{"id":487,"date":"2026-09-17T15:17:59","date_gmt":"2026-09-17T07:17:59","guid":{"rendered":"https:\/\/www.idcy.com\/help\/news\/10487.html"},"modified":"2026-09-17T15:17:59","modified_gmt":"2026-09-17T07:17:59","slug":"%e9%ab%98%e9%98%b2%e6%9c%8d%e5%8a%a1%e5%99%a8linux%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae%e4%b8%8e%e5%ae%9d%e5%a1%94%e9%9d%a2%e6%9d%bf%e5%8a%a0%e5%9b%ba%e6%93%8d%e4%bd%9c%e6%89%8b%e5%86%8c","status":"publish","type":"post","link":"https:\/\/www.idcy.com\/help\/docs\/10487.html","title":{"rendered":"\u9ad8\u9632\u670d\u52a1\u5668Linux\u5b89\u5168\u914d\u7f6e\u4e0e\u5b9d\u5854\u9762\u677f\u52a0\u56fa\u64cd\u4f5c\u624b\u518c"},"content":{"rendered":"<p>\u9762\u5411\u9ad8\u9632\u670d\u52a1\u5668\u4e1a\u52a1\u573a\u666f\uff0c\u672c\u6587\u63d0\u4f9b\u4e00\u5957\u53ef\u6267\u884c\u7684 Linux \u5b89\u5168\u57fa\u7ebf\u4e0e\u5b9d\u5854\u9762\u677f\u52a0\u56fa\u6b65\u9aa4\u3002\u793a\u4f8b\u57fa\u4e8e\u4e3b\u6d41 Linux \u53d1\u884c\u7248\u4e0e\u5b9d\u5854\u9762\u677f\u8fd1\u671f\u7248\u672c\uff0c\u5177\u4f53\u7248\u672c\u8bf7\u4ee5\u5b98\u65b9\u6587\u6863\u548c\u5f53\u524d\u73af\u5883\u4e3a\u51c6\u3002\u64cd\u4f5c\u524d\u52a1\u5fc5\u521b\u5efa\u5feb\u7167\u5e76\u4fdd\u7559\u5f53\u524d\u8fd0\u7ef4\u4f1a\u8bdd\u3002<\/p>\n<h2>\u4e00\u3001\u9002\u7528\u73af\u5883\u4e0e\u64cd\u4f5c\u524d\u51c6\u5907<\/h2>\n<p>\u672c\u6587\u9002\u7528\u4e8e\u8fd0\u884c\u5728\u8fd9\u7c7b\u670d\u52a1\u5668\u4e0a\u7684 Ubuntu 22.04\/24.04\u3001Debian 12\u3001AlmaLinux 9 \u7b49\u4e3b\u6d41\u7cfb\u7edf\uff0c\u4ee5\u53ca\u5b9d\u5854\u9762\u677f 7.x\/8.x \u7cfb\u5217\u3002\u5f00\u59cb\u524d\u5e94\u5b8c\u6210\u4ee5\u4e0b\u5907\u4efd\uff1a<\/p>\n<ul>\n<li>\u5bf9\u4e91\u670d\u52a1\u5668\u521b\u5efa\u7cfb\u7edf\u76d8\u5feb\u7167\u6216\u6574\u673a\u5907\u4efd\u3002<\/li>\n<li>\u5907\u4efd \/www\/server\/panel\u3001\/www\/server\/data \u53ca\u7ad9\u70b9\u914d\u7f6e\u76ee\u5f55\u3002<\/li>\n<li>\u5bfc\u51fa\u5f53\u524d\u9632\u706b\u5899\u89c4\u5219\uff0c\u4fbf\u4e8e\u5f02\u5e38\u65f6\u6062\u590d\u3002<\/li>\n<li>\u8bb0\u5f55\u5f53\u524d SSH \u7aef\u53e3\u3001\u9762\u677f\u7aef\u53e3\u548c\u56de\u6e90IP\u767d\u540d\u5355\u3002<\/li>\n<\/ul>\n<h2>\u4e8c\u3001SSH \u767b\u5f55\u52a0\u56fa<\/h2>\n<p>\u4fee\u6539 SSH \u914d\u7f6e\u524d\u5148\u590d\u5236\u539f\u6587\u4ef6\uff0c\u4fbf\u4e8e\u56de\u6eda\uff1a<\/p>\n<pre><code>sudo cp \/etc\/ssh\/sshd_config \/etc\/ssh\/sshd_config.bak.