{"id":652659,"date":"2025-08-19T00:59:38","date_gmt":"2025-08-18T16:59:38","guid":{"rendered":"http:\/\/puo.cn\/?p=652659"},"modified":"2025-08-19T11:17:52","modified_gmt":"2025-08-19T03:17:52","slug":"%e6%96%b0%e6%89%8b%e6%8e%8c%e6%8f%a1%e8%bf%99%e5%87%a0%e6%8b%9b%ef%bc%8c%e8%ae%a9%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%e6%8f%90%e5%8d%87800","status":"publish","type":"post","link":"http:\/\/puo.cn\/?p=652659","title":{"rendered":"\u65b0\u624b\u638c\u63e1\u8fd9\u51e0\u62db\uff0c\u8ba9\u4e91\u670d\u52a1\u5668\u5b89\u5168\u6027\u63d0\u5347800%"},"content":{"rendered":"
\n

\u6700\u8fd1\u5f88\u591a\u670b\u53cb\u53cd\u6620\u65b0\u4e70\u7684\u670d\u52a1\u5668\u603b\u662f\u88ab\u9ed1\uff0c\u6570\u636e\u4e22\u5931\u3001\u7f51\u7ad9\u88ab\u7be1\u6539\u7b49\u95ee\u9898\u9891\u53d1\u3002\u4eca\u5929\u6211\u4eec\u5c31\u6765\u5206\u4eab\u51e0\u4e2a\u7b80\u5355\u5b9e\u7528\u7684\u5c0f\u6280\u5de7\uff0c\u5e2e\u52a9\u65b0\u624b\u5feb\u901f\u63d0\u5347\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/span><\/p>\n

1\ufe0f\u20e3 \u8bbe\u7f6e\u590d\u6742\u7684root\u5bc6\u7801<\/span><\/span><\/h2>\n

“123456”\u3001”password”\u8fd9\u4e9b\u5bc6\u7801\u7b49\u4e8e\u6ca1\u6709\u5bc6\u7801\uff01<\/span><\/strong>\uff0c\u6211\u4eec\u7684\u670d\u52a1\u5668\u4ece\u521b\u5efa\u597d\u5f00\u59cb\uff0c\u65f6\u65f6\u523b\u523b\u90fd\u5728\u88ab\u4eba\u66b4\u529b\u7834\u89e3\u670d\u52a1\u5668\u7684\u5bc6\u7801\u3002<\/span><\/p>\n

\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u670d\u52a1\u5668\uff0c\u5efa\u8bae\u53ef\u4ee5\u5165\u624b\u4e00\u53f0\uff0c\u65b0\u624b\u7528\u6237\u5efa\u8bae\u9009\u62e9<\/span>\u963f\u91cc\u4e91\/\u817e\u8baf\u4e9199\u5143<\/span>\u7684\uff0c\u6027\u4ef7\u6bd4\u5f88\u9ad8\uff0c\u4e0d\u9650\u6d41\u91cf\uff0c\u4e70\u5b8c<\/span>\u9a6c\u4e0a\u7eed\u8d39\u4e00\u6b21\uff0c\u4e5f\u662f99\u5143<\/span>\u3002<\/span><\/span><\/p>\n

