{"id":51088,"date":"2024-12-03T11:43:10","date_gmt":"2024-12-03T03:43:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51088\/"},"modified":"2024-12-03T11:43:10","modified_gmt":"2024-12-03T03:43:10","slug":"%e6%8f%90%e9%ab%98linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e4%b9%8b%e6%97%85-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51088\/","title":{"rendered":"\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5"},"content":{"rendered":"

<\/b> <\/p>\n

\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5<\/p>\n

\u5728\u5f53\u524d\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002Linux\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u5e26\u60a8\u5c55\u5f00\u4e00\u573a\u4ee4\u4eba\u6fc0\u52a8\u7684\u547d\u4ee4\u884c\u4e4b\u65c5\uff0c\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u6765\u52a0\u56fa\u60a8\u7684Linux\u670d\u52a1\u5668\u3002<\/p>\n

    \n
  1. \u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6<\/li>\n<\/ol>\n

    \u9996\u5148\uff0c\u786e\u4fdd\u60a8\u7684Linux\u7cfb\u7edf\u548c\u5b89\u88c5\u7684\u8f6f\u4ef6\u90fd\u662f\u6700\u65b0\u7684\u7248\u672c\u3002\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u53ef\u4ee5\u5e2e\u52a9\u4fee\u590d\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u5e76\u63d0\u4f9b\u66f4\u597d\u7684\u5b89\u5168\u6027\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff1a<\/p>\n

    sudo apt update\nsudo apt upgrade<\/pre>\n
      \n
    1. \u52a0\u56faSSH \u8bbf\u95ee<\/li>\n<\/ol>\n
      SSH\u662f\u8fdc\u7a0b\u7ba1\u7406Linux\u670d\u52a1\u5668\u7684\u5e38\u7528\u5de5\u5177\uff0c\u4f46\u540c\u65f6\u4e5f\u662f\u653b\u51fb\u8005\u7684\u4e3b\u8981\u5165\u53e3\u4e4b\u4e00\u3002\u4e3a\u4e86\u52a0\u56faSSH\u8bbf\u95ee\uff0c\u60a8\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n
      2.1. \u7981\u7528root\u8d26\u6237\u767b\u5f55<\/p>\n
      root\u8d26\u6237\u662f\u6700\u9ad8\u6743\u9650\u7684\u8d26\u6237\uff0c\u653b\u51fb\u8005\u901a\u5e38\u4f1a\u8bd5\u56fe\u731c\u6d4b\u5176\u5bc6\u7801\u6765\u8fdb\u884c\u653b\u51fb\u3002\u7981\u7528root\u8d26\u6237\u767b\u5f55\u53ef\u4ee5\u51cf\u5c11\u653b\u51fb\u9762\u3002\u5728\/etc\/ssh\/sshd_config<\/code>\u6587\u4ef6\u4e2d\uff0c\u627e\u5230PermitRootLogin<\/code>\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3ano<\/code>\uff1a<\/p>\n
      PermitRootLogin no<\/pre>\n
      \u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\uff1a<\/p>\n
      sudo service ssh restart<\/pre>\n
      2.2. \u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55<\/p>\n
      \u4f7f\u7528SSH\u5bc6\u94a5\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u53ef\u4ee5\u66f4\u52a0\u5b89\u5168\uff0c\u56e0\u4e3a\u5b83\u6bd4\u5bc6\u7801\u66f4\u96be\u4ee5\u88ab\u7834\u89e3\u3002\u751f\u6210SSH\u5bc6\u94a5\u5bf9\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
      ssh-keygen -t rsa -b 4096<\/pre>\n
      \u6309\u7167\u63d0\u793a\u751f\u6210\u5bc6\u94a5\u5bf9\u3002\u7136\u540e\u5c06\u516c\u94a5\u6dfb\u52a0\u5230\u670d\u52a1\u5668\u4e0a\u7684~\/.ssh\/authorized_keys<\/code>\u6587\u4ef6\u4e2d\u3002\u5c06\u79c1\u94a5\u4fdd\u5b58\u5728\u672c\u5730\uff0c\u5e76\u786e\u4fdd\u6743\u9650\u8bbe\u7f6e\u4e3a600\u6216\u66f4\u9ad8\u3002<\/p>\n
