{"id":32410,"date":"2026-08-05T12:00:00","date_gmt":"2026-08-05T04:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32410"},"modified":"2026-08-05T13:01:31","modified_gmt":"2026-08-05T05:01:31","slug":"collaborative-firewall-blocking","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/collaborative-firewall-blocking\/","title":{"rendered":"\u534f\u540c\u5c01\u7981\u8054\u52a8\u9632\u706b\u5899\uff1a\u516c\u7f51\u670d\u52a1\u5668\u5b89\u5168\u52a0\u56fa\u6307\u5357"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/collaborative-firewall-blocking-cover.webp\" alt=\"\u534f\u540c\u5c01\u7981\u8054\u52a8\u9632\u706b\u5899\u5c01\u9762\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u516c\u7f51\u670d\u52a1\u5668\u4e0a\u7ebf\u540e\uff0c\u5f88\u5feb\u4f1a\u9047\u5230 SSH\uff08\u5b89\u5168\u5916\u58f3\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u7206\u7834\u3001\u7aef\u53e3\u626b\u63cf\u3001\u5f02\u5e38\u767b\u5f55\u548c Web \u63a2\u6d4b\u3002\u672c\u6587\u662f\u4e00\u4efd\u534f\u540c\u5c01\u7981\u6307\u5357\uff0c\u91cd\u70b9\u89e3\u51b3\u201c\u5355\u53f0\u670d\u52a1\u5668\u5404\u81ea\u9632\u5b88\u3001\u9ed1\u540d\u5355\u66f4\u65b0\u6162\u3001\u8bef\u5c01\u96be\u6392\u67e5\u201d\u7684\u95ee\u9898\uff0c\u5e2e\u52a9\u4f60\u628a\u672c\u673a\u65e5\u5fd7\u3001\u793e\u533a\u5a01\u80c1\u60c5\u62a5\u548c\u9632\u706b\u5899\u89c4\u5219\u4e32\u8d77\u6765\uff0c\u8ba9\u53ef\u7591 IP \u5728\u8fdb\u5165\u4e1a\u52a1\u5c42\u4e4b\u524d\u5c31\u88ab\u62e6\u622a\u3002<\/p>\n<p>\u534f\u540c\u5c01\u7981\u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u66ff\u4ee3\u6240\u6709\u5b89\u5168\u5de5\u5177\uff0c\u800c\u662f\u628a\u5df2\u6709\u9632\u62a4\u505a\u5f97\u66f4\u53ca\u65f6\u3002\u5bf9\u4e2d\u5c0f\u4f01\u4e1a\u7f51\u7ad9\u3001\u5916\u8d38\u72ec\u7acb\u7ad9\u3001API \u670d\u52a1\u548c\u8fd0\u7ef4\u8df3\u677f\u673a\u6765\u8bf4\uff0c\u5b83\u53ef\u4ee5\u628a\u91cd\u590d\u653b\u51fb\u6321\u5728\u66f4\u9760\u524d\u7684\u4f4d\u7f6e\uff0c\u51cf\u5c11\u65e0\u6548\u8fde\u63a5\u3001\u65e5\u5fd7\u566a\u97f3\u548c\u8d26\u53f7\u66b4\u529b\u7834\u89e3\u538b\u529b\u3002\u4e0b\u9762\u6211\u4eec\u6309\u201c\u573a\u666f\u5224\u65ad\u2192\u90e8\u7f72\u903b\u8f91\u2192\u9a8c\u8bc1\u65b9\u6cd5\u2192\u8fd0\u7ef4\u8fb9\u754c\u201d\u7684\u987a\u5e8f\u8bf4\u660e\uff0c\u907f\u514d\u53ea\u5806\u547d\u4ee4\u800c\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u8fd9\u6837\u914d\u7f6e\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u5355\u673a\u9ed1\u540d\u5355\u4e0d\u591f\u7528<\/h2>\n<p>\u4f20\u7edf\u505a\u6cd5\u901a\u5e38\u662f\u5728\u6bcf\u53f0\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u65e5\u5fd7\u5206\u6790\u5de5\u5177\uff0c\u68c0\u6d4b\u5230\u8fde\u7eed\u767b\u5f55\u5931\u8d25\u540e\uff0c\u628a\u6765\u6e90 IP \u5199\u5165\u672c\u673a\u9632\u706b\u5899\u3002\u8fd9\u4e2a\u601d\u8def\u9002\u5408\u5904\u7406\u5df2\u7ecf\u6253\u5230\u672c\u673a\u7684\u653b\u51fb\uff0c\u4f46\u5b83\u6709\u4e24\u4e2a\u660e\u663e\u77ed\u677f\uff1a\u7b2c\u4e00\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u5df2\u7ecf\u5728\u522b\u7684\u670d\u52a1\u5668\u4e0a\u51fa\u73b0\u8fc7\uff0c\u5374\u8981\u7b49\u5b83\u518d\u6b21\u8bbf\u95ee\u4f60\u7684\u673a\u5668\u624d\u4f1a\u89e6\u53d1\u5c01\u7981\uff1b\u7b2c\u4e8c\uff0c\u591a\u53f0\u670d\u52a1\u5668\u4e4b\u95f4\u6ca1\u6709\u5171\u4eab\u5224\u65ad\uff0c\u6bcf\u53f0\u90fd\u8981\u91cd\u590d\u7ecf\u5386\u4e00\u6b21\u8bd5\u63a2\u3002<\/p>\n<p>\u534f\u540c\u5c01\u7981\u7684\u601d\u8def\uff0c\u662f\u628a\u201c\u672c\u673a\u89c2\u5bdf\u5230\u7684\u884c\u4e3a\u201d\u548c\u201c\u5176\u4ed6\u8282\u70b9\u5df2\u7ecf\u786e\u8ba4\u7684\u6076\u610f\u884c\u4e3a\u201d\u7ed3\u5408\u8d77\u6765\u3002\u670d\u52a1\u5668\u672c\u5730\u4ecd\u7136\u8bfb\u53d6 <code>\/var\/log\/auth.log<\/code>\u3001<code>\/var\/log\/secure<\/code> \u6216 Web \u8bbf\u95ee\u65e5\u5fd7\uff0c\u4f46\u51b3\u7b56\u4e0d\u518d\u53ea\u4f9d\u8d56\u5355\u673a\u9608\u503c\u3002\u5f53\u67d0\u4e2a\u6765\u6e90\u88ab\u591a\u4e2a\u8282\u70b9\u8bc6\u522b\u4e3a\u626b\u63cf\u3001\u7206\u7834\u6216\u6f0f\u6d1e\u63a2\u6d4b\u65f6\uff0c\u672c\u673a\u53ef\u4ee5\u63d0\u524d\u83b7\u53d6\u5c01\u7981\u5217\u8868\uff0c\u5e76\u628a\u5bf9\u5e94\u89c4\u5219\u4e0b\u53d1\u5230 nftables\u3001iptables \u6216 firewalld\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/collaborative-firewall-blocking-comparison.webp\" alt=\"\u5355\u673a\u9ed1\u540d\u5355\u4e0e\u534f\u540c\u5c01\u7981\u5bf9\u6bd4\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u8fd9\u7c7b\u673a\u5236\u9002\u5408\u66b4\u9732\u5728\u516c\u7f51\u7684 Linux \u670d\u52a1\u5668\uff0c\u5c24\u5176\u662f SSH\uff08\u5b89\u5168\u5916\u58f3\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u7aef\u53e3\u3001\u9762\u677f\u767b\u5f55\u5165\u53e3\u3001\u7ba1\u7406\u540e\u53f0\u548c\u4f4e\u9891\u4f46\u9ad8\u4ef7\u503c\u7684\u4e1a\u52a1 API\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u201c\u5206\u5e03\u5f0f\u89c2\u5bdf\u3001\u672c\u5730\u6267\u884c\u201d\uff1a\u98ce\u9669\u4fe1\u606f\u6765\u81ea\u591a\u4e2a\u6765\u6e90\uff0c\u771f\u6b63\u62e6\u622a\u4ecd\u7531\u672c\u673a\u9632\u706b\u5899\u5b8c\u6210\uff0c\u63a7\u5236\u6743\u4e0d\u4f1a\u5b8c\u5168\u4ea4\u7ed9\u5916\u90e8\u670d\u52a1\u3002<\/p>\n<h2>\u5148\u786e\u8ba4\u4f60\u7684\u670d\u52a1\u5668\u662f\u5426\u9002\u5408\u63a5\u5165<\/h2>\n<p>\u4e0d\u662f\u6240\u6709\u4e1a\u52a1\u90fd\u5e94\u8be5\u4e00\u4e0a\u6765\u542f\u7528\u5f3a\u5c01\u7981\u3002\u63a5\u5165\u524d\u5efa\u8bae\u5148\u770b 7 \u5929\u65e5\u5fd7\uff0c\u786e\u8ba4\u653b\u51fb\u7c7b\u578b\u3001\u767b\u5f55\u65b9\u5f0f\u548c\u73b0\u6709\u9632\u706b\u5899\u7b56\u7565\u3002\u5982\u679c\u670d\u52a1\u5668\u6bcf\u5929\u53ea\u6709\u5c11\u91cf\u7ba1\u7406\u767b\u5f55\uff0c\u4e14\u516c\u7f51\u7aef\u53e3\u660e\u786e\uff0c\u534f\u540c\u5c01\u7981\u7684\u6536\u76ca\u4f1a\u6bd4\u8f83\u660e\u663e\uff1b\u5982\u679c\u4e1a\u52a1\u6709\u5927\u91cf\u52a8\u6001\u7528\u6237 