{"id":4019,"date":"2026-11-11T19:05:18","date_gmt":"2026-11-11T11:05:18","guid":{"rendered":"https:\/\/www.gxcom.net\/"},"modified":"2026-11-11T19:05:18","modified_gmt":"2026-11-11T11:05:18","slug":"%e9%9d%9e%e6%89%98%e7%ae%a1%e5%9e%8b%e4%b8%93%e7%94%a8%e9%98%b2%e7%81%ab%e5%a2%99%e7%9a%84ssh%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.gxcom.net\/zh\/%e9%9d%9e%e6%89%98%e7%ae%a1%e5%9e%8b%e4%b8%93%e7%94%a8%e9%98%b2%e7%81%ab%e5%a2%99%e7%9a%84ssh%e5%ae%89%e5%85%a8\/","title":{"rendered":"\u975e\u6258\u7ba1\u578b\u4e13\u7528\u670d\u52a1\u5668\u9632\u706b\u5899\u914d\u7f6e\uff1anftables\u3001SSH \u5b89\u5168\u52a0\u56fa\u548c\u7aef\u53e3\u5b89\u5168"},"content":{"rendered":"<p><strong>\u975e\u6258\u7ba1\u578b\u4e13\u7528\u670d\u52a1\u5668\u7684\u9632\u706b\u5899\u8bbe\u7f6e<\/strong> \u8fd9\u662f\u90e8\u7f72 Linux \u670d\u52a1\u5668\u540e\u9996\u8981\u5904\u7406\u7684\u4efb\u52a1\u4e4b\u4e00\u3002\u5982\u679c\u6ca1\u6709\u5408\u7406\u7684\u7f51\u7edc\u89c4\u5219\uff0c\u66b4\u9732\u5728\u5916\u7684\u670d\u52a1\u53ef\u80fd\u4f1a\u62db\u81f4\u81ea\u52a8\u626b\u63cf\u3001\u5bc6\u7801\u653b\u51fb\u548c\u4e0d\u9700\u8981\u7684\u8fde\u63a5\u3002\u7136\u800c\uff0c\u5982\u679c\u9632\u706b\u5899\u914d\u7f6e\u9519\u8bef\uff0c\u4e5f\u53ef\u80fd\u5bfc\u81f4\u7ba1\u7406\u5458\u65e0\u6cd5\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002<\/p>\n<p>\u672c\u6307\u5357\u4ecb\u7ecd\u4e86\u8c28\u614e\u7684 nftables \u5de5\u4f5c\u6d41\u7a0b\u3001SSH \u5b89\u5168\u52a0\u56fa\u3001\u7aef\u53e3\u5ba1\u8ba1\uff0c\u4ee5\u53ca\u5728\u8d2d\u4e70\u975e\u6258\u7ba1\u578b\u4e13\u7528\u4e3b\u673a\u524d\u503c\u5f97\u4e86\u89e3\u7684\u6062\u590d\u529f\u80fd\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-4020\" src=\"https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/11\/unmanaged-dedicated-firewall-ssh-security.jpg\" alt=\"\u91c7\u7528 nftables \u9ed8\u8ba4\u62d2\u7edd\u89c4\u5219\u3001SSH \u5bc6\u94a5\u8ba4\u8bc1\u3001Linux \u7aef\u53e3\u5b89\u5168\u53ca\u8fdc\u7a0b\u63a7\u5236\u53f0\u6062\u590d\u529f\u80fd\u7684\u975e\u6258\u7ba1\u578b\u4e13\u7528\u670d\u52a1\u5668\u9632\u706b\u5899\u914d\u7f6e \u2013 GXCOM.NET\" width=\"1000\" height=\"563\" srcset=\"https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/11\/unmanaged-dedicated-firewall-ssh-security.jpg 1000w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/11\/unmanaged-dedicated-firewall-ssh-security-300x169.jpg 300w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/11\/unmanaged-dedicated-firewall-ssh-security-768x432.jpg 768w, https:\/\/www.gxcom.net\/wp-content\/uploads\/2026\/11\/unmanaged-dedicated-firewall-ssh-security-18x10.