\u7248\u672c\u63a7\u5236\u4e0e\u5ba1\u8ba1\u3002<\/li>\n<li><strong>\u4e3b\u673a\u7ea7\u4e0e\u5e94\u7528\u7ea7\u8054\u52a8\uff1a<\/strong>\u53ef\u4ee5\u4e0e fail2ban\u3001Docker\u3001nginx \u7b49\u7ec4\u4ef6\u914d\u5408\uff0c\u5f62\u6210\u591a\u5c42\u9632\u5fa1\u3002<\/li>\n<li><strong>\u652f\u6301 IPv6\uff1a<\/strong>\u5728\u542f\u7528\u4e86 IPv6 \u7684\u9999\u6e2fVPS \u6216\u7f8e\u56fd\u670d\u52a1\u5668\u4e0a\uff0cufw \u80fd\u540c\u65f6\u7ba1\u7406 IPv4\/IPv6 \u6d41\u91cf\u3002<\/li>\n<li><strong>\u5feb\u901f\u56de\u6eda\u4e0e\u5b89\u5168\u9ed8\u8ba4\uff1a<\/strong>\u9ed8\u8ba4\u62d2\u7edd\u5165\u7ad9\uff0c\u5141\u8bb8\u51fa\u7ad9\uff0c\u964d\u4f4e\u8bef\u914d\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h3>\u9002\u7528\u573a\u666f<\/h3>\n<ul>\n<li>\u9762\u5411\u516c\u7f51\u7684 Web \u670d\u52a1\uff08nginx\/Apache\uff09\u90e8\u7f72\u5728\u9999\u6e2fVPS\uff0c\u5e0c\u671b\u5728\u4e3b\u673a\u7aef\u8fdb\u4e00\u6b65\u9650\u5236\u8bbf\u95ee\u6e90\u3002<\/li>\n<li>\u591a\u79df\u6237\u5e94\u7528\u6216\u79c1\u6709\u670d\u52a1\u9700\u8981\u7ec6\u5316\u7aef\u53e3\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n<li>\u4e0e\u4e91\u7aef\u5b89\u5168\u7ec4\u8054\u5408\u4f7f\u7528\uff0c\u5f62\u6210\u201c\u7f51\u7edc\u5c42 + \u4e3b\u673a\u5c42\u201d\u53cc\u91cd\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h2>ufw \u6838\u5fc3\u539f\u7406\u4e0e\u914d\u7f6e\u673a\u5236<\/h2>\n<p>ufw \u672c\u8d28\u4e0a\u662f\u5bf9\u5185\u6838 netfilter \u7684\u4e00\u4e2a\u7ba1\u7406\u5c42\u3002\u5176\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e \/etc\/ufw\/ufw.conf \u4e0e \/etc\/ufw\/before.rules\u3001\/etc\/ufw\/after.rules \u7b49\u3002\u4e3b\u8981\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/p>\n<ul>\n<li>\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\uff0cufw \u5c06\u751f\u6210\u5bf9\u5e94\u7684 iptables\/nftables \u89c4\u5219\u94fe\u5e76\u52a0\u8f7d\u5230\u5185\u6838\u3002<\/li>\n<li>\u5165\u7ad9\u4e0e\u51fa\u7ad9\u89c4\u5219\u6309\u987a\u5e8f\u5339\u914d\uff0c\u9ed8\u8ba4\u7b56\u7565\u901a\u5e38\u4e3a\u62d2\u7edd\u5165\u7ad9\uff08deny incoming\uff09\u3001\u5141\u8bb8\u51fa\u7ad9\uff08allow outgoing\uff09\u3002<\/li>\n<li>\u652f\u6301\u57fa\u4e8e\u7aef\u53e3\u3001\u534f\u8bae\u3001IP\u3001\u5b50\u7f51\u7684\u89c4\u5219\uff0c\u5e76\u53ef\u901a\u8fc7\u201c\u5e94\u7528\u914d\u7f6e\u6587\u4ef6\u201d\u7b80\u5316\u5bf9\u590d\u6742\u670d\u52a1\u7684\u89c4\u5219\u7ba1\u7406\uff08\/etc\/ufw\/applications.d\uff09\u3002<\/li>\n<\/ul>\n<h3>\u91cd\u8981\u914d\u7f6e\u6587\u4ef6\u8bf4\u660e<\/h3>\n<ul>\n<li>\/etc\/ufw\/ufw.conf\uff1a\u5f00\u5173\u4e0e\u57fa\u672c\u53c2\u6570\u3002<\/li>\n<li>\/etc\/ufw\/before.rules\uff1a\u5728 