IP\u3001\u5f00\u653e\u4ee3\u7406\u8bbf\u95ee\u6216\u7279\u6b8a\u722c\u866b\u6d41\u91cf\uff0c\u5219\u8981\u66f4\u8c28\u614e\u5730\u8bbe\u7f6e\u767d\u540d\u5355\u548c\u89c2\u5bdf\u671f\u3002<\/p>\n<p>\u53ef\u4ee5\u5148\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u5feb\u901f\u89c2\u5bdf SSH\uff08\u5b89\u5168\u5916\u58f3\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u5931\u8d25\u767b\u5f55\u6765\u6e90\uff0cUbuntu\/Debian \u5e38\u89c1\u65e5\u5fd7\u8def\u5f84\u4e3a <code>\/var\/log\/auth.log<\/code>\uff0cRocky Linux\/AlmaLinux \u5e38\u89c1\u8def\u5f84\u4e3a <code>\/var\/log\/secure<\/code>\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo grep \"Failed password\" \/var\/log\/auth.log | awk '{print $(NF-3)}' | sort | uniq -c | sort -nr | head -20\nsudo grep \"Failed password\" \/var\/log\/secure | awk '{print $(NF-3)}' | sort | uniq -c | sort -nr | head -20\n<\/pre>\n<p>\u5982\u679c 20 \u4e2a\u6765\u6e90\u91cc\u6709\u591a\u4e2a IP \u5728\u77ed\u65f6\u95f4\u5185\u5404\u5c1d\u8bd5 10 \u6b21\u4ee5\u4e0a\uff0c\u8bf4\u660e\u66b4\u529b\u7834\u89e3\u5df2\u7ecf\u5f62\u6210\u566a\u97f3\u3002\u518d\u68c0\u67e5\u5f53\u524d\u5f00\u653e\u7aef\u53e3\uff0c\u907f\u514d\u628a\u4e0d\u8be5\u516c\u5f00\u7684\u670d\u52a1\u66b4\u9732\u51fa\u53bb\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo ss -lntup\nsudo nft list ruleset | head -80\n<\/pre>\n<p>\u8fd9\u4e00\u6b65\u4e5f\u80fd\u5e2e\u4f60\u51b3\u5b9a\u57fa\u7840\u67b6\u6784\u662f\u5426\u9700\u8981\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u4e1a\u52a1\u653e\u5728 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668<\/a> \u73af\u5883\u4e2d\u65f6\uff0c\u5b89\u5168\u7b56\u7565\u5e94\u548c\u7cfb\u7edf\u66f4\u65b0\u3001\u7aef\u53e3\u7ba1\u7406\u3001\u5907\u4efd\u6062\u590d\u4e00\u8d77\u89c4\u5212\uff1b\u5982\u679c\u8fd0\u884c\u7684\u662f\u5916\u8d38\u7ad9\u6216\u540e\u53f0\u7cfb\u7edf\uff0c\u8fd8\u53ef\u4ee5\u7ed3\u5408 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316<\/a> \u7684\u601d\u8def\uff0c\u907f\u514d\u5b89\u5168\u7ec4\u4ef6\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u8bbf\u95ee\u5ef6\u8fdf\u3002<\/p>\n<h2>\u90e8\u7f72\u601d\u8def\uff1a\u8ba9\u65e5\u5fd7\u3001\u60c5\u62a5\u548c\u9632\u706b\u5899\u5404\u53f8\u5176\u804c<\/h2>\n<p>\u534f\u540c\u5c01\u7981\u901a\u5e38\u7531 3 \u4e2a\u5c42\u6b21\u7ec4\u6210\uff1a\u65e5\u5fd7\u91c7\u96c6\u8d1f\u8d23\u53d1\u73b0\u672c\u673a\u5f02\u5e38\uff0c\u60c5\u62a5\u540c\u6b65\u8d1f\u8d23\u63a5\u6536\u793e\u533a\u6216\u7ec4\u7ec7\u5185\u5171\u4eab\u7ed3\u8bba\uff0c\u9632\u706b\u5899\u8d1f\u8d23\u5728\u5185\u6838\u7f51\u7edc\u5c42\u6267\u884c\u62e6\u622a\u3002\u90e8\u7f72\u65f6\u4e0d\u8981\u628a\u4e09\u8005\u6df7\u5728\u4e00\u8d77\uff0c\u5426\u5219\u6392\u969c\u65f6\u5f88\u96be\u5224\u65ad\u662f\u89c4\u5219\u8bef\u5224\u3001\u540c\u6b65\u5931\u8d25\uff0c\u8fd8\u662f\u9632\u706b\u5899\u672a\u751f\u6548\u3002<\/p>\n<p>\u5728 