{"id":32951,"date":"2026-09-01T10:00:00","date_gmt":"2026-09-01T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32951"},"modified":"2026-09-03T21:27:38","modified_gmt":"2026-09-03T13:27:38","slug":"ssh-server-hardening-checklist","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/ssh-server-hardening-checklist\/","title":{"rendered":"SSH \u670d\u52a1\u52a0\u56fa\u6e05\u5355\uff1a\u4ece\u7aef\u53e3\u5230\u5bc6\u94a5\u7684\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e"},"content":{"rendered":"<p>SSH \u662f\u7edd\u5927\u591a\u6570\u670d\u52a1\u5668\u7ba1\u7406\u5458\u6bcf\u5929\u90fd\u8981\u7528\u5230\u7684\u8fdc\u7a0b\u7ba1\u7406\u901a\u9053\uff0c\u4f46\u4e5f\u662f\u88ab\u66b4\u529b\u7834\u89e3\u653b\u51fb\u76ef\u5f97\u6700\u7d27\u7684\u5165\u53e3\u4e4b\u4e00\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/ssh-server-hardening-cover.webp\" alt=\"SSH \u670d\u52a1\u52a0\u56fa\u6e05\u5355\u5c01\u9762\uff1a\u84dd\u8272\u670d\u52a1\u5668\u673a\u67b6\u524d\u7acb\u7740\u4e00\u9762\u7eff\u8272\u76fe\u724c\uff0c\u8c61\u5f81\u5bc6\u94a5\u8ba4\u8bc1\u4fdd\u62a4\u8fdc\u7a0b\u767b\u5f55\u5165\u53e3\" loading=\"lazy\" \/><\/p>\n<p>\u6839\u636e\u5b89\u5168\u5382\u5546\u7684\u7edf\u8ba1\uff0c\u66b4\u9732\u5728\u516c\u7f51\u4e0a\u7684\u9ed8\u8ba4 22 \u7aef\u53e3\uff0c\u4e00\u5929\u4e4b\u5185\u5c31\u53ef\u80fd\u6536\u5230\u6570\u5343\u6b21\u6765\u81ea\u4e0d\u540c IP \u7684\u5bc6\u7801\u5c1d\u8bd5\u3002\u5982\u679c\u4f60\u8fd8\u5728\u7528\u9ed8\u8ba4\u7aef\u53e3\u3001\u7eaf\u5bc6\u7801\u767b\u5f55\uff0c\u670d\u52a1\u5668\u88ab\u653b\u7834\u53ea\u662f\u65f6\u95f4\u95ee\u9898\u3002\u8fd9\u7bc7\u6307\u5357\u4f1a\u5e26\u4f60\u8d70\u4e00\u904d\u5b8c\u6574\u7684 SSH \u670d\u52a1\u52a0\u56fa\u6d41\u7a0b\uff0c\u4ece\u4fee\u6539\u7aef\u53e3\u3001\u9650\u5236\u767b\u5f55\u6765\u6e90\uff0c\u5230\u5207\u6362\u5bc6\u94a5\u8ba4\u8bc1\u3001\u914d\u7f6e fail2ban\uff0c\u6bcf\u4e00\u6b65\u90fd\u7ed9\u51fa\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u7684\u547d\u4ee4\uff0c\u5e2e\u4f60\u628a\u8fdc\u7a0b\u7ba1\u7406\u5165\u53e3\u7684\u5b89\u5168\u6c34\u4f4d\u63d0\u4e0a\u6765\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48 SSH \u662f\u653b\u51fb\u8005\u7684\u9996\u8981\u76ee\u6807<\/h2>\n<p>SSH \u670d\u52a1\u4e00\u65e6\u66b4\u9732\u5728\u516c\u7f51\uff0c\u5c31\u7b49\u4e8e\u628a\u670d\u52a1\u5668\u7684\u5927\u95e8\u94a5\u5319\u653e\u5728\u95e8\u53e3\u3002\u653b\u51fb\u8005\u4f1a\u7528\u81ea\u52a8\u5316\u811a\u672c\u626b\u63cf\u5168\u7f51 IP\uff0c\u51e1\u662f 22 \u7aef\u53e3\u5f00\u653e\u7684\u673a\u5668\u90fd\u4f1a\u8fdb\u5165\u5b57\u5178\u7206\u7834\u961f\u5217\u3002\u8fd9\u7c7b\u653b\u51fb\u4e0d\u9700\u8981\u9488\u5bf9\u4f60\uff0c\u7eaf\u7cb9\u662f\u5e7f\u6492\u7f51\uff1a\u53ea\u8981\u5bc6\u7801\u591f\u5f31\u3001root \u76f4\u63a5\u5141\u8bb8\u767b\u5f55\uff0c\u811a\u672c\u5c31\u80fd\u5728\u51e0\u5c0f\u65f6\u5185\u649e\u5f00\u3002<\/p>\n<p>\u8fd9\u91cc\u8981\u533a\u5206\u4e24\u4e2a\u6982\u5ff5\uff1a<strong>\u5bc6\u7801\u8ba4\u8bc1<\/strong>\uff08password authentication\uff09\u9760\u7684\u662f\u4f60\u8bbe\u7f6e\u7684\u5b57\u7b26\u4e32\uff0c\u53ea\u8981\u591f\u77ed\u3001\u591f\u5e38\u89c1\uff0c\u5c31\u5bb9\u6613\u88ab\u5b57\u5178\u547d\u4e2d\uff1b<strong>\u5bc6\u94a5\u8ba4\u8bc1<\/strong>\uff08key authentication\uff09\u9760\u7684\u662f\u4e00\u5bf9\u975e\u5bf9\u79f0\u5bc6\u94a5\uff0c\u79c1\u94a5\u7559\u5728\u672c\u5730\uff0c\u516c\u94a5\u653e\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u653b\u51fb\u8005\u5373\u4f7f\u62ff\u5230\u516c\u94a5\u4e5f\u65e0\u6cd5\u53cd\u63a8\u51fa\u79c1\u94a5\u3002\u628a\u767b\u5f55\u65b9\u5f0f\u4ece\u5bc6\u7801\u5207\u5230\u5bc6\u94a5\uff0c\u662f\u52a0\u56fa\u91cc\u6536\u76ca\u6700\u9ad8\u7684\u4e00\u6b65\u3002<\/p>\n<h2>\u52a0\u56fa\u524d\u5148\u786e\u8ba4\u4f60\u7684\u670d\u52a1\u5668\u73af\u5883<\/h2>\n<p>\u52a8\u624b\u4e4b\u524d\uff0c\u5148\u786e\u8ba4\u4e09\u4ef6\u4e8b\uff1a\u4f60\u7528\u7684\u662f\u54ea\u5957\u7cfb\u7edf\uff08Debian\/Ubuntu \u8fd8\u662f CentOS\/RHEL\uff09\uff0c\u662f\u5426\u5df2\u7ecf\u80fd\u901a\u8fc7\u63a7\u5236\u53f0\u6216\u9762\u677f\u767b\u5f55\uff0c\u4ee5\u53ca\u6709\u6ca1\u6709\u4fdd\u7559\u4e00\u4e2a\u5907\u7528\u767b\u5f55\u901a\u9053\u3002\u52a0\u56fa\u8fc7\u7a0b\u4e2d\u4e00\u65e6\u914d\u7f6e\u5199\u9519\uff0c\u53ef\u80fd\u628a\u81ea\u5df1\u9501\u5728\u95e8\u5916\uff0c\u6240\u4ee5\u5efa\u8bae\u5148\u5f00\u4e00\u4e2a\u80fd\u7528\u7684\u5907\u7528\u4f1a\u8bdd\uff0c\u6216\u8005\u786e\u8ba4\u4e3b\u673a\u5546\u7684\u63a7\u5236\u53f0 VNC \u53ef\u7528\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7528\u7684\u662f\u4e91\u670d\u52a1\u5668\uff08\u4e91\u7aef\u865a\u62df\u5316\u51fa\u6765\u7684\u8ba1\u7b97\u8d44\u6e90\uff09\u6216 <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\uff0c\u5efa\u8bae\u5148\u786e\u8ba4\u4e3b\u673a\u5546\u662f\u5426\u63d0\u4f9b\u4e00\u952e\u91cd\u7f6e root \u5bc6\u7801\u6216\u63a7\u5236\u53f0\u767b\u5f55\u80fd\u529b\uff0c\u8fd9\u80fd\u4f5c\u4e3a\u6700\u540e\u7684\u515c\u5e95\u3002\u5173\u4e8e\u670d\u52a1\u5668\u9009\u578b\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u4e4b\u524d\u6574\u7406\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u914d\u7f6e\u6307\u5357<\/a>\uff0c\u91cc\u9762\u8986\u76d6\u4e86\u4e0d\u540c\u4e1a\u52a1\u89c4\u6a21\u4e0b\u5982\u4f55\u9009\u62e9\u5408\u9002\u914d\u7f6e\u3002<\/p>\n<h2>\u7b2c\u4e00\u6b65\uff1a\u4fee\u6539\u9ed8\u8ba4\u7aef\u53e3\u5e76\u9650\u5236\u767b\u5f55\u6765\u6e90<\/h2>\n<p>\u628a SSH \u4ece\u9ed8\u8ba4\u7684 22 \u7aef\u53e3\u6539\u5230\u9ad8\u4f4d\u7aef\u53e3\uff0c\u80fd\u76f4\u63a5\u8fc7\u6ee4\u6389\u5927\u91cf\u53ea\u626b 22 \u7aef\u53e3\u7684\u81ea\u52a8\u5316\u811a\u672c\u3002\u867d\u7136\u8fd9\u4e0d\u662f\u771f\u6b63\u7684\u5b89\u5168\u624b\u6bb5\uff08\u653b\u51fb\u8005\u4ecd\u53ef\u80fd\u5168\u7aef\u53e3\u626b\u63cf\uff09\uff0c\u4f46\u80fd\u663e\u8457\u964d\u4f4e\u65e5\u5fd7\u91cc\u7684\u566a\u97f3\u3002<\/p>\n<p>\u7f16\u8f91 <code>\/etc\/ssh\/sshd_config<\/code>\uff0c\u627e\u5230 <code>#Port 22<\/code> \u8fd9\u4e00\u884c\uff0c\u6539\u6210\uff1a<\/p>\n<pre>\nPort 2222\n<\/pre>\n<p>\u6539\u5b8c\u540e\u91cd\u542f\u670d\u52a1\uff1a<\/p>\n<pre>\nsystemctl restart sshd\n<\/pre>\n<p>\u91cd\u542f\u524d\u52a1\u5fc5\u786e\u8ba4\u9632\u706b\u5899\u653e\u884c\u4e86\u65b0\u7aef\u53e3\uff0c\u5426\u5219\u4f1a\u7acb\u523b\u65ad\u8fde\u3002\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u540c\u65f6\u9650\u5236\u6765\u6e90 IP\uff0c\u5728\u9632\u706b\u5899\u91cc\u53ea\u5141\u8bb8\u4f60\u529e\u516c\u7f51\u7edc\u7684 IP \u6bb5\u8bbf\u95ee SSH \u7aef\u53e3\u3002\u5982\u679c\u4f60\u7684\u529e\u516c IP \u4e0d\u56fa\u5b9a\uff0c\u53ef\u4ee5\u914d\u5408\u52a8\u6001\u57df\u540d\u6216 VPN \u65b9\u6848\uff0c\u628a SSH \u5165\u53e3\u6536\u655b\u5230\u53ef\u63a7\u8303\u56f4\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65\uff1a\u7528\u5bc6\u94a5\u8ba4\u8bc1\u66ff\u4ee3\u5bc6\u7801\u767b\u5f55<\/h2>\n<p>\u8fd9\u662f\u6574\u4e2a\u52a0\u56fa\u6d41\u7a0b\u7684\u6838\u5fc3\u3002\u5148\u5728\u672c\u5730\u751f\u6210\u5bc6\u94a5\u5bf9\uff1a<\/p>\n<pre>\nssh-keygen -t ed25519 -C \"your_email@example.com\"\n<\/pre>\n<p>\u7136\u540e\u628a\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\uff1a<\/p>\n<pre>\nssh-copy-id -i ~\/.ssh\/id_ed25519.pub -p 2222 user@server_ip\n<\/pre>\n<p>\u786e\u8ba4\u5bc6\u94a5\u80fd\u6b63\u5e38\u767b\u5f55\u540e\uff0c\u518d\u56de\u5230 <code>sshd_config<\/code> \u5173\u95ed\u5bc6\u7801\u767b\u5f55\uff1a<\/p>\n<pre>\nPasswordAuthentication no\nPermitRootLogin prohibit-password\n<\/pre>\n<p><code>PermitRootLogin prohibit-password<\/code> \u8868\u793a\u7981\u6b62 root \u7528\u5bc6\u7801\u767b\u5f55\uff0c\u4f46\u5141\u8bb8\u7528\u5bc6\u94a5\u767b\u5f55\uff0c\u8fd9\u6837\u65e2\u4fdd\u7559\u4e86 root \u7684\u4fbf\u5229\uff0c\u53c8\u5835\u4f4f\u4e86\u5bc6\u7801\u7206\u7834\u3002\u6539\u5b8c\u91cd\u542f sshd\uff0c\u518d\u7528\u65b0\u7aef\u53e3\u548c\u5bc6\u94a5\u6d4b\u8bd5\u4e00\u6b21\uff0c\u786e\u8ba4\u80fd\u767b\u5f55\u518d\u65ad\u5f00\u65e7\u4f1a\u8bdd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/ssh-server-hardening-key-auth.webp\" alt=\"\u5bc6\u7801\u767b\u5f55\u4e0e\u5bc6\u94a5\u8ba4\u8bc1\u5bf9\u6bd4\u56fe\uff1a\u5de6\u4fa7\u7070\u8272\u5c0f\u94a5\u5319\u914d\u7ea2\u8272\u9501\uff0c\u53f3\u4fa7\u84dd\u8272\u5927\u94a5\u5319\u914d\u7eff\u8272\u76fe\u724c\" loading=\"lazy\" \/><\/p>\n<h2>\u7b2c\u4e09\u6b65\uff1a\u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u4e0e\u6743\u9650<\/h2>\n<p>SSH \u52a0\u56fa\u4e0d\u53ea\u662f\u6539 sshd \u914d\u7f6e\uff0c\u8fd8\u8981\u6e05\u7406\u670d\u52a1\u5668\u4e0a\u4e0d\u5fc5\u8981\u7684\u5f00\u653e\u7aef\u53e3\u548c\u8d26\u53f7\u3002\u5148\u7528 <code>ss<\/code> \u67e5\u770b\u5f53\u524d\u76d1\u542c\u7aef\u53e3\uff1a<\/p>\n<pre>\nss -tlnp\n<\/pre>\n<p>\u51e1\u662f\u4f60\u4e0d\u8ba4\u8bc6\u7684\u670d\u52a1\uff0c\u5148\u786e\u8ba4\u5b83\u662f\u4ec0\u4e48\uff0c\u518d\u51b3\u5b9a\u662f\u5426\u505c\u7528\u3002\u540c\u65f6\u68c0\u67e5\u7cfb\u7edf\u91cc\u662f\u5426\u6709\u957f\u671f\u4e0d\u7528\u7684\u8d26\u53f7\uff0c\u5c24\u5176\u662f\u5e26 sudo \u6743\u9650\u7684\uff0c\u5efa\u8bae\u76f4\u63a5\u5220\u9664\u6216\u7981\u7528\u3002\u5173\u4e8e\u8d26\u53f7\u548c\u6743\u9650\u7684\u66f4\u591a\u7ec6\u8282\uff0c\u53ef\u4ee5\u770b\u770b<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u865a\u62df\u4e3b\u673a\u4e0e\u72ec\u7acb\u670d\u52a1\u5668\u7684\u533a\u522b<\/a>\uff0c\u4e86\u89e3\u4e0d\u540c\u90e8\u7f72\u5f62\u6001\u4e0b\u6743\u9650\u7ba1\u7406\u7684\u4fa7\u91cd\u70b9\u3002<\/p>\n<h2>\u7b2c\u56db\u6b65\uff1a\u914d\u7f6e\u9632\u706b\u5899\u4e0e fail2ban<\/h2>\n<p>\u9632\u706b\u5899\u8d1f\u8d23\u628a SSH \u7aef\u53e3\u6536\u655b\u5230\u53ef\u4fe1\u6765\u6e90\uff0cfail2ban \u5219\u8d1f\u8d23\u5728\u68c0\u6d4b\u5230\u8fde\u7eed\u5931\u8d25\u5c1d\u8bd5\u65f6\u81ea\u52a8\u5c01\u7981\u6765\u6e90 IP\u3002\u4ee5 UFW \u4e3a\u4f8b\uff1a<\/p>\n<pre>\nufw allow 2222\/tcp\nufw enable\n<\/pre>\n<p>\u5b89\u88c5\u5e76\u914d\u7f6e fail2ban\uff1a<\/p>\n<pre>\napt install fail2ban\n<\/pre>\n<p>\u9ed8\u8ba4\u914d\u7f6e\u4f1a\u76d1\u63a7 sshd \u65e5\u5fd7\uff0c\u8fde\u7eed 5 \u6b21\u5931\u8d25\u540e\u5c01\u7981\u6765\u6e90 IP 10 \u5206\u949f\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u65e5\u5fd7\u8c03\u6574 <code>maxretry<\/code> \u548c <code>bantime<\/code>\u3002\u8fd9\u5957\u7ec4\u5408\u80fd\u6709\u6548\u538b\u5236\u66b4\u529b\u7834\u89e3\uff0c\u540c\u65f6\u4e0d\u5f71\u54cd\u6b63\u5e38\u767b\u5f55\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u7ec6\u8282\uff1afail2ban \u7684\u5c01\u7981\u662f\u57fa\u4e8e\u6765\u6e90 IP \u7684\uff0c\u5982\u679c\u4f60\u7684\u529e\u516c\u7f51\u7edc\u51fa\u53e3 IP \u4f1a\u53d8\u5316\uff0c\u6216\u8005\u6709\u540c\u4e8b\u4ece\u4e0d\u540c\u7f51\u7edc\u767b\u5f55\uff0c\u5efa\u8bae\u628a\u53ef\u4fe1 IP \u6bb5\u52a0\u5165 <code>ignoreip<\/code> \u767d\u540d\u5355\uff0c\u907f\u514d\u8bef\u5c01\u5bfc\u81f4\u65e0\u6cd5\u767b\u5f55\u3002\u540c\u65f6\uff0c<code>bantime<\/code> \u4e0d\u8981\u8bbe\u5f97\u592a\u77ed\uff0c\u5426\u5219\u653b\u51fb\u811a\u672c\u53ef\u4ee5\u53cd\u590d\u91cd\u8bd5\uff1b\u4e5f\u4e0d\u8981\u8bbe\u5f97\u592a\u957f\uff0c\u5426\u5219\u8bef\u5c01\u540e\u8981\u7b49\u5f88\u4e45\u624d\u80fd\u6062\u590d\u3002\u4e00\u822c\u5efa\u8bae <code>bantime<\/code> \u8bbe\u4e3a 1 \u5c0f\u65f6\u3001<code>maxretry<\/code> \u8bbe\u4e3a 5 \u6b21\uff0c\u518d\u6839\u636e\u5b9e\u9645\u65e5\u5fd7\u5fae\u8c03\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/ssh-server-hardening-firewall.webp\" alt=\"\u9632\u706b\u5899\u4e0e fail2ban \u9632\u62a4\u793a\u610f\u56fe\uff1a\u84dd\u8272\u9632\u706b\u5899\u5899\u9762\u4e0a\u6709\u7eff\u8272\u901a\u884c\u95e8\uff0c\u5de6\u4fa7\u7ea2\u8272\u653b\u51fb\u7bad\u5934\u88ab\u5f39\u5f00\" loading=\"lazy\" \/><\/p>\n<h2>\u52a0\u56fa\u540e\u7684\u9a8c\u8bc1\u4e0e\u65e5\u5e38\u68c0\u67e5<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u7528\u65b0\u7aef\u53e3\u3001\u5bc6\u94a5\u65b9\u5f0f\u767b\u5f55\u4e00\u6b21\uff0c\u786e\u8ba4\u4e00\u5207\u6b63\u5e38\u3002\u65e5\u5e38\u5efa\u8bae\u5b9a\u671f\u67e5\u770b\u8ba4\u8bc1\u65e5\u5fd7\uff1a<\/p>\n<pre>\njournalctl -u sshd --since \"24 hours ago\"\n<\/pre>\n<p>\u5982\u679c\u53d1\u73b0\u5927\u91cf\u6765\u81ea\u964c\u751f IP \u7684\u5931\u8d25\u5c1d\u8bd5\uff0c\u8bf4\u660e\u4f60\u7684\u670d\u52a1\u5668\u4ecd\u5728\u88ab\u626b\u63cf\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6536\u7d27\u9632\u706b\u5899\u89c4\u5219\u3002\u53e6\u5916\uff0c\u5efa\u8bae\u628a sshd \u7684\u65e5\u5fd7\u7ea7\u522b\u4ece\u9ed8\u8ba4\u7684 INFO \u8c03\u5230 VERBOSE\uff0c\u8fd9\u6837\u80fd\u8bb0\u5f55\u66f4\u591a\u8fde\u63a5\u7ec6\u8282\uff0c\u65b9\u4fbf\u6392\u67e5\u5f02\u5e38\u3002\u5173\u4e8e\u7f51\u7ad9\u6574\u4f53\u6027\u80fd\u4e0e\u5b89\u5168\u7684\u8054\u52a8\u4f18\u5316\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">TTFB \u4e0e\u4e3b\u673a\u4f18\u5316\u6307\u5357<\/a>\uff0c\u628a\u5b89\u5168\u4e0e\u6027\u80fd\u653e\u5728\u4e00\u8d77\u89c4\u5212\u3002<\/p>\n<h2>\u603b\u7ed3\u4e0e\u4e0b\u4e00\u6b65\u884c\u52a8<\/h2>\n<p>SSH \u670d\u52a1\u52a0\u56fa\u5e76\u4e0d\u590d\u6742\uff0c\u6838\u5fc3\u5c31\u56db\u4ef6\u4e8b\uff1a\u6539\u7aef\u53e3\u3001\u5207\u5bc6\u94a5\u3001\u5173\u5bc6\u7801\u3001\u52a0\u9632\u62a4\u3002\u5efa\u8bae\u4f60\u6309\u8fd9\u4efd\u6e05\u5355\u9010\u9879\u6267\u884c\uff0c\u6bcf\u6539\u4e00\u6b65\u90fd\u5148\u9a8c\u8bc1\u518d\u7ee7\u7eed\uff0c\u907f\u514d\u628a\u81ea\u5df1\u9501\u5728\u95e8\u5916\u3002\u5982\u679c\u4f60\u9700\u8981\u4e00\u53f0\u5f00\u7bb1\u5373\u7528\u3001\u652f\u6301\u63a7\u5236\u53f0\u515c\u5e95\u7684\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u8003\u8651 Hostease \u7684<a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a<\/a>\u6216<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u5b83\u4eec\u90fd\u63d0\u4f9b\u63a7\u5236\u53f0\u767b\u5f55\u80fd\u529b\uff0c\u65b9\u4fbf\u4f60\u5728\u52a0\u56fa\u8fc7\u7a0b\u4e2d\u968f\u65f6\u515c\u5e95\u3002\u5148\u628a\u5bc6\u94a5\u8ba4\u8bc1\u914d\u597d\uff0c\u518d\u9010\u6b65\u6536\u7d27\u5176\u4ed6\u9879\uff0c\u4f60\u7684\u670d\u52a1\u5668\u5b89\u5168\u6c34\u4f4d\u5c31\u80fd\u660e\u663e\u63d0\u5347\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u4fee\u6539\u9ed8\u8ba4\u7aef\u53e3\u3001\u7981\u7528\u5bc6\u7801\u767b\u5f55\u5230\u914d\u7f6e\u5bc6\u94a5\u8ba4\u8bc1\uff0c\u8fd9\u4efd SSH \u670d\u52a1\u52a0\u56fa\u6e05\u5355\u5e2e\u4f60\u9010\u9879\u6392\u67e5\u670d\u52a1\u5668\u5b89\u5168\u98ce\u9669\uff0c\u9644\u53ef\u76f4\u63a5\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n","protected":false},"author":2,"featured_media":32948,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[3197,373,5000,157],"class_list":["post-32951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-fail2ban","tag-ssh","tag-5000","tag-157"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/ssh-server-hardening-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32951","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=32951"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32951\/revisions"}],"predecessor-version":[{"id":32952,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32951\/revisions\/32952"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32948"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}