ufw \u89c4\u5219\u524d\u8fd0\u884c\u7684\u81ea\u5b9a\u4e49 iptables \u89c4\u5219\uff08\u9002\u5408 DNAT\u3001\u7279\u6b8a\u94fe\uff09\u3002<\/li>\n<li>\/etc\/ufw\/after.rules\uff1a\u5728 ufw \u89c4\u5219\u540e\u8fd0\u884c\uff08\u9002\u5408\u6d41\u91cf\u8ba1\u6570\u3001\u989d\u5916 log\uff09\u3002<\/li>\n<li>\/etc\/ufw\/applications.d\/\uff1a\u653e\u7f6e\u5e38\u7528\u670d\u52a1\u7684\u89c4\u5219\u6a21\u677f\uff0c\u5982 OpenSSH\u3001Nginx \u7b49\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\uff1a\u6253\u9020\u9ad8\u7ea7\u5b89\u5168\u7ec4\uff08\u5206\u5c42\u3001\u7ec6\u5316\u3001\u53ef\u6062\u590d\uff09<\/h2>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e00\u5957\u751f\u4ea7\u73af\u5883\u9002\u7528\u7684\u5b9e\u6218\u6b65\u9aa4\uff0c\u9002\u7528\u4e8e\u90e8\u7f72\u5728\u9999\u6e2fVPS \u6216\u7f8e\u56fdVPS \u7684 Linux \u670d\u52a1\u5668\u3002<\/p>\n<h3>1. \u57fa\u7840\u7b56\u7565\u4e0e\u786c\u5316<\/h3>\n<ul>\n<li>\u542f\u7528\u5e76\u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565\uff1a\n<pre>ufw default deny incoming\nufw default allow outgoing<\/pre>\n<\/li>\n<li>\u53ea\u5f00\u653e\u5fc5\u8981\u7aef\u53e3\uff0c\u4f8b\u5982 SSH\uff0822 \u6216\u81ea\u5b9a\u4e49\u7aef\u53e3\uff09\u3001HTTP\uff0880\uff09\u3001HTTPS\uff08443\uff09\uff1a\n<pre>ufw allow 22\/tcp\nufw allow 80\/tcp\nufw allow 443\/tcp<\/pre>\n<p>    \u5efa\u8bae\u5c06 SSH \u6539\u4e3a\u975e\u6807\u51c6\u7aef\u53e3\uff0c\u5e76\u7ed3\u5408\u516c\u94a5\u8ba4\u8bc1\uff0c\u7981\u6b62\u5bc6\u7801\u767b\u5f55\u3002<\/li>\n<li>\u542f\u7528 ufw \u65e5\u5fd7\u4ee5\u4fbf\u5ba1\u8ba1\uff1a\n<pre>ufw logging on<\/pre>\n<p>    \u65e5\u5fd7\u7b49\u7ea7\u53ef\u8c03\u4e3a low\/medium\/high\uff0c\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u521d\u671f\u5f00\u542f medium \u4ee5\u4fbf\u89c2\u5bdf\u653b\u51fb\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<h3>2. \u767d\u540d\u5355\u4e0e\u7ba1\u7406\u7f51\u6bb5<\/h3>\n<ul>\n<li>\u5c06\u53ef\u4fe1\u7ba1\u7406\u5730\u5740\uff08\u516c\u53f8\u529e\u516c\u5ba4 IP\u3001\u8fd0\u7ef4 VPN\uff09\u52a0\u5165\u767d\u540d\u5355\uff1a\n<pre>ufw allow from 203.0.113.0\/24 to any port 22<\/pre>\n<p>    \u5bf9\u4e8e\u9891\u7e41\u53d8\u52a8\u7684\u8fdc\u7a0b\u7ba1\u7406\uff0c\u5efa\u8bae\u4f7f\u7528 VPN \u6216 bastion host\uff0c\u907f\u514d\u76f4\u63a5\u66b4\u9732 SSH\u3002<\/li>\n<\/ul>\n<h3>3. \u9632\u6b62\u66b4\u529b\u7834\u89e3\uff1a\u9650\u901f\u4e0e\u7ed3\u5408 