Linux \u670d\u52a1\u5668\u4e0a\uff0c\u5efa\u8bae\u5148\u4ece\u89c2\u5bdf\u6a21\u5f0f\u5f00\u59cb\u3002\u5b89\u88c5\u4ee3\u7406\u540e\uff0c\u53ea\u8bfb\u53d6\u65e5\u5fd7\u5e76\u751f\u6210\u544a\u8b66\uff0c\u4e0d\u7acb\u5373\u5c01\u7981\u771f\u5b9e\u6d41\u91cf\u3002\u89c2\u5bdf 24 \u5230 72 \u5c0f\u65f6\u540e\uff0c\u786e\u8ba4\u88ab\u6807\u8bb0\u7684\u6765\u6e90\u786e\u5b9e\u5c5e\u4e8e\u626b\u63cf\u6216\u7206\u7834\uff0c\u518d\u542f\u7528\u9632\u706b\u5899\u8054\u52a8\u3002\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u5efa\u8bae\u4fdd\u7559\u56fa\u5b9a\u7ba1\u7406 IP \u767d\u540d\u5355\uff0c\u5e76\u628a\u7d27\u6025\u56de\u6eda\u547d\u4ee4\u5199\u8fdb\u8fd0\u7ef4\u6587\u6863\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo nft add table inet filter\nsudo nft add chain inet filter input '{ type filter hook input priority 0; policy accept; }'\nsudo nft add set inet filter blocked_ipv4 '{ type ipv4_addr; flags interval; }'\nsudo nft add rule inet filter input ip saddr @blocked_ipv4 drop\n<\/pre>\n<p>\u4e0a\u9762\u793a\u4f8b\u5c55\u793a\u4e86 nftables \u7684\u57fa\u672c\u7ed3\u6784\uff1a<code>blocked_ipv4<\/code> \u662f\u5c01\u7981\u96c6\u5408\uff0c\u771f\u6b63\u7684\u5c01\u7981\u52a8\u4f5c\u7531 input \u94fe\u4e0a\u7684 drop \u89c4\u5219\u5b8c\u6210\u3002\u5b9e\u9645\u90e8\u7f72\u65f6\uff0c\u534f\u540c\u5c01\u7981\u4ee3\u7406\u4f1a\u8d1f\u8d23\u7ef4\u62a4\u96c6\u5408\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u8ba9\u7ba1\u7406\u5458\u624b\u52a8\u9010\u6761\u6dfb\u52a0\u3002\u4e3a\u4e86\u9a8c\u8bc1\u94fe\u8def\uff0c\u53ef\u4ee5\u5148\u52a0\u5165\u4e00\u4e2a\u6d4b\u8bd5 IP\uff0c\u518d\u4ece\u5916\u90e8\u673a\u5668\u53d1\u8d77\u8fde\u63a5\u786e\u8ba4\u662f\u5426\u88ab\u62e6\u622a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/collaborative-firewall-blocking-architecture.webp\" alt=\"\u65e5\u5fd7\u60c5\u62a5\u4e0e\u9632\u706b\u5899\u8054\u52a8\u67b6\u6784\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u90e8\u7f72\u5728 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u4e0a\uff0c\u5efa\u8bae\u9009\u62e9\u652f\u6301\u5feb\u7167\u3001\u63a7\u5236\u53f0\u548c\u7cfb\u7edf\u91cd\u88c5\u7684\u65b9\u6848\uff0c\u4fbf\u4e8e\u5728\u9632\u706b\u5899\u914d\u7f6e\u5931\u8bef\u65f6\u6062\u590d\u8bbf\u95ee\u3002Hostease \u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/vps\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u4e3b\u673a<\/a> \u9002\u5408\u9700\u8981\u72ec\u7acb\u7cfb\u7edf\u73af\u5883\u3001\u53ef\u81ea\u4e3b\u7ba1\u7406\u5b89\u5168\u7b56\u7565\u7684\u7ad9\u70b9\uff1b\u6d41\u91cf\u66f4\u7a33\u5b9a\u3001\u8d44\u6e90\u66f4\u72ec\u5360\u7684\u573a\u666f\uff0c\u5219\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/dedicated-server\/\">\u72ec\u670d\uff08\u72ec\u7acb\u670d\u52a1\u5668\uff09<\/a> \u65b9\u6848\u3002<\/p>\n<h2>\u5173\u952e\u914d\u7f6e\uff1a\u767d\u540d\u5355\u3001\u5c01\u7981\u65f6\u957f\u548c\u56de