$(date +%F)<\/code><\/pre>\n<p>\u7136\u540e\u9650\u5236 root \u5bc6\u7801\u767b\u5f55\u5e76\u542f\u7528\u5bc6\u94a5\u767b\u5f55\uff0c\u793a\u4f8b\uff1a<\/p>\n<pre><code>sudo sed -i 's\/^#\\\\?PermitRootLogin.*\/PermitRootLogin prohibit-password\/' \/etc\/ssh\/sshd_config\nsudo sed -i 's\/^#\\\\?PasswordAuthentication.*\/PasswordAuthentication no\/' \/etc\/ssh\/sshd_config\nsudo sshd -t &amp;&amp; sudo systemctl reload sshd<\/code><\/pre>\n<p>\u547d\u4ee4\u7528\u9014\uff1ased \u4ec5\u66ff\u6362\u5339\u914d\u884c\uff1bsshd -t \u6821\u9a8c\u8bed\u6cd5\uff1breload \u4f7f\u914d\u7f6e\u751f\u6548\u800c\u4e0d\u4e2d\u65ad\u73b0\u6709\u4f1a\u8bdd\u3002\u9a8c\u8bc1\u65f6\u4fdd\u7559\u5f53\u524d\u7ec8\u7aef\uff0c\u53e6\u5f00\u4e00\u4e2a\u7ec8\u7aef\u6d4b\u8bd5\u5bc6\u94a5\u767b\u5f55\u3002\u82e5\u767b\u5f55\u5931\u8d25\uff0c\u53ef\u4ece\u5907\u4efd\u56de\u6eda\uff1a<\/p>\n<pre><code>sudo cp \/etc\/ssh\/sshd_config.bak.$(date +%F) \/etc\/ssh\/sshd_config\nsudo sshd -t &amp;&amp; sudo systemctl reload sshd<\/code><\/pre>\n<p>\u4e0d\u8981\u76f4\u63a5\u5220\u9664 authorized_keys \u6216\u6267\u884c\u4f1a\u6e05\u7a7a\u7528\u6237\u76ee\u5f55\u7684\u64cd\u4f5c\u3002<\/p>\n<h2>\u4e09\u3001\u9632\u706b\u5899\u4e0e Fail2ban \u7b56\u7565<\/h2>\n<p>\u4ee5\u4e0b\u914d\u7f6e\u601d\u8def\u5efa\u8bae\u6309\u201c\u9ed8\u8ba4\u62d2\u7edd\u5165\u7ad9\u3001\u6309\u9700\u653e\u884c\u201d\u7684\u539f\u5219\u5904\u7406\u3002\u4ee5 UFW \u4e3a\u4f8b\uff1a<\/p>\n<figure class=\"idcy-article-image\"><img decoding=\"async\" src=\"https:\/\/www.idcy.com\/wp-content\/uploads\/seo-images\/2026\/09\/idcy-tech-g08-05-a3f3a1b1de1d.webp\" alt=\"\u670d\u52a1\u5668\u8fd0\u7ef4\u4e0e\u6280\u672f\u914d\u7f6e\u573a\u666f\u793a\u610f\u56fe\" width=\"1200\" height=\"675\" loading=\"lazy\"><\/figure>\n<pre><code>sudo ufw allow 22\/tcp\nsudo ufw allow 80,443\/tcp\nsudo ufw enable\nsudo ufw status verbose<\/code><\/pre>\n<p>\u8bf7\u6839\u636e\u5b9e\u9645 SSH \u7aef\u53e3\u66ff\u6362 22\u3002\u82e5\u4f7f\u7528 firewalld\uff0c\u53ef\u66ff\u6362\u4e3a firewall-cmd &#8211;permanent &#8211;add-service=http \u7b49\u5bf9\u5e94\u547d\u4ee4\u3002Fail2ban \u53ef\u7528\u4e8e\u964d\u4f4e SSH \u4e0e\u9762\u677f\u767b\u5f55\u7684\u66b4\u529b\u5c1d\u8bd5\uff0c\u4f46\u5e94\u907f\u514d\u8bef\u5c01\u56de\u6e90IP\u3002<\/p>\n<h2>\u56db\u3001\u5b9d\u5854\u9762\u677f\u5b89\u5168\u8bbe\u7f6e<\/h2>\n<p>\u9762\u677f\u5b89\u5168\u914d\u7f6e\u5e94\u4f18\u5148\u5b8c\u6210\u5165\u53e3\u6536\u655b\u548c\u8bbf\u95ee\u63a7\u5236\u3002\u767b\u5f55\u9762\u677f\u540e\uff0c\u5728\u201c\u9762\u677f\u8bbe\u7f6e\u201d\u4e2d\u5f00\u542f\u9762\u677f SSL\u3001\u4fee\u6539\u9ed8\u8ba4\u5b89\u5168\u5165\u53e3\u3001\u7ed1\u5b9a\u6388\u6743 IP \u6216\u9650\u5236\u767b\u5f55\u6765\u6e90\uff0c\u4e0d\u8981\u5c06\u9762\u677f\u7aef\u53e3\u5bf9\u6240\u6709\u516c\u7f51\u5f00\u653e\u3002<\/p>\n<p>\u5efa\u8bae\u5f00\u542f\u767b\u5f55\u544a\u8b66\u548c\u52a8\u6001\u53e3\u4ee4\uff0c\u5e76\u5b9a\u671f\u68c0\u67e5\u9762\u677f\u65e5\u5fd7\u3002\u5bf9\u4e8e\u8fd9\u7c7b\u670d\u52a1\u5668\u4e0a\u7684\u6e90\u7ad9\uff0c\u8fd8\u5e94\u9650\u5236\u6e90\u7ad9\u4ec5\u63a5\u53d7\u56de\u6e90 IP \u8bbf\u95ee 80\/443\uff0c\u51cf\u5c11\u7ed5\u8fc7\u9632\u62a4\u76f4\u63a5\u653b\u51fb\u6e90\u7ad9\u7684\u98ce\u9669\u3002\u5177\u4f53\u9632\u5fa1\u503c\u548c\u6e05\u6d17\u80fd\u529b\u4ee5\u5957\u9910\u4e0e\u5b9e\u9645\u653b\u51fb\u573a\u666f\u4e3a\u51c6\u3002<\/p>\n<h2>\u4e94\u3001\u6e90\u7ad9\u4fdd\u62a4\u4e0e\u9a8c\u8bc1<\/h2>\n<p>\u8fd9\u7c7b\u670d\u52a1\u5668\u7684\u4e3b\u8981\u4ef7\u503c\u662f\u901a\u8fc7\u9ad8\u9632\u8282\u70b9\u5206\u62c5\u653b\u51fb\u6d41\u91cf\uff0c\u9690\u85cf\u771f\u5b9e\u6e90\u7ad9\u3002\u90e8\u7f72\u65f6\u5e94\u5c06\u57df\u540d\u89e3\u6790\u5230\u9ad8\u9632 IP\uff0c\u6e90\u7ad9\u9632\u706b\u5899\u4ec5\u5141\u8bb8\u56de\u6e90 IP \u8bbf\u95ee 80\/443\uff0c\u5176\u4ed6\u6765\u6e90\u9ed8\u8ba4\u62d2\u7edd\u3002\u9a8c\u8bc1\u65b9\u6cd5\uff1a\u4ece\u5916\u90e8\u76f4\u63a5\u8bf7\u6c42\u6e90\u7ad9 IP\uff0c\u5e94\u8fd4\u56de\u62d2\u7edd\u6216\u8d85\u65f6\uff1b\u901a\u8fc7\u9ad8\u9632\u8282\u70b9\u8bbf\u95ee\u57df\u540d\uff0c\u5e94\u8fd4\u56de\u6b63\u5e38\u5185\u5bb9\u3002<\/p>\n<p>\u5728\u5b9e\u65bd\u524d\uff0c\u5efa\u8bae\u53c2\u8003<a href=\"https:\/\/www.idcy.com\/defense\/us\/\" title=\"\u7f8e\u56fd\u9632\u5fa1\u670d\u52a1\u5668\" class=\"idcy-auto-link\">\u7f8e\u56fd\u9632\u5fa1\u670d\u52a1\u5668<\/a>\u7684\u4ea7\u54c1\u8bf4\u660e\uff0c\u5e76\u7ed3\u5408\u5f53\u524d\u5957\u9910\u4e0e\u653b\u51fb\u573a\u666f\u8bc4\u4f30\u9632\u62a4\u8303\u56f4\u3002<\/p>\n<h2>\u516d\u3001\u914d\u7f6e\u9a8c\u8bc1\u4e0e\u56de\u6eda<\/h2>\n<p>\u5b8c\u6210\u4e0a\u8ff0\u64cd\u4f5c\u540e\uff0c\u5efa\u8bae\u5efa\u7acb\u914d\u7f6e\u6e05\u5355\uff0c\u9010\u9879\u786e\u8ba4 