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h2>\u4e3a\u4ec0\u4e48\u975e\u6258\u7ba1\u578b\u4e13\u7528\u670d\u52a1\u5668\u9700\u8981\u4e3b\u673a\u9632\u706b\u5899<\/h2>\n<p>\u975e\u6258\u7ba1\u4e3b\u673a\u670d\u52a1\u901a\u5e38\u5c06\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u548c\u670d\u52a1\u914d\u7f6e\u4ea4\u7531\u5ba2\u6237\u81ea\u884c\u8d1f\u8d23\u3002\u670d\u52a1\u5546\u53ef\u80fd\u4f1a\u4fdd\u62a4\u5176\u4e0a\u6e38\u7f51\u7edc\uff0c\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u4f1a\u81ea\u52a8\u9650\u5236\u5bf9\u60a8\u7684 SSH \u5b88\u62a4\u8fdb\u7a0b\u3001\u6570\u636e\u5e93\u6216\u7ba1\u7406\u63a7\u5236\u9762\u677f\u7684\u8fde\u63a5\u3002<\/p>\n<p>\u4e3b\u673a\u9632\u706b\u5899\u5728\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u9650\u5236\u5141\u8bb8\u901a\u8fc7\u7684\u6d41\u91cf\u3002\u5b83\u662f\u5bf9\u5e94\u7528\u7a0b\u5e8f\u8eab\u4efd\u9a8c\u8bc1\u3001\u8865\u4e01\u66f4\u65b0\u4ee5\u53ca\u670d\u52a1\u63d0\u4f9b\u5546\u7aef\u7684\u7f51\u7edc\u63a7\u5236\u63aa\u65bd\u7684\u8865\u5145\uff0c\u800c\u975e\u66ff\u4ee3\u3002<\/p>\n<p>\u4ece\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/%e9%9d%9e%e6%89%98%e7%ae%a1%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%a3%80%e6%9f%a5%e6%b8%85%e5%8d%95\/\"><strong>\u975e\u6258\u7ba1\u670d\u52a1\u5668\u5b89\u5168\u68c0\u67e5\u6e05\u5355<\/strong><\/a> \u5ba1\u67e5\u66f4\u5e7f\u6cdb\u7684\u90e8\u7f72\u804c\u8d23\u3002<\/p>\n<h2>\u5728\u4fee\u6539 nftables \u4e4b\u524d\uff1a\u9632\u6b62 SSH \u88ab\u9501\u5b9a<\/h2>\n<p>\u8bb0\u5f55\u4e0b\u5f53\u524d\u7684 SSH \u7aef\u53e3\u548c\u7ba1\u7406\u5458 IP \u5730\u5740\u3002\u5728\u6d4b\u8bd5\u7b2c\u4e8c\u6761\u8fde\u63a5\u65f6\uff0c\u8bf7\u4fdd\u6301\u73b0\u6709 SSH \u4f1a\u8bdd\u5904\u4e8e\u6253\u5f00\u72b6\u6001\u3002\u786e\u8ba4\u60a8\u7684\u4e3b\u673a\u670d\u52a1\u5546\u662f\u5426\u63d0\u4f9b\u53ef\u7528\u7684\u8fdc\u7a0b\u63a7\u5236\u53f0\u3001\u7d27\u6025\u6062\u590d\u73af\u5883\u6216\u6709\u6587\u6863\u8bb0\u5f55\u7684\u6062\u590d\u6d41\u7a0b\u3002<\/p>\n<p>\u5728\u5e94\u7528\u4e0d\u719f\u6089\u7684\u89c4\u5219\u4e4b\u524d\uff0c\u8bf7\u5b89\u6392\u81ea\u52a8\u56de\u6eda\u3002\u5728\u8fd0\u884c systemd \u7684\u7cfb\u7edf\u4e0a\uff0c\u5982\u679c\u65e0\u6cd5\u8bbf\u95ee\u7cfb\u7edf\uff0c\u4e00\u4e2a\u4e34\u65f6\u56de\u6eda\u4efb\u52a1\u53ef\u4ee5\u6062\u590d\u5df2\u77e5\u6709\u6548\u7684\u89c4\u5219\u96c6\u3002\u8bf7\u5148\u5728\u5b89\u5168\u73af\u5883\u4e2d\u6d4b\u8bd5\u56de\u6eda\u673a\u5236\u3002<\/p>\n<p>\u540c\u65f6\u68c0\u67e5\u73b0\u6709\u7684\u9632\u706b\u5899\u7ba1\u7406\u673a\u5236\u3002\u5982\u679c