\u6eda\u8def\u5f84<\/h2>\n<p>\u534f\u540c\u5c01\u7981\u6700\u6015\u4e24\u7c7b\u95ee\u9898\uff1a\u8bef\u5c01\u7ba1\u7406\u5165\u53e3\uff0c\u4ee5\u53ca\u5c01\u7981\u89c4\u5219\u7d2f\u79ef\u8fc7\u591a\u5bfc\u81f4\u6392\u67e5\u56f0\u96be\u3002\u6240\u4ee5\u914d\u7f6e\u65f6\u8981\u5148\u4fdd\u62a4\u201c\u4eba\u80fd\u8fdb\u53bb\u201d\uff0c\u518d\u8003\u8651\u201c\u653b\u51fb\u80fd\u6321\u4f4f\u201d\u3002\u5efa\u8bae\u628a\u529e\u516c\u51fa\u53e3 IP\u3001\u76d1\u63a7\u8282\u70b9\u3001\u5907\u4efd\u8282\u70b9\u548c\u7b2c\u4e09\u65b9\u56de\u8c03\u6765\u6e90\u52a0\u5165\u767d\u540d\u5355\uff1b\u5982\u679c\u529e\u516c\u7f51\u7edc\u7ecf\u5e38\u53d8\u5316\uff0c\u81f3\u5c11\u4fdd\u7559\u4e91\u63a7\u5236\u53f0\u3001\u6551\u63f4\u6a21\u5f0f\u6216\u5e26\u5916\u7ba1\u7406\u65b9\u5f0f\u3002<\/p>\n<p>\u5c01\u7981\u65f6\u957f\u4e0d\u5b9c\u4e00\u5f00\u59cb\u5c31\u8bbe\u7f6e\u8fc7\u957f\u3002\u5bf9 SSH\uff08\u5b89\u5168\u5916\u58f3\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u7206\u7834\u548c\u7aef\u53e3\u626b\u63cf\uff0c\u53ef\u4ee5\u4ece 4 \u5c0f\u65f6\u300124 \u5c0f\u65f6\u4e24\u4e2a\u7ea7\u522b\u5f00\u59cb\uff1a\u77ed\u671f\u5c01\u7981\u5904\u7406\u8bd5\u63a2\u6d41\u91cf\uff0c\u957f\u671f\u5c01\u7981\u5904\u7406\u91cd\u590d\u51fa\u73b0\u7684\u9ad8\u98ce\u9669\u6765\u6e90\u3002Web \u767b\u5f55\u9875\u63a2\u6d4b\u5219\u8981\u7ed3\u5408\u4e1a\u52a1\u8bbf\u95ee\u7279\u5f81\uff0c\u907f\u514d\u628a\u5171\u4eab\u51fa\u53e3\u3001\u4f01\u4e1a\u7f51\u5173\u6216\u641c\u7d22\u5f15\u64ce\u6293\u53d6\u9519\u8bef\u8bc6\u522b\u4e3a\u653b\u51fb\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo nft add element inet filter blocked_ipv4 { 203.0.113.10 timeout 4h }\nsudo nft list set inet filter blocked_ipv4\nsudo nft delete element inet filter blocked_ipv4 { 203.0.113.10 }\n<\/pre>\n<p>\u8fd9\u4e9b\u547d\u4ee4\u5206\u522b\u5bf9\u5e94\u4e34\u65f6\u52a0\u5165\u5c01\u7981\u3001\u67e5\u770b\u5c01\u7981\u96c6\u5408\u3001\u5220\u9664\u6d4b\u8bd5\u5c01\u7981\u3002\u6b63\u5f0f\u4e0a\u7ebf\u524d\uff0c\u53ef\u4ee5\u7528\u4fdd\u7559\u5730\u5740\u6bb5\u505a\u6f14\u7ec3\uff0c\u4e0d\u8981\u76f4\u63a5\u62ff\u771f\u5b9e\u5ba2\u6237 IP \u6d4b\u8bd5\u3002\u82e5\u7cfb\u7edf\u4f7f\u7528 iptables\uff0c\u601d\u8def\u76f8\u540c\uff0c\u4f46\u8981\u6ce8\u610f\u53d1\u884c\u7248\u662f\u5426\u5df2\u7ecf\u9ed8\u8ba4\u5207\u5230 nftables \u540e\u7aef\uff0c\u907f\u514d\u4e24\u5957\u89c4\u5219\u5e76\u5b58\u5bfc\u81f4\u5224\u65ad\u6df7\u4e71\u3002<\/p>\n<p>\u4e3a\u4e86\u964d\u4f4e\u8bef\u5c01\u98ce\u9669\uff0c\u5efa\u8bae\u81f3\u5c11\u8bb0\u5f55\u4ee5\u4e0b 4 \u9879\u4fe1\u606f\uff1a\u89e6\u53d1\u89c4\u5219\u540d\u79f0\u3001\u6765\u6e90 IP\u3001\u5c01\u7981\u5f00\u59cb\u65f6\u95f4\u3001\u89e3\u5c01\u65f6\u95f4\u3002\u5c0f\u56e2\u961f\u53ef\u4ee5\u7528\u7cfb\u7edf\u65e5\u5fd7\u4fdd\u5b58\uff0c\u5927\u56e2\u961f\u53ef\u4ee5\u63a5\u5165\u96c6\u4e2d\u65e5\u5fd7\u5e73\u53f0\u3002\u53ea\u8981\u6392\u969c\u65f6\u80fd\u5728 5 \u5206\u949f\u5185\u56de\u7b54\u201c\u4e3a\u4ec0\u4e48\u5c01\u3001\u8c01\u5c01\u7684\u3001\u4f55\u65f6\u89e3\u5c01\u201d\uff0c\u8fd9\u5957\u673a\u5236\u5c31\u66f4\u5bb9\u6613\u88ab\u4e1a\u52a1\u56e2\u961f\u63a5\u53d7\u3002<\/p>\n<h2>\u9a8c\u8bc1\u65b9\u6cd5\uff1a\u4e0d\u8981\u53ea\u770b\u89c4\u5219\u662f\u5426\u5b58\u5728<\/h2>\n<p>\u5f88\u591a\u5b89\u5168\u914d\u7f6e\u5931\u8d25\uff0c\u4e0d\u662f\u56e0\u4e3a\u5de5\u5177\u6ca1\u5b89\u88c5\uff0c\u800c\u662f\u56e0\u4e3a\u9a8c\u8bc1\u53ea\u505c\u7559\u5728\u201c\u670d\u52a1\u6b63\u5728\u8fd0\u884c\u201d\u3002\u534f\u540c\u5c01\u7981\u4e0a\u7ebf\u540e\uff0c\u81f3\u5c11\u8981\u9a8c\u8bc1 3 \u6761\u94fe\u8def\uff1a\u65e5\u5fd7\u80fd\u5426\u88ab\u89e3\u6790\u3001\u5c01\u7981\u51b3\u7b56\u80fd\u5426\u751f\u6210\u3001\u9632\u706b\u5899\u662f\u5426\u771f\u7684\u62e6\u622a\u3002\u4efb\u4e00\u73af\u8282\u65ad\u5f00\uff0c\u8868\u9762\u4e0a\u770b\u90fd\u6709\u544a\u8b66\uff0c\u5b9e\u9645\u6d41\u91cf\u5374\u53ef\u80fd\u7167\u5e38\u8fdb\u5165\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u6309\u4e0b\u9762\u7684\u987a\u5e8f\u505a\u4e00\u6b21\u5c0f\u8303\u56f4\u6f14\u7ec3\uff1a\u5148\u5728\u6d4b\u8bd5\u673a\u5668\u4e0a\u6a21\u62df\u591a\u6b21\u5931\u8d25\u767b\u5f55\uff1b\u518d\u67e5\u770b\u534f\u540c\u5c01\u7981\u4ee3\u7406\u662f\u5426\u4ea7\u751f\u544a\u8b66\uff1b\u6700\u540e\u68c0\u67e5\u9632\u706b\u5899\u96c6\u5408\u662f\u5426\u51fa\u73b0\u5bf9\u5e94\u6765\u6e90\u3002\u4e0d\u8981\u5728\u4e1a\u52a1\u9ad8\u5cf0\u671f\u76f4\u63a5\u7528\u771f\u5b9e\u7528\u6237\u6765\u6e90\u6d4b\u8bd5\uff0c\u4e5f\u4e0d\u8981\u628a\u516c\u53f8\u56fa\u5b9a\u51fa\u53e3 IP \u52a0\u5165\u9ed1\u540d\u5355\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo journalctl -u ssh --since \"30 min ago\" | tail -50\nsudo nft list set inet filter blocked_ipv4\nsudo conntrack -L 2>\/dev\/null | grep 203.0.113.10 | head\n<\/pre>\n<p>\u7b2c\u4e00\u6761\u547d\u4ee4\u9a8c\u8bc1\u65e5\u5fd7\uff0c\u7b2c\u4e8c\u6761\u9a8c\u8bc1\u89c4\u5219\u96c6\u5408\uff0c\u7b2c\u4e09\u6761\u8f85\u52a9\u89c2\u5bdf\u8fde\u63a5\u8ddf\u8e2a\u8bb0\u5f55\u3002\u82e5\u65e5\u5fd7\u4e2d\u5df2\u7ecf\u51fa\u73b0\u5931\u8d25\u767b\u5f55\uff0c\u4f46\u96c6\u5408\u91cc\u6ca1\u6709\u65b0\u589e\u5143\u7d20\uff0c\u5e94\u68c0\u67e5\u89e3\u6790\u89c4\u5219\u548c\u60c5\u62a5\u540c\u6b65\uff1b\u82e5\u96c6\u5408\u91cc\u6709\u5143\u7d20\u4f46\u8fde\u63a5\u4ecd\u80fd\u8fdb\u5165\uff0c\u5e94\u68c0\u67e5\u9632\u706b\u5899\u94fe\u4f18\u5148\u7ea7\u3001\u4e91\u4fa7\u5b89\u5168\u7ec4\u548c\u672c\u673a\u9632\u706b\u5899\u662f\u5426\u6709\u51b2\u7a81\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/collaborative-firewall-blocking-validation.webp\" alt=\"\u534f\u540c\u5c01\u7981\u9a8c\u8bc1\u6d41\u7a0b\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u5bf9\u7ebf\u4e0a\u7ad9\u70b9\u800c\u8a00\uff0c\u5b89\u5168\u52a0\u56fa\u8fd8\u5e94\u548c SSL\uff08\u5b89\u5168\u4f20\u8f93\u534f\u8bae\uff09\u3001DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u548c CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u7b56\u7565\u4e00\u8d77\u8003\u8651\u3002SSL\uff08\u5b89\u5168\u4f20\u8f93\u534f\u8bae\uff09\u4fdd\u8bc1\u4f20\u8f93\u52a0\u5bc6\uff0cDNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u51b3\u5b9a\u8bbf\u95ee\u5165\u53e3\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u53ef\u80fd\u9690\u85cf\u6e90\u7ad9 IP\uff1b\u5982\u679c\u6e90\u7ad9 IP \u5df2\u7ecf\u66b4\u9732\uff0c\u5c31\u7b97\u524d\u7aef\u63a5\u5165 CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\uff0c\u670d\u52a1\u5668\u672c\u673a\u4ecd\u7136\u9700\u8981\u9632\u706b\u5899\u5c42\u9762\u7684\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n<h2>\u4e0a\u7ebf\u540e\u7684\u7ef4\u62a4\u8fb9\u754c<\/h2>\n<p>\u534f\u540c\u5c01\u7981\u4e0d\u662f\u4e00\u6b21\u5b89\u88c5\u540e\u5c31\u53ef\u4ee5\u957f\u671f\u4e0d\u7ba1\u7684\u7ec4\u4ef6\u3002\u653b\u51fb\u6a21\u5f0f\u3001\u4e1a\u52a1\u5165\u53e3\u548c\u56e2\u961f\u529e\u516c\u7f51\u7edc\u90fd\u4f1a\u53d8\u5316\uff0c\u6240\u4ee5\u7ef4\u62a4\u91cd\u70b9\u5e94\u653e\u5728\u89c4\u5219\u5ba1\u8ba1\u3001\u8bef\u5c01\u5904\u7406\u548c\u7248\u672c\u66f4\u65b0\u4e0a\u3002\u5efa\u8bae\u6bcf\u5468\u62bd\u67e5\u4e00\u6b21\u5c01\u7981 Top 20 \u6765\u6e90\uff0c\u6bcf\u6708\u590d\u76d8\u4e00\u6b21\u8bef\u5c01\u8bb0\u5f55\uff0c\u5e76\u5728\u7cfb\u7edf\u5927\u7248\u672c\u5347\u7ea7\u524d\u5907\u4efd\u9632\u706b\u5899\u89c4\u5219\u3002<\/p>\n<p>\u53ef\u4ee5\u628a\u7ef4\u62a4\u52a8\u4f5c\u62c6\u6210\u4e09\u4e2a\u56fa\u5b9a\u8282\u594f\uff1a\u6bcf\u5929\u67e5\u770b\u5f02\u5e38\u5cf0\u503c\uff0c\u6bcf\u5468\u6e05\u7406\u8fc7\u671f\u767d\u540d\u5355\uff0c\u6bcf\u6708\u6f14\u7ec3\u4e00\u6b21\u56de\u6eda\u3002\u8fd9\u6837\u505a\u6bd4\u4e34\u65f6\u6392\u969c\u66f4\u53ef\u9760\uff0c\u56e0\u4e3a\u5f88\u591a\u8bef\u5c01\u4e0d\u662f\u5355\u6761\u89c4\u5219\u9020\u6210\u7684\uff0c\u800c\u662f\u767d\u540d\u5355\u8fc7\u65e7\u3001\u4ee3\u7406\u540c\u6b65\u5931\u8d25\u3001\u4e91\u4fa7\u5b89\u5168\u7ec4\u548c\u672c\u673a\u89c4\u5219\u540c\u65f6\u53d8\u66f4\u53e0\u52a0\u51fa\u6765\u7684\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo nft list ruleset > \/root\/nftables-backup-$(date +%F).conf\nsudo systemctl status nftables --no-pager\nsudo journalctl -u nftables --since \"24 hours ago\" | tail -80\n<\/pre>\n<p>\u5982\u679c\u4f60\u7ba1\u7406\u7684\u662f\u591a\u53f0\u516c\u7f51\u670d\u52a1\u5668\uff0c\u5efa\u8bae\u628a\u5b89\u5168\u57fa\u7ebf\u505a\u6210\u6a21\u677f\uff1a\u7edf\u4e00 