SSH \u5bc6\u94a5\u767b\u5f55\u3001\u9632\u706b\u5899\u89c4\u5219\u548c\u7ad9\u70b9\u8bbf\u95ee\u662f\u5426\u6b63\u5e38\u3002\u5982\u679c\u67d0\u9879\u53d8\u66f4\u5bfc\u81f4\u4e1a\u52a1\u5f02\u5e38\uff0c\u4f18\u5148\u56de\u6eda\u8be5\u914d\u7f6e\u6587\u4ef6\u3002\u66f4\u5b8c\u6574\u7684\u64cd\u4f5c\u53ef\u53c2\u8003<a href=\"https:\/\/www.idcy.com\/help\/?help_category=tech-docs\" title=\"Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u6307\u5357\" class=\"idcy-auto-link\">Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u6307\u5357<\/a>\u5efa\u7acb\u53ef\u91cd\u590d\u7684\u68c0\u67e5\u6d41\u7a0b\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7 SSH \u52a0\u56fa\u3001\u9632\u706b\u5899\u6309\u9700\u653e\u884c\u3001\u9762\u677f\u5165\u53e3\u6536\u655b\u548c\u6e90\u7ad9\u56de\u6e90\u9650\u5236\uff0c\u53ef\u4ee5\u589e\u5f3a\u670d\u52a1\u5668\u7684\u6e90\u7ad9\u4fdd\u62a4\u80fd\u529b\uff0c\u964d\u4f4e\u653b\u51fb\u5f71\u54cd\u5e76\u63d0\u5347\u4e1a\u52a1\u8fde\u7eed\u6027\u3002\u5982\u9700\u8fdb\u4e00\u6b65\u4e86\u89e3\u64cd\u4f5c\u7ec6\u8282\uff0c\u53ef\u53c2\u8003<a href=\"https:\/\/www.idcy.com\/help\/?help_category=tech-docs\" title=\"\u5b9d\u5854\u9762\u677f\u670d\u52a1\u5668\u5b89\u5168\u8bbe\u7f6e\" class=\"idcy-auto-link\">\u5b9d\u5854\u9762\u677f\u670d\u52a1\u5668\u5b89\u5168\u8bbe\u7f6e<\/a>\u3002<\/p>\n<p>\u4ea7\u54c1\u9009\u578b\u6216\u9632\u62a4\u8303\u56f4\u8bc4\u4f30\u53ef\u8054\u7cfb<a href=\"https:\/\/www.idcy.com\/about\/\" title=\"\u4ebf\u8fbe\u7f51\u7edc\uff08IDCY GLOBAL\uff09\" class=\"idcy-auto-link\">\u4ebf\u8fbe\u7f51\u7edc\uff08IDCY GLOBAL\uff09<\/a>\u83b7\u53d6\u5f53\u524d\u73af\u5883\u4e0b\u7684\u5efa\u8bae\u3002<\/p>\n<h2>FAQ<\/h2>\n<h3>1. \u4fee\u6539 SSH \u7aef\u53e3\u524d\u9700\u8981\u505a\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5148\u4fdd\u7559\u4e00\u4e2a\u5df2\u767b\u5f55\u7684\u4f1a\u8bdd\uff0c\u5e76\u5907\u4efd sshd_config \u6587\u4ef6\u3002\u65b0\u7aef\u53e3\u5fc5\u987b\u5148\u901a\u8fc7\u9632\u706b\u5899\u653e\u884c\uff0c\u518d\u4fee\u6539\u914d\u7f6e\uff0c\u6700\u540e\u7528\u65b0\u7ec8\u7aef\u6d4b\u8bd5\uff0c\u786e\u8ba4\u53ef\u7528\u540e\u624d\u5173\u95ed\u65e7\u4f1a\u8bdd\u3002<\/p>\n<h3>2. \u4e3a\u4ec0\u4e48\u6e90\u7ad9\u9632\u706b\u5899\u9700\u8981\u9650\u5236\u56de\u6e90 