firewld \u6216\u5176\u4ed6\u5de5\u5177\u7ba1\u7406\u7740 nftables \u89c4\u5219\uff0c\u8bf7\u4f7f\u7528\u5176\u652f\u6301\u7684\u63a5\u53e3\uff0c\u800c\u4e0d\u662f\u5b89\u88c5\u4f1a\u4ea7\u751f\u51b2\u7a81\u7684\u72ec\u7acb\u914d\u7f6e\u3002<\/p>\n<h2>\u6784\u5efa\u201c\u9ed8\u8ba4\u62d2\u7edd\u201d\u578b nftables \u7b56\u7565<\/h2>\n<p>\u5bf9\u4e8e\u72ec\u7acb\u7684Web\u670d\u52a1\u5668\uff0c\u91c7\u7528\u201c\u9ed8\u8ba4\u62d2\u7edd\u201d\u7684\u5165\u7ad9\u7b56\u7565\u53ef\u4ee5\u5141\u8bb8\u5df2\u5efa\u7acb\u7684\u8fde\u63a5\u3001\u56de\u73af\u6d41\u91cf\u3001\u6765\u81ea\u53ef\u4fe1\u5730\u5740\u7684SSH\u8fde\u63a5\u4ee5\u53ca\u516c\u5171HTTP\/HTTPS\u6d41\u91cf\u3002\u5728\u4e86\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u4f9d\u8d56\u5173\u7cfb\u540e\uff0c\u53ef\u4ee5\u5355\u72ec\u5f15\u5165\u51fa\u7ad9\u8fc7\u6ee4\u673a\u5236\u3002<\/p>\n<h3>IPv4 \u548c IPv6 \u89c4\u5219\u96c6\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u4e2d\u4f7f\u7528\u4e86\u4e00\u4e2a\u793a\u4f8b\u6027\u7684\u7ba1\u7406\u5458\u5730\u5740\u3002\u8bf7\u5728\u90e8\u7f72\u524d\u5c06\u5176\u66ff\u6362\u4e3a\u60a8\u5b9e\u9645\u7684\u53ef\u4fe1 IP \u5730\u5740\uff0c\u5e76\u9a8c\u8bc1\u60a8\u7684 SSH \u7aef\u53e3\uff1a<\/p>\n<pre><code>table inet filter {\n  chain input {\n    type filter hook input priority 0; policy drop;\n    iif \"lo\" accept\n    ct state established,related accept\n    ct state invalid drop\r\n    ip saddr 198.51.100.10 tcp dport 22 \u5141\u8bb8\n    tcp dport { 80, 443 } \u5141\u8bb8\n    ip protocol icmp \u5141\u8bb8\n    ip6 nexthdr ipv6-icmp \u5141\u8bb8\n  }\r\n  \u94fe forward {\n    \u7c7b\u578b \u8fc7\u6ee4 \u94a9\u5b50 forward \u4f18\u5148\u7ea7 0; \u7b56\u7565 \u4e22\u5f03;\n  }\n  \u94fe output {\n    \u7c7b\u578b \u8fc7\u6ee4 \u94a9\u5b50 output \u4f18\u5148\u7ea7 0; \u7b56\u7565 \u63a5\u53d7;\n  }\n}<\/code><\/pre>\n<p>\u6587\u6863\u4e2d\u63d0\u5230\u7684\u5730\u5740\u5e76\u975e\u771f\u5b9e\u7684\u7ba1\u7406\u5458\u767d\u540d\u5355\u3002\u6b64\u5916\uff0c\u8fd9\u4e2a\u7b80\u5316\u793a\u4f8b\u8fd8\u9700\u8981\u9488\u5bf9 IPv6 \u7ba1\u7406\u3001\u5bb9\u5668\u7f51\u7edc\u3001VPN\u3001\u76d1\u63a7\u4ee5\u53ca\u4efb\u4f55\u4f7f\u7528\u8f6c\u53d1\u529f\u80fd\u7684\u670d\u52a1\u8fdb\u884c\u8c03\u6574\u3002\u8bf7\u52ff\u76f2\u76ee\u5c06\u5176\u5e94\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u3002<\/p>\n<h3>\u5e94\u7528\u524d\u8bf7\u9a8c\u8bc1<\/h3>\n<p>\u4fdd\u5b58\u62df\u5b9a\u7684\u89c4\u5219\u96c6\uff0c\u5e76\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u5176\u8bed\u6cd5\uff1a <code>nft -c -f \/path\/to\/rules.nft<\/code>. \u8bed\u6cd5\u9a8c\u8bc1\u65e0\u6cd5\u4fdd\u8bc1\u8fdc\u7a0b\u8bbf\u95ee\u7684\u53ef\u7528\u6027\u3002\u8bf7\u4ec5\u5728\u5df2\u6d4b\u8bd5\u56de\u6eda\u673a\u5236\u7684\u60c5\u51b5\u4e0b\u5e94\u7528\u66f4\u6539\uff0c\u5e76\u5728\u5c06\u5176\u6c38\u4e45\u4fdd\u5b58\u4e4b\u524d\uff0c\u901a\u8fc7\u65b0\u5efa\u8fde\u63a5\u9a8c\u8bc1 SSH \u8bbf\u95ee\u662f\u5426\u6b63\u5e38\u3002<\/p>\n<h2>\u5728\u4e0d\u5f71\u54cd\u8bbf\u95ee\u7684\u60c5\u51b5\u4e0b\u5f3a\u5316 SSH \u5b89\u5168\u6027<\/h2>\n<p>SSH \u5bc6\u94a5\u53ef\u51cf\u5c11\u5bf9\u53ef\u91cd\u590d\u4f7f\u7528\u5bc6\u7801\u7684\u4f9d\u8d56\u3002\u9996\u5148\u5b89\u88c5\u4e00\u4e2a\u53ef\u4fe1\u7684\u516c\u94a5\uff0c\u786e\u8ba4\u57fa\u4e8e\u5bc6\u94a5\u7684\u767b\u5f55\u6210\u529f\uff0c\u5e76\u786e\u4fdd\u5b58\u5728\u5907\u7528\u6062\u590d\u9014\u5f84\u3002<\/p>\n<p>\u7136\u540e\uff0c\u8bf7\u8003\u8651\u901a\u8fc7\u9002\u5f53\u7684 OpenSSH \u914d\u7f6e\u6587\u4ef6\u7981\u7528\u5bc6\u7801\u8ba4\u8bc1\u548c\u76f4\u63a5\u4ee5 root \u8eab\u4efd\u767b\u5f55\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1\u66f4\u6539\uff1a <code>sshd -t<\/code> \u5728\u91cd\u65b0\u52a0\u8f7d\u670d\u52a1\u4e4b\u524d\u3002\u73b0\u6709\u7684\u53d1\u884c\u7248\u5373\u63d2\u5373\u7528\u6587\u4ef6\u53ef\u80fd\u4f1a\u8986\u76d6\u76f8\u5173\u8bbe\u7f6e\uff0c\u56e0\u6b64\u8bf7\u68c0\u67e5\u5b9e\u9645\u751f\u6548\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u5728\u53ef\u884c\u7684\u60c5\u51b5\u4e0b\uff0c\u5e94\u6839\u636e\u6e90\u5730\u5740\u6216VPN\u9650\u5236\u7ba1\u7406\u5458\u8bbf\u95ee\u6743\u9650\u3002\u5c06SSH\u8fc1\u79fb\u5230\u5176\u4ed6\u7aef\u53e3\u6216\u8bb8\u80fd\u51cf\u5c11\u540e\u53f0\u5e72\u6270\uff0c\u4f46\u8fd9\u4e0d\u80fd\u66ff\u4ee3\u8eab\u4efd\u9a8c\u8bc1\u548c\u8865\u4e01\u66f4\u65b0\u3002<\/p>\n<h2>\u626b\u63cf\u5df2\u66b4\u9732\u7684\u7aef\u53e3\u548c\u6b63\u5728\u8fd0\u884c\u7684\u670d\u52a1<\/h2>\n<p>\u4f7f\u7528 <code>ss -\u90c1\u91d1\u9999<\/code> \u68c0\u67e5\u76d1\u542c\u5957\u63a5\u5b57\u3002\u5c06\u8f93\u51fa\u7ed3\u679c\u4e0e\u8d35\u516c\u53f8\u5b9e\u9645\u6240\u9700\u7684\u670d\u52a1\u8fdb\u884c\u5bf9\u6bd4\u3002Web \u670d\u52a1\u5668\u53ef\u80fd\u9700\u8981 80 \u548c 443 \u7aef\u53e3\uff0c\u800c\u6570\u636e\u5e93\u901a\u5e38\u5e94\u4ec5\u5141\u8bb8\u6388\u6743\u7684\u5e94\u7528\u7a0b\u5e8f\u4e3b\u673a\u8bbf\u95ee\u3002<\/p>\n<p>\u5207\u52ff\u4ec5\u56e0\u8f6f\u4ef6\u5df2\u5b89\u88c5\uff0c\u5c31\u5c06 