{"id":51059,"date":"2024-12-03T08:33:32","date_gmt":"2024-12-03T00:33:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51059\/"},"modified":"2024-12-03T08:33:32","modified_gmt":"2024-12-03T00:33:32","slug":"%e9%81%bf%e5%85%8d%e5%b8%b8%e8%a7%81%e7%9a%84ssh%e5%ae%89%e5%85%a8%e6%bc%8f%e6%b4%9e%e5%92%8c%e6%94%bb%e5%87%bb%ef%bc%9a%e4%bf%9d%e6%8a%a4%e6%82%a8%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51059\/","title":{"rendered":"\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668<\/h1>\n<p>\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300a\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<p>\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0cLinux\u670d\u52a1\u5668\u5df2\u6210\u4e3a\u8bb8\u591a\u7ec4\u7ec7\u548c\u4e2a\u4eba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7136\u800c\uff0c\u6b63\u5982\u6240\u6709\u4e92\u8054\u7f51\u76f8\u5173\u7684\u6280\u672f\u4e00\u6837\uff0cLinux\u670d\u52a1\u5668\u4e5f\u9762\u4e34\u7740\u5b89\u5168\u5a01\u80c1\u3002\u5176\u4e2d\uff0cSSH\uff08Secure Shell\uff09\u662f\u8fdc\u7a0b\u7ba1\u7406\u548c\u4f20\u8f93\u6587\u4ef6\u7684\u5e38\u7528\u534f\u8bae\u3002\u4e3a\u4e86\u786e\u4fdd\u60a8\u7684Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u907f\u514d\u5e38\u89c1SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u66f4\u6539SSH\u9ed8\u8ba4\u7aef\u53e3<br \/>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u5668\u76d1\u542c22\u53f7\u7aef\u53e3\u3002\u8fd9\u5f88\u5bb9\u6613\u88ab\u9ed1\u5ba2\u53d1\u73b0\u5e76\u5c1d\u8bd5\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3002\u4e3a\u4e86\u589e\u52a0\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u5c06SSH\u7aef\u53e3\u66f4\u6539\u4e3a\u975e\u6807\u51c6\u7aef\u53e3\uff0c\u4f8b\u59822222\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u6076\u610f\u5165\u4fb5\u7684\u98ce\u9669\u3002\u8981\u66f4\u6539SSH\u7aef\u53e3\uff0c\u8bf7\u7f16\u8f91SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6<code>\/etc\/ssh\/sshd_config<\/code>\uff0c\u627e\u5230\u5e76\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>#Port 22\nPort 2222<\/pre>\n<p>\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002<\/p>\n<p>\u4e8c\u3001\u7981\u7528SSH\u5bc6\u7801\u767b\u5f55\uff0c\u542f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1<br \/>SSH\u5bc6\u7801\u767b\u5f55\u5bb9\u6613\u53d7\u5230\u66b4\u529b\u7834\u89e3\u7684\u653b\u51fb\u3002\u4e3a\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u6211\u4eec\u5efa\u8bae\u7981\u7528SSH\u5bc6\u7801\u767b\u5f55\uff0c\u53ea\u5141\u8bb8SSH\u5bc6\u94a5\u8ba4\u8bc1\u3002SSH\u5bc6\u94a5\u8ba4\u8bc1\u4f7f\u7528\u516c\u94a5\u548c\u79c1\u94a5\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u6bd4\u4f20\u7edf\u7684\u5bc6\u7801\u65b9\u5f0f\u66f4\u52a0\u5b89\u5168\u53ef\u9760\u3002<\/p>\n<ol>\n<li>\n<p>\u751f\u6210SSH\u5bc6\u94a5\u5bf9<br \/>\u5728\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u751f\u6210SSH\u5bc6\u94a5\u5bf9\u3002\u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>ssh-keygen -t rsa<\/pre>\n<p>\u6309\u7167\u63d0\u793a\u64cd\u4f5c\uff0c\u751f\u6210\u7684\u5bc6\u94a5\u4f1a\u4fdd\u5b58\u5728<code>~\/.ssh<\/code>\u76ee\u5f55\u4e0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0a\u4f20\u516c\u94a5\u5230\u670d\u52a1\u5668<br \/>\u5c06\u751f\u6210\u7684\u516c\u94a5\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>ssh-copy-id -i ~\/.ssh\/id_rsa.pub user@your_server_ip<\/pre>\n<p>\u5176\u4e2d<code>user<\/code>\u662f\u60a8\u7684\u7528\u6237\u540d\uff0c<code>your_server_ip<\/code>\u662f\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002<\/p>\n<\/li>\n<li>\n<p>\u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6<br \/>\u7f16\u8f91SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6<code>\/etc\/ssh\/sshd_config<\/code>\uff0c\u627e\u5230\u5e76\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>PasswordAuthentication no\nPubkeyAuthentication yes<\/pre>\n<p>\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4e09\u3001\u9650\u5236SSH\u7528\u6237\u767b\u5f55<br \/>\u4e3a\u4e86\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u9650\u5236\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u7528\u6237\u767b\u5f55SSH\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u672a\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<ol>\n<li>\n<p>\u521b\u5efa\u4e13\u7528SSH\u7ec4<br \/>\u5728Linux\u670d\u52a1\u5668\u4e0a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u4e13\u7528\u7684SSH\u7528\u6237\u7ec4\uff1a<\/p>\n<pre>sudo groupadd sshusers<\/pre>\n<\/li>\n<li>\n<p>\u6dfb\u52a0\u5141\u8bb8SSH\u8bbf\u95ee\u7684\u7528\u6237<br \/>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u7528\u6237\u6dfb\u52a0\u5230SSH\u7528\u6237\u7ec4\uff1a<\/p>\n<pre>sudo usermod -aG sshusers username<\/pre>\n<p>\u5176\u4e2d<code>username<\/code>\u662f\u60a8\u8981\u6dfb\u52a0\u7684\u7528\u6237\u540d\u3002<\/p>\n<\/li>\n<li>\n<p>\u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6<br \/>\u7f16\u8f91SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6<code>\/etc\/ssh\/sshd_config<\/code>\uff0c\u627e\u5230\u5e76\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>AllowGroups sshusers<\/pre>\n<p>\u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u56db\u3001\u9650\u5236SSH\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570<br \/>\u66b4\u529b\u7834\u89e3\u662f\u9ed1\u5ba2\u5e38\u7528\u7684\u653b\u51fb\u65b9\u5f0f\u4e4b\u4e00\u3002\u4e3a\u4e86\u9632\u6b62\u66b4\u529b\u7834\u89e3SSH\u5bc6\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236SSH\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\uff0c\u5e76\u8bbe\u7f6e\u767b\u5f55\u5931\u8d25\u7981\u6b62\u4e00\u6bb5\u65f6\u95f4\u3002<\/p>\n<ol>\n<li>\n<p>\u5b89\u88c5\u5931\u8d25\u767b\u5f55\u5c1d\u8bd5\u8ba1\u6570\u5668<br \/>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5<code>fail2ban<\/code>\uff1a<\/p>\n<pre>sudo apt-get install fail2ban<\/pre>\n<\/li>\n<li>\n<p>\u914d\u7f6e<code>fail2ban<\/code><br \/>\u7f16\u8f91<code>fail2ban<\/code>\u914d\u7f6e\u6587\u4ef6<code>\/etc\/fail2ban\/jail.local<\/code>\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre>[sshd]\nenabled = true\nport = ssh\nfilter = sshd\nlogpath = \/var\/log\/auth.log\nmaxretry = 5\nbantime = 3600<\/pre>\n<p>\u7136\u540e\u91cd\u542f<code>fail2ban<\/code>\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u603b\u7ed3\uff1a<br \/>\u901a\u8fc7\u66f4\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\u3001\u7981\u7528SSH\u5bc6\u7801\u767b\u5f55\u3001\u542f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1\u3001\u9650\u5236SSH\u7528\u6237\u767b\u5f55\u548c\u9650\u5236SSH\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\uff0c\u60a8\u53ef\u4ee5\u5927\u5927\u589e\u5f3aLinux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\u3002\u4fdd\u62a4\u60a8\u7684\u670d\u52a1\u5668\u4e0d\u88ab\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u662f\u60a8\u4f5c\u4e3a\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u8d23\u4efb\u4e4b\u4e00\u3002<\/p>\n<p>\u53c2\u8003\u4ee3\u7801\u793a\u4f8b\u4ec5\u4f9b\u53c2\u8003\uff0c\u5177\u4f53\u5b9e\u65bd\u53ef\u80fd\u56e0\u670d\u52a1\u5668\u73af\u5883\u548c\u9700\u6c42\u800c\u6709\u6240\u4e0d\u540c\u3002\u5728\u5b9e\u65bd\u65f6\uff0c\u8bf7\u52a1\u5fc5\u8c28\u614e\u64cd\u4f5c\uff0c\u5e76\u786e\u4fdd\u5907\u4efd\u6570\u636e\u4ee5\u907f\u514d\u610f\u5916\u60c5\u51b5\u7684\u53d1\u751f\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u6f0f\u6d1e\u9632\u62a4,SSH\u5b89\u5168,Linux\u670d\u52a1\u5668\u4fdd\u62a4\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u6df1\u5165\u4e86\u89e3PHP8\u65b0\u7279\u6027\u53ca\u5176\u5e95\u5c42\u5f00\u53d1\u539f\u7406\uff1a\u6784\u5efa\u53ef\u6269\u5c55\u7684Web\u5e94\u7528\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668 \u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300a\u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002 \u907f\u514d\u5e38\u89c1\u7684SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668 \u5f15\u8a00\uff1a\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0cLinux\u670d\u52a1\u5668\u5df2\u6210\u4e3a\u8bb8\u591a\u7ec4\u7ec7\u548c\u4e2a\u4eba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7136\u800c\uff0c\u6b63\u5982\u6240\u6709\u4e92\u8054\u7f51\u76f8\u5173\u7684\u6280\u672f\u4e00\u6837\uff0cLinux\u670d\u52a1\u5668\u4e5f\u9762\u4e34\u7740\u5b89\u5168\u5a01\u80c1\u3002\u5176\u4e2d\uff0cSSH\uff08Secure Shell\uff09\u662f\u8fdc\u7a0b\u7ba1\u7406\u548c\u4f20\u8f93\u6587\u4ef6\u7684\u5e38\u7528\u534f\u8bae\u3002\u4e3a\u4e86\u786e\u4fdd\u60a8\u7684Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u907f\u514d\u5e38\u89c1SSH\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u66f4\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u5668\u76d1\u542c22\u53f7\u7aef\u53e3\u3002\u8fd9\u5f88\u5bb9\u6613\u88ab\u9ed1\u5ba2\u53d1\u73b0\u5e76\u5c1d\u8bd5\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3002\u4e3a\u4e86\u589e\u52a0\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u5c06SSH\u7aef\u53e3\u66f4\u6539\u4e3a\u975e\u6807\u51c6\u7aef\u53e3\uff0c\u4f8b\u59822222\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u6076\u610f\u5165\u4fb5\u7684\u98ce\u9669\u3002\u8981\u66f4\u6539SSH\u7aef\u53e3\uff0c\u8bf7\u7f16\u8f91SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\/etc\/ssh\/sshd_config\uff0c\u627e\u5230\u5e76\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a #Port 22 Port 2222 \u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002 \u4e8c\u3001\u7981\u7528SSH\u5bc6\u7801\u767b\u5f55\uff0c\u542f\u7528SSH\u5bc6\u94a5\u8ba4\u8bc1SSH\u5bc6\u7801\u767b\u5f55\u5bb9\u6613\u53d7\u5230\u66b4\u529b\u7834\u89e3\u7684\u653b\u51fb\u3002\u4e3a\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u6211\u4eec\u5efa\u8bae\u7981\u7528SSH\u5bc6\u7801\u767b\u5f55\uff0c\u53ea\u5141\u8bb8SSH\u5bc6\u94a5\u8ba4\u8bc1\u3002SSH\u5bc6\u94a5\u8ba4\u8bc1\u4f7f\u7528\u516c\u94a5\u548c\u79c1\u94a5\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u6bd4\u4f20\u7edf\u7684\u5bc6\u7801\u65b9\u5f0f\u66f4\u52a0\u5b89\u5168\u53ef\u9760\u3002 \u751f\u6210SSH\u5bc6\u94a5\u5bf9\u5728\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u751f\u6210SSH\u5bc6\u94a5\u5bf9\u3002\u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a ssh-keygen -t rsa \u6309\u7167\u63d0\u793a\u64cd\u4f5c\uff0c\u751f\u6210\u7684\u5bc6\u94a5\u4f1a\u4fdd\u5b58\u5728~\/.ssh\u76ee\u5f55\u4e0b\u3002 \u4e0a\u4f20\u516c\u94a5\u5230\u670d\u52a1\u5668\u5c06\u751f\u6210\u7684\u516c\u94a5\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a ssh-copy-id -i ~\/.ssh\/id_rsa.pub user@your_server_ip \u5176\u4e2duser\u662f\u60a8\u7684\u7528\u6237\u540d\uff0cyour_server_ip\u662f\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002 \u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6\u7f16\u8f91SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\/etc\/ssh\/sshd_config\uff0c\u627e\u5230\u5e76\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a PasswordAuthentication no PubkeyAuthentication yes \u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002 \u4e09\u3001\u9650\u5236SSH\u7528\u6237\u767b\u5f55\u4e3a\u4e86\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u9650\u5236\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u7528\u6237\u767b\u5f55SSH\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u672a\u6388\u6743\u7684\u8bbf\u95ee\u3002 \u521b\u5efa\u4e13\u7528SSH\u7ec4\u5728Linux\u670d\u52a1\u5668\u4e0a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u4e13\u7528\u7684SSH\u7528\u6237\u7ec4\uff1a sudo groupadd sshusers \u6dfb\u52a0\u5141\u8bb8SSH\u8bbf\u95ee\u7684\u7528\u6237\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u7528\u6237\u6dfb\u52a0\u5230SSH\u7528\u6237\u7ec4\uff1a sudo usermod -aG sshusers username \u5176\u4e2dusername\u662f\u60a8\u8981\u6dfb\u52a0\u7684\u7528\u6237\u540d\u3002 \u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6\u7f16\u8f91SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\/etc\/ssh\/sshd_config\uff0c\u627e\u5230\u5e76\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a AllowGroups sshusers \u7136\u540e\u91cd\u542fSSH\u670d\u52a1\u3002 \u56db\u3001\u9650\u5236SSH\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u66b4\u529b\u7834\u89e3\u662f\u9ed1\u5ba2\u5e38\u7528\u7684\u653b\u51fb\u65b9\u5f0f\u4e4b\u4e00\u3002\u4e3a\u4e86\u9632\u6b62\u66b4\u529b\u7834\u89e3SSH\u5bc6\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236SSH\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\uff0c\u5e76\u8bbe\u7f6e\u767b\u5f55\u5931\u8d25\u7981\u6b62\u4e00\u6bb5\u65f6\u95f4\u3002 \u5b89\u88c5\u5931\u8d25\u767b\u5f55\u5c1d\u8bd5\u8ba1\u6570\u5668\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5fail2ban\uff1a sudo apt-get install fail2ban \u914d\u7f6efail2ban\u7f16\u8f91fail2ban\u914d\u7f6e\u6587\u4ef6\/etc\/fail2ban\/jail.local\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a [sshd] enabled = [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51059","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51059"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51059\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}