SSH\uff08\u5b89\u5168\u5916\u58f3\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u767b\u5f55\u7b56\u7565\u3001\u7edf\u4e00\u9632\u706b\u5899\u9ed8\u8ba4\u89c4\u5219\u3001\u7edf\u4e00\u65e5\u5fd7\u8def\u5f84\u548c\u544a\u8b66\u65b9\u5f0f\u3002\u8fd9\u6837\u540e\u7eed\u65b0\u589e\u670d\u52a1\u5668\u65f6\uff0c\u4e0d\u9700\u8981\u4ece\u96f6\u590d\u5236\u547d\u4ee4\uff0c\u4e5f\u80fd\u51cf\u5c11\u201c\u67d0\u4e00\u53f0\u5fd8\u8bb0\u914d\u7f6e\u201d\u7684\u98ce\u9669\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u5148\u5c0f\u8303\u56f4\u89c2\u5bdf\uff0c\u518d\u9010\u6b65\u5c01\u7981<\/h2>\n<p>\u603b\u7ed3\u6765\u770b\uff0c\u534f\u540c\u5c01\u7981\u9002\u5408\u5df2\u7ecf\u66b4\u9732\u5728\u516c\u7f51\u3001\u7ecf\u5e38\u9047\u5230\u626b\u63cf\u548c\u7206\u7834\u7684\u670d\u52a1\u5668\uff0c\u4f46\u5b83\u5e94\u8be5\u4f5c\u4e3a\u5206\u5c42\u9632\u62a4\u7684\u4e00\u73af\uff0c\u800c\u4e0d\u662f\u552f\u4e00\u5b89\u5168\u63aa\u65bd\u3002\u63a8\u8350\u7684\u843d\u5730\u987a\u5e8f\u662f\uff1a\u5148\u68c0\u67e5 7 \u5929\u65e5\u5fd7\u548c\u5f00\u653e\u7aef\u53e3\uff0c\u518d\u7528\u89c2\u5bdf\u6a21\u5f0f\u8fd0\u884c 24 \u5230 72 \u5c0f\u65f6\uff0c\u786e\u8ba4\u8bef\u62a5\u53ef\u63a7\u540e\u8054\u52a8\u9632\u706b\u5899\uff0c\u6700\u540e\u628a\u767d\u540d\u5355\u3001\u5c01\u7981\u65f6\u957f\u548c\u56de\u6eda\u547d\u4ee4\u5199\u8fdb\u8fd0\u7ef4\u624b\u518c\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u4e3a\u4f01\u4e1a\u7f51\u7ad9\u3001\u5916\u8d38\u7ad9\u6216\u4e1a\u52a1\u540e\u53f0\u9009\u62e9\u627f\u8f7d\u73af\u5883\uff0c\u53ef\u4ee5\u8003\u8651\u628a\u670d\u52a1\u5668\u5b89\u5168\u57fa\u7ebf\u7eb3\u5165\u9009\u578b\u6807\u51c6\uff1a\u662f\u5426\u6709\u63a7\u5236\u53f0\u3001\u5feb\u7167\u3001\u72ec\u7acb\u7cfb\u7edf\u6743\u9650\u3001\u7a33\u5b9a\u7684\u7f51\u7edc\u548c\u6280\u672f\u652f\u6301\u3002Hostease \u53ef\u4ee5\u63d0\u4f9b VPS\uff08\u865a\u62df<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u548c\u72ec\u670d\uff08<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff09\u7b49\u57fa\u7840\u8bbe\u65bd\u9009\u9879\uff0c\u4f46\u5177\u4f53\u5b89\u5168\u7b56\u7565\u4ecd\u5efa\u8bae\u7ed3\u5408\u4f60\u7684\u4e1a\u52a1\u8bbf\u95ee\u6765\u6e90\u3001\u7ba1\u7406\u65b9\u5f0f\u548c\u5408\u89c4\u8981\u6c42\u9010\u9879\u9a8c\u8bc1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u8bb2\u89e3\u534f\u540c\u5c01\u7981\u5982\u4f55\u8054\u52a8\u9632\u706b\u5899\uff0c\u5e2e\u52a9\u516c\u7f51\u670d\u52a1\u5668\u51cf\u5c11 SSH \u7206\u7834\u3001\u626b\u63cf\u548c\u91cd\u590d\u653b\u51fb\uff0c\u5e76\u7ed9\u51fa\u90e8\u7f72\u3001\u9a8c\u8bc1\u4e0e\u8fd0\u7ef4\u5efa\u8bae\u3002<\/p>\n","protected":false},"author":2,"featured_media":32406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[373,4751,4750,157,4691],"class_list":["post-32410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-ssh","tag-4751","tag-4750","tag-157","tag-4691"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/collaborative-firewall-blocking-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=32410"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32410\/revisions"}],"predecessor-version":[{"id":32411,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32410\/revisions\/32411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32406"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}