Redis\u3001MySQL\u3001PostgreSQL\u3001\u7ba1\u7406\u9762\u677f\u6216\u76d1\u63a7\u7aef\u70b9\u66b4\u9732\u5728\u5916\u3002\u5e94\u5728\u9002\u5f53\u60c5\u51b5\u4e0b\u5c06\u5185\u90e8\u670d\u52a1\u7ed1\u5b9a\u5230\u79c1\u6709\u63a5\u53e3\uff0c\u5e76\u5728\u591a\u5c42\u7ea7\u5b9e\u65bd\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n<p>\u5bf9\u4e8e\u5165\u7ad9\u6d41\u91cf\u8f83\u5927\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u6211\u4eec\u7684 <a href=\"https:\/\/www.gxcom.net\/zh\/vps-cpu-%e6%8a%a2%e5%8d%a0%e6%97%b6%e9%97%b4%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4\/\"><strong>CPU \u7a83\u53d6\u65f6\u95f4\u6545\u969c\u6392\u9664\u6307\u5357<\/strong><\/a> \u89e3\u91ca\u4e86\u5171\u4eab\u8d44\u6e90\u7ade\u4e89\u4e0e\u4e13\u7528\u786c\u4ef6\u884c\u4e3a\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n<h2>\u9632\u706b\u5899\u65e5\u5fd7\u8bb0\u5f55\u3001\u901f\u7387\u9650\u5236\u548cDDoS\u9632\u62a4\u8fb9\u754c<\/h2>\n<p>\u5bf9\u9009\u5b9a\u7684\u88ab\u62d2\u7edd\u6d41\u91cf\u8fdb\u884c\u65e5\u5fd7\u8bb0\u5f55\uff0c\u5e76\u8bbe\u7f6e\u901f\u7387\u9650\u5236\uff0c\u4ee5\u907f\u514d\u5360\u7528\u8fc7\u591a\u78c1\u76d8\u7a7a\u95f4\u6216\u586b\u6ee1\u7cfb\u7edf\u65e5\u5fd7\u3002\u5b9a\u671f\u5ba1\u67e5\u8eab\u4efd\u9a8c\u8bc1\u5931\u8d25\u60c5\u51b5\u548c\u9632\u706b\u5899\u8ba1\u6570\u5668\uff0c\u4f46\u4e0d\u8981\u5c06\u6bcf\u6b21\u4e92\u8054\u7f51\u626b\u63cf\u90fd\u89c6\u4e3a\u4e25\u91cd\u4e8b\u4ef6\u3002<\/p>\n<p>\u5982\u679c\u914d\u7f6e\u5f97\u5f53\uff0cfail2ban \u7b49\u5de5\u5177\u53ef\u4ee5\u4f5c\u4e3a SSH \u8eab\u4efd\u9a8c\u8bc1\u63a7\u5236\u7684\u8865\u5145\u3002\u5b83\u4eec\u4e0d\u80fd\u66ff\u4ee3\u57fa\u4e8e\u5bc6\u94a5\u7684\u8bbf\u95ee\u6216\u4e0a\u6e38\u4fdd\u62a4\u3002<\/p>\n<p>\u4e3b\u673a\u9632\u706b\u5899\u65e0\u6cd5\u963b\u6b62\u5728\u6570\u636e\u5305\u5230\u8fbe\u670d\u52a1\u5668\u4e4b\u524d\u5c31\u5df2\u4f7f\u670d\u52a1\u5546\u7f51\u7edc\u9971\u548c\u7684\u653b\u51fb\u3002\u8bf7\u5c06\u4e0a\u6e38\u8fc7\u6ee4\u548c\u9ed1\u6d1e\u7b56\u7565\u4e0e nftables \u529f\u80fd\u5206\u5f00\u8be2\u95ee\u3002<\/p>\n<h2>\u56db\u5bb6\u975e\u6258\u7ba1\u578b\u4e13\u7528\u670d\u52a1\u63d0\u4f9b\u5546\u5bf9\u6bd4<\/h2>\n<p>\u8fd9\u4e9b\u7ecf\u6279\u51c6\u7684 GXCOM.NET \u5408\u4f5c\u4f19\u4f34\u63d0\u4f9b\u5546\u5747\u4e3a\u57fa\u7840\u8bbe\u65bd\u5019\u9009\u65b9\u3002\u8bf7\u9488\u5bf9\u6bcf\u79cd\u9009\u5b9a\u7684\u914d\u7f6e\uff0c\u6838\u5b9e\u5176\u5f53\u524d\u786c\u4ef6\u3001\u63a7\u5236\u53f0\u8bbf\u95ee\u6743\u9650\u3001\u5e94\u6025\u5904\u7f6e\u6d41\u7a0b\u4ee5\u53ca\u652f\u6301\u8303\u56f4\u3002<\/p>\n<h3>InterServer\uff1a\u8d39\u7528\u4e0e\u6062\u590d\u9009\u9879<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/interserver\" title=\"interserver\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"10\" rel=\"nofollow sponsored noopener\" target=\"_blank\">InterServer<\/a><\/strong> \u5bf9\u4e8e Linux \u4e13\u7528\u786c\u4ef6\u548c\u6301\u7eed\u8d39\u7528\uff0c\u503c\u5f97\u8fdb\u884c\u6bd4\u8f83\u3002\u8bf7\u8be2\u95ee\u6240\u9009\u5957\u9910\u662f\u5426\u63d0\u4f9b\u8fdc\u7a0b\u63a7\u5236\u53f0\u8bbf\u95ee\u3001\u64cd\u4f5c\u7cfb\u7edf\u91cd\u88c5\u534f\u52a9\u4ee5\u53ca\u7d27\u6025\u6062\u590d\u670d\u52a1\u3002<\/p>\n<h3>GTHost\uff1a\u7f51\u7edc\u548c\u7ba1\u7406\u8bbf\u95ee\u6743\u9650<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/gthost\" title=\"gthost\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"33\" rel=\"nofollow sponsored noopener\" target=\"_blank\">GTHost<\/a><\/strong> \u5f53\u4f4d\u7f6e\u548c\u7f51\u7edc\u6761\u4ef6\u81f3\u5173\u91cd\u8981\u65f6\uff0c\u8fd9\u4e5f\u662f\u53e6\u4e00\u79cd\u9009\u62e9\u3002\u8bf7\u786e\u8ba4\u516c\u5171\u548c\u79c1\u6709\u7f51\u7edc\u9009\u9879\u3001\u6062\u590d\u8bbf\u95ee\u65b9\u5f0f\uff0c\u4ee5\u53ca\u5728\u53d1\u751f\u4e0e\u9632\u706b\u5899\u76f8\u5173\u7684\u6545\u969c\u671f\u95f4\u7684\u804c\u8d23\u5206\u5de5\u3002<\/p>\n<h3>Cherry Servers\uff1a\u88f8\u673a\u7ba1\u7406<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/cherryservers\" title=\"Cherry \u670d\u52a1\u5668\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"39\" rel=\"nofollow sponsored noopener\" target=\"_blank\">Cherry \u670d\u52a1\u5668<\/a><\/strong> \u5bf9\u4e8e\u9700\u8981\u7075\u6d3b\u7ba1\u7406\u529f\u80fd\u7684\u88f8\u673a\u90e8\u7f72\uff0c\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u8bc4\u4f30\u3002\u5728\u4f9d\u8d56\u8fd9\u4e9b\u529f\u80fd\u4e4b\u524d\uff0c\u8bf7\u5148\u4e86\u89e3\u6709\u5173\u7ba1\u7406\u63a5\u53e3\u3001\u6062\u590d\u5de5\u4f5c\u6d41\u548c\u91cd\u65b0\u5b89\u88c5\u6d41\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<h3>RAKsmart\uff1a\u533a\u57df\u4e13\u7528\u57fa\u7840\u8bbe\u65bd<\/h3>\n<p><strong><a href=\"https:\/\/www.gxcom.net\/zh\/go\/raksmart\" title=\"raksmart\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"69\" rel=\"nofollow sponsored noopener\" target=\"_blank\">RAKsmart<\/a><\/strong> \u4e3a\u7279\u5b9a\u4f4d\u7f6e\u7684\u6258\u7ba1\u670d\u52a1\u63d0\u4f9b\u4e86\u53e6\u4e00\u79cd\u6bd4\u8f83\u9009\u9879\u3002\u8bf7\u6838\u5b9e