IP\uff1f<\/h3>\n<p>\u9650\u5236\u6e90\u7ad9\u4ec5\u63a5\u53d7\u56de\u6e90 IP\uff0c\u53ef\u4ee5\u51cf\u5c11\u653b\u51fb\u8005\u7ed5\u8fc7\u6e05\u6d17\u8282\u70b9\u76f4\u63a5\u8bf7\u6c42\u6e90\u7ad9\u7684\u538b\u529b\uff0c\u6709\u52a9\u4e8e\u4fdd\u62a4\u6e90\u7ad9\u771f\u5b9e\u5730\u5740\u3002<\/p>\n<h3>3. \u9762\u677f\u5b89\u5168\u914d\u7f6e\u4e2d\u54ea\u4e9b\u9879\u4f18\u5148\uff1f<\/h3>\n<p>\u4f18\u5148\u4fee\u6539\u9ed8\u8ba4\u5165\u53e3\u3001\u5f00\u542f\u9762\u677f SSL\u3001\u9650\u5236\u767b\u5f55 IP \u548c\u5f00\u542f\u767b\u5f55\u544a\u8b66\u3002\u4e0d\u8981\u5c06\u9762\u677f\u7ba1\u7406\u7aef\u53e3\u66b4\u9732\u7ed9\u6240\u6709\u516c\u7f51\u3002<\/p>\n<h3>4. \u5982\u679c\u914d\u7f6e\u540e\u7f51\u7ad9\u65e0\u6cd5\u8bbf\u95ee\u600e\u4e48\u6392\u67e5\uff1f<\/h3>\n<p>\u5148\u68c0\u67e5\u57df\u540d\u89e3\u6790\u662f\u5426\u6307\u5411\u9ad8\u9632 IP\uff0c\u518d\u68c0\u67e5\u6e90\u7ad9\u9632\u706b\u5899\u662f\u5426\u8bef\u62e6\u56de\u6e90 IP\uff0c\u6700\u540e\u786e\u8ba4 Web \u670d\u52a1\u76d1\u542c 80\/443 \u5e76\u67e5\u770b\u9519\u8bef\u65e5\u5fd7\u3002<\/p>\n<h3>5. \u5982\u4f55\u907f\u514d\u9632\u706b\u5899\u89c4\u5219\u5bfc\u81f4\u65e0\u6cd5\u8fdc\u7a0b\u767b\u5f55\uff1f<\/h3>\n<p>\u542f\u7528\u9632\u706b\u5899\u524d\u5148\u653e\u884c SSH \u7aef\u53e3\u548c\u5f53\u524d\u7ba1\u7406 IP\uff0c\u4f7f\u7528 ufw status \u6216 firewall-cmd &#8211;list-all \u786e\u8ba4\u89c4\u5219\uff0c\u4fdd\u7559\u4e00\u4e2a\u6d3b\u52a8\u4f1a\u8bdd\u76f4\u81f3\u9a8c\u8bc1\u5b8c\u6210\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u9ad8\u9632\u670d\u52a1\u5668\u4e0a\u5b9d\u5854\u9762\u677f\u4e0eLinux\u5b89\u5168\u914d\u7f6e\u7684\u6267\u884c\u6b65\u9aa4\uff0c\u5305\u542b\u5907\u4efd\u8981\u6c42\u3001SSH\u52a0\u56fa\u3001\u9632\u706b\u5899\u7b56\u7565\u3001\u6e90\u7ad9\u4fdd\u62a4\u548c\u56de\u6eda\u9a8c\u8bc1\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","rank_math_focus_keyword":"\u5b9d\u5854\u9762\u677f\u670d\u52a1\u5668\u5b89\u5168\u8bbe\u7f6e, Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u6307\u5357, \u7f8e\u56fd\u9632\u5fa1\u670d\u52a1\u5668, \u4ebf\u8fbe\u7f51\u7edc\uff08IDCY 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