{"id":16865,"date":"2024-11-18T10:22:45","date_gmt":"2024-11-18T02:22:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16865\/"},"modified":"2024-11-18T10:22:45","modified_gmt":"2024-11-18T02:22:45","slug":"%e4%bb%8e%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%bc%80%e5%a7%8b%ef%bc%9a%e6%9e%84%e5%bb%ba%e5%ae%89%e5%85%a8%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%8e%af%e5%a2%83","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16865\/","title":{"rendered":"\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169413564824414.jpg\" class=\"aligncenter\" title=\"\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u63d2\u56fe\" alt=\"\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u63d2\u56fe\" \/><\/p>\n<p>\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883<\/p>\n<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4f01\u4e1a\u548c\u4e2a\u4eba\u5f00\u59cb\u642d\u5efa\u81ea\u5df1\u7684\u670d\u52a1\u5668\u6765\u6258\u7ba1\u7f51\u7ad9\u3001\u5e94\u7528\u7a0b\u5e8f\u7b49\u3002\u4f46\u662f\uff0c\u5b89\u5168\u95ee\u9898\u4e5f\u968f\u4e4b\u800c\u6765\u3002\u4e3a\u4e86\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u6211\u4eec\u9700\u8981\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\u6784\u5efa\u4e00\u4e2a\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5173\u952e\u7684\u6b65\u9aa4\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u6784\u5efa\u4e00\u4e2a\u66f4\u52a0\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u3002<\/p>\n<ol>\n<li>\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6<\/li>\n<\/ol>\n<p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u8981\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\u90fd\u662f\u6700\u65b0\u7684\u7248\u672c\u3002\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u5305\uff1a<\/p>\n<pre>sudo apt update\nsudo apt upgrade\nsudo apt dist-upgrade<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u66f4\u6539SSH\u7aef\u53e3<\/li>\n<\/ol>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u4f7f\u752822\u7aef\u53e3\u3002\u4e3a\u4e86\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06SSH\u7aef\u53e3\u66f4\u6539\u4e3a\u5176\u4ed6\u7aef\u53e3\u3002\u4f8b\u5982\uff0c\u5c06SSH\u7aef\u53e3\u66f4\u6539\u4e3a2222\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>sudo nano \/etc\/ssh\/sshd_config<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>#Port 22<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06\u5176\u4fee\u6539\u4e3a\uff1a<\/p>\n<pre>Port 2222<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u91cd\u65b0\u52a0\u8f7dSSH\u670d\u52a1\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u5f00\u673a\u81ea\u542f\u52a8\uff1a<\/p>\n<pre>sudo systemctl reload sshd\nsudo systemctl enable sshd<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u914d\u7f6e\u9632\u706b\u5899<\/li>\n<\/ol>\n<p>\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ufw\u6765\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u9996\u5148\uff0c\u5b89\u88c5ufw\uff1a<\/p>\n<pre>sudo apt install ufw<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7136\u540e\uff0c\u542f\u7528\u9632\u706b\u5899\u5e76\u8bbe\u7f6e\u9ed8\u8ba4\u89c4\u5219\uff1a<\/p>\n<pre>sudo ufw enable\nsudo ufw default deny incoming\nsudo ufw default allow outgoing<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u8bbe\u7f6e\u5141\u8bb8\u7684\u7aef\u53e3\u3002\u4f8b\u5982\uff0c\u5141\u8bb8SSH\u3001HTTP\u548cHTTPS\u6d41\u91cf\uff1a<\/p>\n<pre>sudo ufw allow 2222\/tcp\nsudo ufw allow 80\/tcp\nsudo ufw allow 443\/tcp<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6700\u540e\uff0c\u91cd\u65b0\u52a0\u8f7d\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n<pre>sudo ufw reload<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u5b89\u88c5\u548c\u914d\u7f6eFail2Ban<\/li>\n<\/ol>\n<p>Fail2Ban\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u9632\u62a4\u5de5\u5177\uff0c\u53ef\u4ee5\u9632\u6b62\u66b4\u529b\u7834\u89e3\u3001\u6076\u610f\u767b\u5f55\u7b49\u653b\u51fb\u3002\u9996\u5148\uff0c\u5b89\u88c5Fail2Ban\uff1a<\/p>\n<pre>sudo apt install fail2ban<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7136\u540e\uff0c\u590d\u5236\u9ed8\u8ba4\u914d\u7f6e\u6587\u4ef6\u5e76\u8fdb\u884c\u4fee\u6539\uff1a<\/p>\n<pre>sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\nsudo nano \/etc\/fail2ban\/jail.local<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>[sshd]<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06\u5176\u4fee\u6539\u4e3a\uff1a<\/p>\n<pre>[sshd]\nenabled = true\nport = ssh<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u6700\u540e\uff0c\u91cd\u65b0\u52a0\u8f7dFail2Ban\u914d\u7f6e\uff1a<\/p>\n<pre>sudo systemctl reload fail2ban\nsudo systemctl enable fail2ban<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u914d\u7f6e\u5b9a\u671f\u5907\u4efd<\/li>\n<\/ol>\n<p>\u5b9a\u671f\u5907\u4efd\u662f\u786e\u4fdd\u670d\u52a1\u5668\u6570\u636e\u5b89\u5168\u7684\u5173\u952e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528rsync\u6765\u5b9e\u73b0\u5b9a\u671f\u5907\u4efd\u3002\u9996\u5148\uff0c\u5b89\u88c5rsync\uff1a<\/p>\n<pre>sudo apt install rsync<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7136\u540e\uff0c\u521b\u5efa\u4e00\u4e2a\u5907\u4efd\u811a\u672c\u6587\u4ef6\uff1a<\/p>\n<pre>nano backup.sh<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6dfb\u52a0\u5230\u5907\u4efd\u811a\u672c\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre>#!