Linux \u955c\u50cf\u7684\u53ef\u7528\u6027\u3001\u7f51\u7edc\u9650\u5236\u3001\u63a7\u5236\u53f0\u8bbf\u95ee\u6743\u9650\u4ee5\u53ca\u52a8\u624b\u652f\u6301\u7684\u8d39\u7528\u3002<\/p>\n<p>\u4e0a\u8ff0\u4efb\u4f55\u63cf\u8ff0\u5747\u4e0d\u80fd\u4fdd\u8bc1\u7279\u5b9a\u65b9\u6848\u5305\u542b\u53d7\u7ba1\u9632\u706b\u5899\u914d\u7f6e\u3002\u4e0b\u5355\u524d\u8bf7\u83b7\u53d6\u4e66\u9762\u786e\u8ba4\u3002<\/p>\n<h2>\u5b89\u5168\u578b\u975e\u6258\u7ba1\u4e3b\u673a\u670d\u52a1\u7684\u5b9e\u9645\u6210\u672c\u662f\u591a\u5c11\uff1f<\/h2>\n<p>\u5e7f\u544a\u4e2d\u5217\u51fa\u7684\u79df\u91d1\u4ec5\u662f\u5176\u4e2d\u4e00\u4e2a\u65b9\u9762\u3002\u8fd8\u9700\u5c06\u76d1\u63a7\u3001\u5f02\u5730\u5907\u4efd\u3001\u7ba1\u7406\u5458\u5de5\u65f6\u3001\u4e8b\u4ef6\u54cd\u5e94\u4ee5\u53ca\u6062\u590d\u6d4b\u8bd5\u7b49\u8d39\u7528\u7eb3\u5165\u9884\u7b97\u3002\u5982\u679c\u56e0\u7cfb\u7edf\u6545\u969c\u9700\u8981\u7d27\u6025\u6280\u672f\u652f\u6301\uff0c\u4e00\u53f0\u4ef7\u683c\u8f83\u4f4e\u7684\u65e0\u7ba1\u7406\u670d\u52a1\u5668\u6700\u7ec8\u53ef\u80fd\u4f1a\u53d8\u5f97\u975e\u5e38\u6602\u8d35\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6bcf\u6708\u670d\u52a1\u5668\u8d39\u7528\u4e3a90\u7f8e\u5143\uff0c\u52a0\u4e0a20\u7f8e\u5143\u7684\u76d1\u63a7\u8d39\u548c25\u7f8e\u5143\u7684\u5907\u4efd\u5b58\u50a8\u8d39\uff0c\u4e0d\u8ba1\u4eba\u5de5\u8d39\u7684\u60c5\u51b5\u4e0b\uff0c\u6bcf\u6708\u603b\u8ba1135\u7f8e\u5143\u3002\u8fd9\u4e9b\u53ea\u662f\u89c4\u5212\u5047\u8bbe\uff0c\u5e76\u975e\u670d\u52a1\u5546\u7684\u5b9e\u9645\u62a5\u4ef7\u3002<\/p>\n<p>\u5728\u6211\u4eec\u7684\u7f51\u7ad9\u4e0a\u6bd4\u8f83\u5404\u79cd\u57fa\u7840\u8bbe\u65bd\u65b9\u6848 <a href=\"https:\/\/www.gxcom.net\/zh\/%e4%b8%93%e7%94%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8-2\/\"><strong>\u4e13\u7528\u670d\u52a1\u5668\u4e0e\u4e91\u670d\u52a1\u5668\u7684\u5bf9\u6bd4<\/strong><\/a> \u5e76\u67e5\u770b\u6211\u4eec\u4e2d\u7684\u5907\u4efd\u8ba1\u5212 <a href=\"https:\/\/www.gxcom.net\/zh\/vps-%e5%bf%ab%e7%85%a7%e5%a4%87%e4%bb%bd%e4%b8%8e%e6%81%a2%e5%a4%8d%e6%8c%87%e5%8d%97\/\"><strong>\u5feb\u7167\u5907\u4efd\u4e0e\u6062\u590d\u6307\u5357<\/strong><\/a>.