      \u63a5\u4e0b\u6765\uff0c\u60a8\u53ef\u4ee5\u4fee\u6539\/etc\/ssh\/sshd_config<\/code>\u6587\u4ef6\u6765\u5f3a\u5236\u4f7f\u7528SSH\u5bc6\u94a5\u8fdb\u884c\u767b\u5f55\uff1a<\/p>\n
      PasswordAuthentication no<\/pre>\n
      \u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\u3002<\/p>\n
        \n
      1. \u9632\u706b\u5899\u8bbe\u7f6e<\/li>\n<\/ol>\n
        \u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u91cd\u8981\u5de5\u5177\u3002\u4f7f\u7528iptables\u547d\u4ee4\u53ef\u4ee5\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n
        3.1. \u5c4f\u853d\u6307\u5b9aIP\u5730\u5740<\/p>\n
        \u5982\u679c\u60a8\u5e0c\u671b\u5c4f\u853d\u7279\u5b9a\u7684IP\u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
        iptables -A INPUT -s 192.168.1.100 -j DROP<\/pre>\n
        3.2. \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u8bbf\u95ee<\/p>\n
        \u5982\u679c\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u7aef\u53e3\u8bbf\u95ee\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
        iptables -A INPUT -p tcp --dport 22 -j ACCEPT\niptables -A INPUT -p tcp --dport 80 -j ACCEPT<\/pre>\n
        \u4ee5\u4e0a\u547d\u4ee4\u5c06\u5141\u8bb8SSH\u548cHTTP\u7684\u8bbf\u95ee\u3002\u786e\u4fdd\u60a8\u6839\u636e\u5b9e\u9645\u9700\u6c42\u4fee\u6539\u7aef\u53e3\u53f7\u3002<\/p>\n
        3.3. \u963b\u6b62\u6240\u6709\u975e\u6307\u5b9a\u7aef\u53e3\u8bbf\u95ee<\/p>\n
        \u5982\u679c\u60a8\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u7aef\u53e3\u8bbf\u95ee\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
        iptables -A INPUT -p tcp --dport 22 -j ACCEPT\niptables -A INPUT -j DROP<\/pre>\n
        \u4ee5\u4e0a\u547d\u4ee4\u5c06\u5141\u8bb8SSH\u7684\u8bbf\u95ee\uff0c\u5e76\u4e14\u963b\u6b62\u6240\u6709\u5176\u4ed6\u7aef\u53e3\u7684\u8bbf\u95ee\u3002<\/p>\n
          \n
        1. \u5b9a\u65f6\u5907\u4efd<\/li>\n<\/ol>\n
          \u5b9a\u65f6\u5907\u4efd\u670d\u52a1\u5668\u7684\u6570\u636e\u548c\u914d\u7f6e\u6587\u4ef6\u662f\u4e00\u9879\u91cd\u8981\u7684\u5b89\u5168\u63aa\u65bd\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528crontab<\/code>\u547d\u4ee4\u6765\u8bbe\u7f6e\u5b9a\u65f6\u5907\u4efd\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n
          \u6253\u5f00\u7ec8\u7aef\u5e76\u8f93\u5165\uff1a<\/p>\n
          crontab -e<\/pre>\n
          \u5728\u6253\u5f00\u7684\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\u6765\u8bbe\u7f6e\u6bcf\u5929\u5b9a\u65f6\u5907\u4efd\uff1a<\/p>\n
          0 2 * * * rsync -avz \/var\/www \/path\/to\/backup<\/pre>\n
          \u4ee5\u4e0a\u547d\u4ee4\u5c06\u5728\u6bcf\u5929\u51cc\u66682\u70b9\u5907\u4efd\/var\/www\u76ee\u5f55\u5230\u6307\u5b9a\u7684\u8def\u5f84\u3002<\/p>\n
            \n
          1. \u5b89\u5168\u52a0\u56fa\u5176\u4ed6\u670d\u52a1<\/li>\n<\/ol>\n