fail2ban<\/h3>\n<ul>\n<li>\u4f7f\u7528 ufw \u539f\u751f\u7684 limit \u6307\u4ee4\u9632\u6b62\u901f\u7387\u653b\u51fb\uff1a\n<pre>ufw limit ssh\/tcp<\/pre>\n<p>    \u8be5\u89c4\u5219\u4f1a\u5728\u77ed\u65f6\u95f4\u5185\u5bf9\u91cd\u590d\u8fde\u63a5\u6e90 IP \u9650\u5236\u3002<\/li>\n<li>\u7ed3\u5408 fail2ban\uff1a\u5728 \/etc\/fail2ban\/jail.local \u4e2d\u914d\u7f6e sshd\u3001nginx \u7b49 filter\uff0c\u5b9e\u73b0\u57fa\u4e8e\u65e5\u5fd7\u7684\u81ea\u52a8\u5c01\u7981\uff0c\u5c01\u7981\u7b56\u7565\u4e0e ufw \u8054\u52a8\uff08fail2ban \u53ef\u76f4\u63a5\u6267\u884c ufw \u547d\u4ee4\u8fdb\u884c\u5c01\u7981\uff09\u3002<\/li>\n<\/ul>\n<h3>4. IPv6 \u4e0e\u591a\u7f51\u5361\u573a\u666f\u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li>\u82e5 VPS \u63d0\u4f9b IPv6\uff0c\u786e\u4fdd ufw \u914d\u7f6e\u4e2d\u542f\u7528 IPv6\uff08\/etc\/ufw\/ufw.conf \u4e2d IPV6=yes\uff09\u3002\u540c\u65f6\u4e3a IPv6 \u5355\u72ec\u5236\u5b9a\u89c4\u5219\u3002<\/li>\n<li>\u591a\u7f51\u5361\u6216\u6865\u63a5\u573a\u666f\uff08\u5982 KVM + Docker\uff09\u8981\u6ce8\u610f\u94fe\u8def\u8f6c\u53d1\u4e0e ip_forward\uff0c\u5fc5\u8981\u65f6\u5728 before.rules \u4e2d\u52a0\u5165\u81ea\u5b9a\u4e49 NF \u89c4\u5219\uff0c\u4ee5\u907f\u514d\u4e22\u5931\u539f\u59cb\u8fde\u63a5\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h3>5. \u4e0e\u5bb9\u5668\uff08Docker\uff09\u5171\u5b58\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n<ul>\n<li>Docker \u9ed8\u8ba4\u4f1a\u76f4\u63a5\u64cd\u4f5c iptables\uff0c\u53ef\u80fd\u7ed5\u8fc7 ufw\u3002\u89e3\u51b3\u65b9\u5f0f\uff1a\n<ul>\n<li>\u5728 \/etc\/docker\/daemon.json \u4e2d\u8bbe\u7f6e &#8220;iptables&#8221;: false\uff0c\u7136\u540e\u7531 ufw\/\u7cfb\u7edf\u7ba1\u7406\u5458\u81ea\u884c\u7ef4\u62a4\u8f6c\u53d1\u89c4\u5219\uff1b\u6216<\/li>\n<li>\u8ba9 Docker \u4fdd\u6301\u9ed8\u8ba4\u884c\u4e3a\uff0c\u4f46\u5728 ufw.before \u4e2d\u6dfb\u52a0\u76f8\u5e94\u7684 DOCKER-USER \u94fe\u89c4\u5219\u8fdb\u884c\u7edf\u4e00\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>6. \u9ad8\u7ea7\u7b56\u7565\uff1a\u7b56\u7565\u5206\u5c42\u4e0e\u6700\u5c0f\u6743\u9650<\/h3>\n<ul>\n<li>\u5206\u5c42\u8bbe\u8ba1\uff1a\u4e91\u7aef\uff08\u4f8b\u5982\u4e91\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u7ec4\uff09\u8d1f\u8d23\u7c97\u7c92\u5ea6\u3001\u5730\u57df\/\u7aef\u53e3\u8fc7\u6ee4\uff1bufw \u8d1f\u8d23\u4e3b\u673a\u7c92\u5ea6\u63a7\u5236\u4e0e\u7b56\u7565\u6821\u9a8c\u3002<\/li>\n<li>\u6309\u670d\u52a1\u5206\u914d\u89c4\u5219\u6587\u4ef6\uff1a\u5c06\u5e38\u7528\u670d\u52a1\u5199\u5165 \/etc\/ufw\/applications.d\uff0c\u81ea\u5b9a\u4e49\u597d\u63cf\u8ff0\uff0c\u4fbf\u4e8e\u56e2\u961f\u534f\u4f5c\u3002<\/li>\n<li>\u91c7\u7528\u201c\u6700\u5c0f\u6743\u9650\u201d\u539f\u5219\uff0c\u4ec5\u5141\u8bb8\u5fc5\u8981\u6e90\/\u7aef\u53e3\u3002\u5bf9\u5916\u5f00\u653e\u7684 API\u3001\u7ba1\u7406\u9762\u677f\u5e94\u52a0\u4e0a IP \u767d\u540d\u5355\u6216\u5e94\u7528\u5c42\u9274\u6743\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1aufw vs iptables vs \u4e91\u5b89\u5168\u7ec4 vs nftables<\/h2>\n<p>\u9009\u62e9\u54ea\u79cd\u9632\u62a4\u624b\u6bb5\u53d6\u51b3\u4e8e\u8fd0\u7ef4\u4e60\u60ef\u4e0e\u573a\u666f\uff1a<\/p>\n<ul>\n<li><strong>ufw<\/strong>\uff1a\u6613\u7528\u6027\u4f73\uff0c\u9002\u5408\u4e2d\u5c0f\u578b\u670d\u52a1\u6216\u9700\u8981\u5feb\u901f\u90e8\u7f72\u89c4\u5219\u7684\u56e2\u961f\uff1b\u4fbf\u4e8e\u4e0e fail2ban \u96c6\u6210\u3002<\/li>\n<li><strong>iptables<\/strong>\uff1a\u6700\u539f\u751f\u3001\u6700\u7075\u6d3b\uff0c\u9002\u5408\u590d\u6742\u7b56\u7565\uff0c\u4f46\u914d\u7f6e\u4e0e\u7ef4\u62a4\u95e8\u69db\u9ad8\u3002<\/li>\n<li><strong>nftables<\/strong>\uff1a\u73b0\u4ee3\u66ff\u4ee3\u65b9\u6848\uff0c\u6027\u80fd\u4e0e\u53ef\u7ef4\u62a4\u6027\u66f4\u597d\uff0c\u4f46\u751f\u6001\u548c\u5de5\u5177\u94fe\u4ecd\u5728\u6f14\u8fdb\u3002<\/li>\n<li><strong>\u4e91\u5b89\u5168\u7ec4\uff08\u4e91\u9632\u706b\u5899\uff09<\/strong>\uff1a\u5728\u7f51\u7edc\u8fb9\u754c\u63d0\u4f9b\u7b2c\u4e00\u9053\u9632\u7ebf\uff0c\u9002\u5408\u505a\u7c97\u7c92\u5ea6\u8bbf\u95ee\u63a7\u5236\uff1b\u4f46\u4e0d\u80fd\u66ff\u4ee3\u4e3b\u673a\u7ea7\u9632\u62a4\uff0c\u4e8c\u8005\u5efa\u8bae\u8054\u5408\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<p>\u7efc\u4e0a\uff0c\u63a8\u8350\u5728\u4f7f\u7528 <strong>\u9999\u6e2fVPS \u6216 \u7f8e\u56fdVPS<\/strong> \u8fd9\u7c7b\u9762\u5411\u516c\u7f51\u7684\u4e91\u4e3b\u673a\u65f6\uff0c\u91c7\u7528\u4e91\u5b89\u5168\u7ec4 + ufw \u7684\u53cc\u5c42\u9632\u62a4\u7b56\u7565\uff1a\u4e91\u7aef\u9632\u6b62\u5927\u9762\u79ef\u626b\u63cf\/\u62d2\u7edd\u670d\u52a1\uff0c\u4e3b\u673a\u7aef\u505a\u7cbe\u7ec6\u5316\u8bbf\u95ee\u63a7\u5236\u4e0e\u65e5\u5fd7\u5ba1\u8ba1\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u4e3a\u5b89\u5168\u7b56\u7565\u9009\u5408\u9002\u7684 VPS<\/h2>\n<p>\u5728\u9009\u8d2d\u4e91\u4e3b\u673a\uff08\u65e0\u8bba\u662f\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668 \u8fd8\u662f\u5176\u4ed6\u5730\u533a\uff09\u65f6\uff0c\u4ee5\u4e0b\u56e0\u7d20\u4f1a\u76f4\u63a5\u5f71\u54cd\u9632\u62a4\u7b56\u7565\u4e0e\u53ef\u5b9e\u65bd\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u7f51\u7edc\u51fa\u53e3\u5e26\u5bbd\u4e0e\u4e0a\u884c\u8d28\u91cf\uff1a<\/strong>\u9891\u7e41\u906d\u9047 