<\/p>\n<h2>\u4e13\u7528\u670d\u52a1\u5668\u9632\u706b\u5899\u68c0\u67e5\u6e05\u5355<\/h2>\n<ul>\n<li>\u786e\u8ba4\u63a7\u5236\u53f0\u8bbf\u95ee\u6743\u9650\uff0c\u5e76\u786e\u4fdd\u56de\u6eda\u6d41\u7a0b\u5df2\u901a\u8fc7\u6d4b\u8bd5\u3002<\/li>\n<li>\u5bf9\u76d1\u542c\u7aef\u53e3\u8fdb\u884c\u5ba1\u6838\uff0c\u5e76\u8bb0\u5f55\u6240\u9700\u7684\u670d\u52a1\u3002<\/li>\n<li>\u9a8c\u8bc1 nftables \u8bed\u6cd5\uff0c\u5e76\u6d4b\u8bd5\u7b2c\u4e8c\u4e2a SSH \u4f1a\u8bdd\u3002<\/li>\n<li>\u5728\u7981\u7528\u5bc6\u7801\u4e4b\u524d\uff0c\u8bf7\u5148\u542f\u7528\u57fa\u4e8e\u5bc6\u94a5\u7684 SSH \u8bbf\u95ee\u3002<\/li>\n<li>\u9650\u5236\u6570\u636e\u5e93\u548c\u7ba1\u7406\u754c\u9762\u3002<\/li>\n<li>\u76d1\u63a7\u89c4\u5219\u3001\u65e5\u5fd7\u3001\u8865\u4e01\u4ee5\u53ca\u6062\u590d\u51c6\u5907\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n<h3>nftables \u6bd4 iptables \u66f4\u597d\u5417\uff1f<\/h3>\n<p>nftables \u63d0\u4f9b\u4e86\u4e00\u4e2a\u73b0\u4ee3\u7684 Linux \u6570\u636e\u5305\u8fc7\u6ee4\u6846\u67b6\uff0c\u4f46\u5728\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\u5e94\u8003\u8651\u73b0\u6709\u5de5\u5177\u3001\u53d1\u884c\u7248\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u4ee5\u53ca\u8fd0\u7ef4\u7ecf\u9a8c\u3002<\/p>\n<h3>SSH \u5e94\u8be5\u5411\u6240\u6709\u4eba\u5f00\u653e\u5417\uff1f<\/h3>\n<p>\u5728\u64cd\u4f5c\u4e0a\u53ef\u884c\u4e14\u5df2\u5efa\u7acb\u7ecf\u8fc7\u6d4b\u8bd5\u7684\u5e94\u6025\u8bbf\u95ee\u673a\u5236\u7684\u60c5\u51b5\u4e0b\uff0c\u5efa\u8bae\u5c06SSH\u8bbf\u95ee\u9650\u5236\u5728\u53ef\u4fe1IP\u5730\u5740\u6216VPN\u8303\u56f4\u5185\u3002<\/p>\n<h3>nftables \u80fd\u5426\u53d6\u4ee3\u670d\u52a1\u5546\u7684 DDoS \u9632\u62a4\uff1f<\/h3>\n<p>\u4e0d\u3002\u5728\u4e0a\u884c\u5e26\u5bbd\u9971\u548c\u7684\u60c5\u51b5\u4e0b\uff0c\u5fc5\u987b\u5728\u6d41\u91cf\u5230\u8fbe\u4e13\u7528\u670d\u52a1\u5668\u4e4b\u524d\u91c7\u53d6\u7f13\u89e3\u63aa\u65bd\u3002<\/p>\n<h2>\u6700\u7ec8\u88c1\u51b3<\/h2>\n<p>\u5b89\u5168\u4e14\u4e0d\u53d7\u7ba1\u7406\u7684\u4e13\u7528\u4e3b\u673a\u670d\u52a1\uff0c\u9996\u5148\u8981\u4ece\u8c28\u614e\u90e8\u7f72\u9632\u706b\u5899\u3001\u7ecf\u8fc7\u9a8c\u8bc1\u7684SSH\u8bbf\u95ee\u4ee5\u53ca\u5c06\u7aef\u53e3\u66b4\u9732\u8303\u56f4\u964d\u81f3\u6700\u4f4e\u5f00\u59cb\u3002\u6bd4\u8f83 InterServer\u3001GTHost\u3001Cherry Servers \u548c <a href=\"https:\/\/www.gxcom.net\/zh\/go\/raksmart\" title=\"raksmart\" class=\"pretty-link pretty-link-keyword prli-keyword\" data-prli-link-id=\"69\" rel=\"nofollow sponsored noopener\" target=\"_blank\">RAKsmart<\/a> \u5e94\u8003\u8651\u8bbe\u5907\u6062\u590d\u80fd\u529b\u548c\u603b\u4f53\u8fd0\u8425\u6210\u672c\u2014\u2014\u800c\u4e0d\u4ec5\u4ec5\u662f\u79df\u8d41\u4ef7\u683c\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u90e8\u7f72 Linux 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