            \u9664\u4e86SSH\u5916\uff0c\u60a8\u8fd8\u9700\u786e\u4fdd\u5176\u4ed6\u670d\u52a1\u7684\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u52a0\u56faApache Web\u670d\u52a1\u5668\uff1a<\/p>\n
            5.1. \u7981\u7528\u76ee\u5f55\u6d4f\u89c8<\/p>\n
            \u5728\/etc\/apache2\/apache2.conf<\/code>\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u786e\u4fdd\u5176\u524d\u9762\u6ca1\u6709\u6ce8\u91ca\u7b26\u53f7\uff08#\uff09\uff1a<\/p>\n
            Options -Indexes<\/pre>\n
            5.2. \u9690\u85cf\u670d\u52a1\u5668\u7248\u672c\u4fe1\u606f<\/p>\n
            \u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u627e\u5230\u4ee5\u4e0b\u884c\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3aOff<\/code>\uff1a<\/p>\n
            ServerTokens Prod<\/pre>\n
            \u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8Apache\u670d\u52a1\u3002<\/p>\n
            \u8fd9\u53ea\u662f\u63d0\u9ad8\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u4e00\u5c0f\u90e8\u5206\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u548c\u63aa\u65bd\uff0c\u60a8\u53ef\u4ee5\u589e\u5f3a\u60a8\u7684Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u964d\u4f4e\u906d\u53d7\u653b\u51fb\u7684\u98ce\u9669\u3002\u8bb0\u4f4f\uff0c\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u4e00\u9879\u6301\u4e45\u7684\u4efb\u52a1\uff0c\u9700\u8981\u7ecf\u5e38\u5b9a\u671f\u5ba1\u67e5\u548c\u66f4\u65b0\u63aa\u65bd\u3002<\/p>\n
            \u672c\u6587\u4e2d\u63d0\u4f9b\u7684\u547d\u4ee4\u884c\u793a\u4f8b\u53ea\u662f\u57fa\u7840\u77e5\u8bc6\uff0c\u5982\u679c\u60a8\u60f3\u8fdb\u4e00\u6b65\u52a0\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5efa\u8bae\u60a8\u6df1\u5165\u5b66\u4e60\u76f8\u5173\u6280\u672f\u548c\u66f4\u9ad8\u7ea7\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n
            \u795d\u60a8\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u65e0\u5fe7\uff01<\/p>\n
            \u4ee5\u4e0a\u5c31\u662f\u300a\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u5b89\u5168\u6027 (Security),Linux\u670d\u52a1\u5668 (Linux Server),\u547d\u4ee4\u884c (command line)\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
            \n
            <\/dt>\n
            \n   Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\uff1a\u63d0\u9ad8Web\u63a5\u53e3\u4fdd\u62a4\u6027\u7684\u521b\u65b0\u63aa\u65bd\u3002\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5 \u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01 \u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u547d\u4ee4\u884c\u4e4b\u65c5 \u5728\u5f53\u524d\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002Linux\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u5e26\u60a8\u5c55\u5f00\u4e00\u573a\u4ee4\u4eba\u6fc0\u52a8\u7684\u547d\u4ee4\u884c\u4e4b\u65c5\uff0c\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u6765\u52a0\u56fa\u60a8\u7684Linux\u670d\u52a1\u5668\u3002 \u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6 \u9996\u5148\uff0c\u786e\u4fdd\u60a8\u7684Linux\u7cfb\u7edf\u548c\u5b89\u88c5\u7684\u8f6f\u4ef6\u90fd\u662f\u6700\u65b0\u7684\u7248\u672c\u3002\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u53ef\u4ee5\u5e2e\u52a9\u4fee\u590d\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u5e76\u63d0\u4f9b\u66f4\u597d\u7684\u5b89\u5168\u6027\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff1a sudo apt update sudo apt upgrade \u52a0\u56faSSH \u8bbf\u95ee SSH\u662f\u8fdc\u7a0b\u7ba1\u7406Linux\u670d\u52a1\u5668\u7684\u5e38\u7528\u5de5\u5177\uff0c\u4f46\u540c\u65f6\u4e5f\u662f\u653b\u51fb\u8005\u7684\u4e3b\u8981\u5165\u53e3\u4e4b\u4e00\u3002\u4e3a\u4e86\u52a0\u56faSSH\u8bbf\u95ee\uff0c\u60a8\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a 2.1. \u7981\u7528root\u8d26\u6237\u767b\u5f55 root\u8d26\u6237\u662f\u6700\u9ad8\u6743\u9650\u7684\u8d26\u6237\uff0c\u653b\u51fb\u8005\u901a\u5e38\u4f1a\u8bd5\u56fe\u731c\u6d4b\u5176\u5bc6\u7801\u6765\u8fdb\u884c\u653b\u51fb\u3002\u7981\u7528root\u8d26\u6237\u767b\u5f55\u53ef\u4ee5\u51cf\u5c11\u653b\u51fb\u9762\u3002\u5728\/etc\/ssh\/sshd_config\u6587\u4ef6\u4e2d\uff0c\u627e\u5230PermitRootLogin\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3ano\uff1a PermitRootLogin no \u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\uff1a sudo service ssh restart 2.2. \u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55 \u4f7f\u7528SSH\u5bc6\u94a5\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u53ef\u4ee5\u66f4\u52a0\u5b89\u5168\uff0c\u56e0\u4e3a\u5b83\u6bd4\u5bc6\u7801\u66f4\u96be\u4ee5\u88ab\u7834\u89e3\u3002\u751f\u6210SSH\u5bc6\u94a5\u5bf9\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a ssh-keygen -t rsa -b 4096 \u6309\u7167\u63d0\u793a\u751f\u6210\u5bc6\u94a5\u5bf9\u3002\u7136\u540e\u5c06\u516c\u94a5\u6dfb\u52a0\u5230\u670d\u52a1\u5668\u4e0a\u7684~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\u3002\u5c06\u79c1\u94a5\u4fdd\u5b58\u5728\u672c\u5730\uff0c\u5e76\u786e\u4fdd\u6743\u9650\u8bbe\u7f6e\u4e3a600\u6216\u66f4\u9ad8\u3002 \u63a5\u4e0b\u6765\uff0c\u60a8\u53ef\u4ee5\u4fee\u6539\/etc\/ssh\/sshd_config\u6587\u4ef6\u6765\u5f3a\u5236\u4f7f\u7528SSH\u5bc6\u94a5\u8fdb\u884c\u767b\u5f55\uff1a PasswordAuthentication no \u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\u3002 \u9632\u706b\u5899\u8bbe\u7f6e \u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u91cd\u8981\u5de5\u5177\u3002\u4f7f\u7528iptables\u547d\u4ee4\u53ef\u4ee5\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u793a\u4f8b\uff1a 3.1. \u5c4f\u853d\u6307\u5b9aIP\u5730\u5740 \u5982\u679c\u60a8\u5e0c\u671b\u5c4f\u853d\u7279\u5b9a\u7684IP\u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a iptables -A INPUT -s 192.168.1.100 -j DROP 3.2. \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u8bbf\u95ee \u5982\u679c\u53ea\u5141\u8bb8\u7279\u5b9a\u7684\u7aef\u53e3\u8bbf\u95ee\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a iptables -A […]<\/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-51088","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51088","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=51088"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51088\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}