DDoS \u65f6\uff0c\u5e26\u5bbd\u80fd\u529b\u5f71\u54cd\u7f13\u89e3\u6548\u679c\u3002\u82e5\u4e1a\u52a1\u5bf9\u6297\u653b\u51fb\u6709\u9ad8\u8981\u6c42\uff0c\u9009\u62e9\u63d0\u4f9b DDoS \u9632\u62a4\u6216\u53ef\u6269\u5c55\u5e26\u5bbd\u7684\u65b9\u6848\u3002<\/li>\n<li><strong>IP \u8d44\u6e90\u4e0e\u5730\u57df\uff1a<\/strong>\u9999\u6e2fVPS \u9002\u5408\u4e9a\u6d32\u8bbf\u95ee\u4f18\u5316\uff1b\u7f8e\u56fdVPS \u66f4\u9002\u5408\u8986\u76d6\u5317\u7f8e\u7528\u6237\u3002\u6839\u636e\u7528\u6237\u5206\u5e03\u9009\u62e9\u673a\u623f\u4ee5\u51cf\u5c11\u8de8\u5883\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u7ba1\u7406\u6743\u9650\uff08\u88f8\u91d1\u5c5e\u6743\u9650\uff09\uff1a<\/strong>\u9700\u8981\u5bf9 iptables\/ufw \u6df1\u5ea6\u5b9a\u5236\u65f6\uff0c\u786e\u4fdd VPS \u63d0\u4f9b\u5546\u5141\u8bb8\u81ea\u5b9a\u4e49\u9632\u706b\u5899\u7b56\u7565\u5e76\u63d0\u4f9b\u63a7\u5236\u9762\u677f\u7684 API \u652f\u6301\u3002<\/li>\n<li><strong>\u5907\u4efd\u4e0e\u5feb\u7167\u529f\u80fd\uff1a<\/strong>\u5728\u8bef\u64cd\u4f5c\u5bfc\u81f4\u8fde\u4e0d\u4e0a\u65f6\u53ef\u4ee5\u5feb\u901f\u56de\u6eda\uff0c\u914d\u5408\u7248\u672c\u5316\u7684 ufw \u914d\u7f6e\u6587\u4ef6\u66f4\u5b89\u5168\u3002<\/li>\n<li><strong>\u6280\u672f\u652f\u6301\u4e0e SLA\uff1a<\/strong>\u4f01\u4e1a\u7ea7\u4e1a\u52a1\u5efa\u8bae\u9009\u62e9\u6709\u53ca\u65f6\u6280\u672f\u652f\u6301\u4e0e\u660e\u786e SLA \u7684\u670d\u52a1\u5546\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u540e\u7684\u7ef4\u62a4\u4e0e\u76d1\u63a7\u5efa\u8bae<\/h2>\n<p>\u5b8c\u6210\u89c4\u5219\u90e8\u7f72\u5e76\u975e\u7ec8\u70b9\uff0c\u5e94\u5f62\u6210\u5468\u671f\u6027\u68c0\u67e5\u4e0e\u4e8b\u4ef6\u54cd\u5e94\u6d41\u7a0b\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u5ba1\u8ba1 ufw \u89c4\u5219\u5e76\u63a8\u9001\u5230\u7248\u672c\u63a7\u5236\uff08\u4f8b\u5982 Git\uff09\uff0c\u4fbf\u4e8e\u56de\u6eaf\u4e0e\u53d8\u66f4\u5ba1\u8ba1\u3002<\/li>\n<li>\u5efa\u7acb\u65e5\u5fd7\u6536\u96c6\u4e0e\u544a\u8b66\uff1a\u5c06 ufw \u65e5\u5fd7\u6c47\u603b\u5230\u96c6\u4e2d\u5f0f\u65e5\u5fd7\u7cfb\u7edf\uff08ELK\/Graylog\uff09\u5e76\u8bbe\u7f6e\u5f02\u5e38\u6a21\u5f0f\u544a\u8b66\u3002<\/li>\n<li>\u538b\u529b\u6d4b\u8bd5\u4e0e\u6f14\u7ec3\uff1a\u5728\u975e\u751f\u4ea7\u65f6\u6bb5\u5bf9\u89c4\u5219\u8fdb\u884c\u56de\u5f52\u6d4b\u8bd5\uff0c\u9a8c\u8bc1\u89c4\u5219\u662f\u5426\u963b\u65ad\u5408\u6cd5\u6d41\u91cf\u3002<\/li>\n<li>\u7ed3\u5408\u5b89\u5168\u626b\u63cf\u5de5\u5177\uff08\u5982 