\/bin\/bash\n\nBACKUP_DIR=\"\/path\/to\/backup\/directory\"\nSOURCE_DIR=\"\/path\/to\/source\/directory\"\n\nrsync -avz --delete $SOURCE_DIR $BACKUP_DIR<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06\/path\/to\/backup\/directory\u66ff\u6362\u4e3a\u60a8\u5e0c\u671b\u5b58\u653e\u5907\u4efd\u7684\u76ee\u6807\u76ee\u5f55\uff0c\u5c06\/path\/to\/source\/directory\u66ff\u6362\u4e3a\u60a8\u9700\u8981\u5907\u4efd\u7684\u6e90\u76ee\u5f55\u3002\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u8bbe\u7f6e\u5907\u4efd\u811a\u672c\u4e3a\u53ef\u6267\u884c\u6587\u4ef6\u5e76\u521b\u5efa\u5b9a\u65f6\u4efb\u52a1\uff1a<\/p>\n<pre>chmod +x backup.sh\ncrontab -e<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6dfb\u52a0\u4ee5\u4e0b\u884c\u4ee5\u6bcf\u5929\u51cc\u66683\u70b9\u6267\u884c\u5907\u4efd\u811a\u672c\uff1a<\/p>\n<pre>0 3 * * * \/path\/to\/backup.sh<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<p>\u901a\u8fc7\u6309\u7167\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u5728\u547d\u4ee4\u884c\u4e0a\u6784\u5efa\u4e00\u4e2a\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u3002\u8fd9\u5c06\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u66f4\u52a0\u5b89\u5168\uff0c\u6709\u6548\u5730\u4fdd\u62a4\u60a8\u7684\u6570\u636e\u548c\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u6076\u610f\u653b\u51fb\u3002\u8bb0\u5f97\u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u3001\u66f4\u6539SSH\u7aef\u53e3\u3001\u914d\u7f6e\u9632\u706b\u5899\u3001\u5b89\u88c5\u548c\u914d\u7f6eFail2Ban\u3001\u8bbe\u7f6e\u5b9a\u671f\u5907\u4efd\u7b49\u5173\u952e\u6b65\u9aa4\u3002\u5e0c\u671b\u672c\u6587\u80fd\u4e3a\u60a8\u6784\u5efa\u4e00\u4e2a\u66f4\u52a0\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u63d0\u4f9b\u5e2e\u52a9\u3002<\/p>\n<hr>\n<p>\u4ee5\u4e0a\u662f\u8fd11500\u4e2a\u5b57\u7684\u4e2d\u6587\u6587\u7ae0\uff0c\u6807\u9898\u4e3a\u201c\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u201d\u3002\u6587\u7ae0\u4e2d\u7ed9\u51fa\u4e86\u4e00\u4e9b\u5173\u952e\u7684\u6b65\u9aa4\u548c\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u6784\u5efa\u4e00\u4e2a\u66f4\u52a0\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\uff1a\u6784\u5efa\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883 \u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4f01\u4e1a\u548c\u4e2a\u4eba\u5f00\u59cb\u642d\u5efa\u81ea\u5df1\u7684\u670d\u52a1\u5668\u6765\u6258\u7ba1\u7f51\u7ad9\u3001\u5e94\u7528\u7a0b\u5e8f\u7b49\u3002\u4f46\u662f\uff0c\u5b89\u5168\u95ee\u9898\u4e5f\u968f\u4e4b\u800c\u6765\u3002\u4e3a\u4e86\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u6211\u4eec\u9700\u8981\u4ece\u547d\u4ee4\u884c\u5f00\u59cb\u6784\u5efa\u4e00\u4e2a\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5173\u952e\u7684\u6b65\u9aa4\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u6784\u5efa\u4e00\u4e2a\u66f4\u52a0\u5b89\u5168\u7684Linux\u670d\u52a1\u5668\u73af\u5883\u3002 \u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6 \u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u8981\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\u90fd\u662f\u6700\u65b0\u7684\u7248\u672c\u3002\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u5305\uff1a sudo apt update sudo apt upgrade sudo apt dist-upgrade \u767b\u5f55\u540e\u590d\u5236 \u66f4\u6539SSH\u7aef\u53e3 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u4f7f\u752822\u7aef\u53e3\u3002\u4e3a\u4e86\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06SSH\u7aef\u53e3\u66f4\u6539\u4e3a\u5176\u4ed6\u7aef\u53e3\u3002\u4f8b\u5982\uff0c\u5c06SSH\u7aef\u53e3\u66f4\u6539\u4e3a2222\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo nano \/etc\/ssh\/sshd_config \u767b\u5f55\u540e\u590d\u5236 \u627e\u5230\u4ee5\u4e0b\u884c\uff1a #Port 22 \u767b\u5f55\u540e\u590d\u5236 \u5c06\u5176\u4fee\u6539\u4e3a\uff1a Port 2222 \u767b\u5f55\u540e\u590d\u5236 \u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u91cd\u65b0\u52a0\u8f7dSSH\u670d\u52a1\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u5f00\u673a\u81ea\u542f\u52a8\uff1a sudo systemctl reload sshd sudo systemctl enable sshd \u767b\u5f55\u540e\u590d\u5236 \u914d\u7f6e\u9632\u706b\u5899 \u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ufw\u6765\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u9996\u5148\uff0c\u5b89\u88c5ufw\uff1a sudo apt install ufw \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u542f\u7528\u9632\u706b\u5899\u5e76\u8bbe\u7f6e\u9ed8\u8ba4\u89c4\u5219\uff1a sudo ufw enable sudo ufw default deny incoming sudo 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