nmap\u3001OpenVAS\uff09\u5b9a\u671f\u68c0\u6d4b\u7aef\u53e3\u66b4\u9732\u4e0e\u670d\u52a1\u6307\u7eb9\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong>\uff1a\u901a\u8fc7\u5728\u4e3b\u673a\u5c42\u5f15\u5165 ufw\uff0c\u5e76\u4e0e\u4e91\u5b89\u5168\u7ec4\u3001fail2ban\u3001\u5bb9\u5668\u7f51\u7edc\u7b56\u7565\u534f\u540c\uff0c\u53ef\u4ee5\u5728\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u7b49\u591a\u5730\u57df\u670d\u52a1\u5668\u4e0a\u6784\u5efa\u4e00\u5957\u65e2\u7b80\u6d01\u53c8\u5f3a\u5065\u7684\u201c\u9ad8\u7ea7\u5b89\u5168\u7ec4\u201d\u4f53\u7cfb\u3002\u8be5\u4f53\u7cfb\u4e0d\u4ec5\u63d0\u5347\u4e86\u5bf9\u66b4\u529b\u7834\u89e3\u3001\u626b\u63cf\u3001\u4ee5\u53ca\u8bef\u914d\u7f6e\u7684\u9632\u5fa1\u80fd\u529b\uff0c\u4e5f\u4fbf\u4e8e\u8fd0\u7ef4\u56e2\u961f\u7ba1\u7406\u4e0e\u5ba1\u8ba1\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5728\u9009\u8d2d\u6216\u90e8\u7f72\u9999\u6e2f\u8282\u70b9\u7684 VPS \u65f6\u5e0c\u671b\u83b7\u5f97\u66f4\u591a\u4ea7\u54c1\u4e0e\u914d\u7f6e\u5efa\u8bae\uff0c\u53ef\u53c2\u8003 Server.HK \u7684\u76f8\u5173\u4ea7\u54c1\u9875\u9762\uff1a<a href=\"https:\/\/www.server.hk\/cloud.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.server.hk\/cloud.php<\/a>\u3002\u6b64\u5916\uff0c\u7ad9\u70b9\u4e3b\u9875\u4e5f\u63d0\u4f9b\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668 \u4e0e \u7f8e\u56fd\u670d\u52a1\u5668 \u7684\u4fe1\u606f\uff1a<a href=\"https:\/\/www.server.hk\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.server.hk\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5411\u516c\u7f51\u7684\u9999\u6e2fVPS\u9700\u8981\u6bd4\u9ed8\u8ba4\u66f4\u4e25\u5bc6\u7684\u9632\u62a4\u3002\u672c\u6587\u4ee5\u9999\u6e2fVPS ufw \u4e3a\u6838\u5fc3\uff0c\u901a\u8fc7\u5b9e\u6218\u914d\u7f6e\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u628a\u670d\u52a1\u5668\u9632\u62a4\u63d0\u5347\u5230\u201c\u9ad8\u7ea7\u5b89\u5168\u7ec4\u201d\u7ea7\u522b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4927],"tags":[2630,2629,789,2626,2627,2631,791,107,2628],"class_list":["post-209338","post","type-post","status-publish","format-standard","hentry","category-4927","tag-iptables-nftables","tag-linux-","tag-ufw","tag-ufw-","tag-vps-","tag-2631","tag-791","tag-vps","tag-2628"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209338"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209338\/revisions"}],"predecessor-version":[{"id":209339,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209338\/revisions\/209339"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}