    \n
  • \n
    \u4f7f\u7528\u81f3\u5c1112\u4f4d\u5b57\u7b26\u7684\u7ec4\u5408\u5bc6\u7801<\/span><\/section>\n<\/li>\n
  • \n
    \u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u7279\u6b8a\u7b26\u53f7<\/span><\/section>\n<\/li>\n
  • \n
    \u907f\u514d\u4f7f\u7528\u5b57\u5178\u8bcd\u6c47\u6216\u4e2a\u4eba\u4fe1\u606f<\/span><\/section>\n<\/li>\n
  • \n
    \u5b9a\u671f\u66f4\u6362\u5bc6\u7801\uff08\u5efa\u8bae3\u4e2a\u6708\u4e00\u6b21\uff09<\/span><\/section>\n<\/li>\n<\/ul>\n
    # \u4fee\u6539root\u5bc6\u7801\u7684\u547d\u4ee4<\/span><\/span>\r\npasswd root<\/span>\r\n<\/code><\/pre>\n
    2\ufe0f\u20e3 \u5408\u7406\u7ba1\u7406SSH\u7aef\u53e3<\/span><\/span><\/h2>\n
    22\u7aef\u53e3\u662f\u9ed1\u5ba2\u626b\u63cf\u7684\u91cd\u707e\u533a<\/span><\/strong><\/p>\n
      \n
    • \n
      \u4e0d\u5e38\u7528SSH\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u5173\u95ed\u5b89\u5168\u7ec4\u4e2d\u768422\u7aef\u53e3<\/span><\/section>\n<\/li>\n
    • \n
      \u6216\u8005\u4fee\u6539SSH\u9ed8\u8ba4\u7aef\u53e3\uff08\u5982\u6539\u4e3a2222\uff09<\/span><\/section>\n<\/li>\n
    • \n
      \u4f7f\u7528\u5bc6\u94a5\u8ba4\u8bc1\u66ff\u4ee3\u5bc6\u7801\u8ba4\u8bc1\u66f4\u5b89\u5168<\/span><\/section>\n<\/li>\n<\/ul>\n
      # \u4fee\u6539SSH\u914d\u7f6e\u6587\u4ef6<\/span><\/span>\r\nvi \/etc\/ssh\/sshd_config<\/span>\r\n# \u5c06Port 22\u6539\u4e3a\u5176\u4ed6\u7aef\u53e3<\/span><\/span>\r\nPort 2222<\/span>\r\n# \u91cd\u542fSSH\u670d\u52a1<\/span><\/span>\r\nservice sshd restart<\/span>\r\n<\/code><\/pre>\n
      3\ufe0f\u20e3 \u5b9a\u671f\u81ea\u52a8\u5907\u4efd\u6570\u636e<\/span><\/span><\/h2>\n
      \u6570\u636e\u65e0\u4ef7\uff0c\u5907\u4efd\u662f\u6700\u540e\u7684\u5b89\u5168\u9632\u7ebf<\/span><\/strong><\/p>\n
        \n
      • \n
        \u5229\u7528\u4e91\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u81ea\u52a8\u5feb\u7167\u529f\u80fd<\/span><\/section>\n<\/li>\n
      • \n
        \u8bbe\u7f6e\u6bcf\u65e5\/\u6bcf\u5468\u81ea\u52a8\u5907\u4efd\u7b56\u7565<\/span><\/section>\n<\/li>\n
      • \n
        \u91cd\u8981\u6570\u636e\u5efa\u8bae\u5f02\u5730\u5907\u4efd<\/span><\/section>\n<\/li>\n
      • \n
        \u5b9a\u671f\u6d4b\u8bd5\u5907\u4efd\u6587\u4ef6\u662f\u5426\u53ef\u6062\u590d<\/span><\/section>\n<\/li>\n
      • \n
        \u7f51\u7ad9\u6570\u636e\u5e93\u8fd9\u4e9b\u53ef\u4ee5\u5355\u72ec\u5907\u4efd\u7136\u540e\u4e0b\u8f7d\u4fdd\u5b58\u5230\u591a\u5904\u5730\u65b9<\/span><\/section>\n<\/li>\n<\/ul>\n
        4\ufe0f\u20e3 \u5b89\u88c5fail2ban\u9632\u62a4\u5de5\u5177<\/span><\/span><\/h2>\n
        \u81ea\u52a8\u5c01\u7981\u66b4\u529b\u7834\u89e3\u7684IP<\/span><\/strong><\/p>\n
        # Ubuntu\/Debian\u5b89\u88c5\u547d\u4ee4<\/span><\/span>\r\napt-get install fail2ban<\/span>\r\n\r\n# CentOS\u5b89\u88c5\u547d\u4ee4<\/span><\/span>\r\nyum install fail2ban<\/span>\r\n\r\n# \u542f\u52a8\u670d\u52a1<\/span><\/span>\r\nsystemctl start fail2ban<\/span>\r\nsystemctl\u00a0<\/span>enable<\/span><\/span>\u00a0fail2ban<\/span>\r\n<\/code><\/pre>\n
        fail2ban\u4f1a\u81ea\u52a8\u76d1\u6d4b\u767b\u5f55\u5931\u8d25\u5c1d\u8bd5\uff0c\u5f53\u540c\u4e00IP\u591a\u6b21\u5931\u8d25\u540e\u4f1a\u4e34\u65f6\u5c01\u7981\uff0c\u6709\u6548\u963b\u6b62\u66b4\u529b\u7834\u89e3\u3002<\/span><\/p>\n
        5\ufe0f\u20e3 \u5176\u4ed6\u5b89\u5168\u5c0f\u8d34\u58eb<\/span><\/span><\/h2>\n
          \n
        • \n
          \u4fdd\u6301\u7cfb\u7edf\u66f4\u65b0<\/span><\/strong>\uff1a\u5b9a\u671f<\/span>yum update<\/span><\/code>\u6216<\/span>apt-get upgrade<\/span><\/code><\/section>\n<\/li>\n
        • \n
          \u7981\u7528root\u8fdc\u7a0b\u767b\u5f55<\/span><\/strong>\uff1a\u4fee\u6539<\/span>\/etc\/ssh\/sshd_config<\/span><\/code>\u4e2d<\/span>PermitRootLogin no<\/span><\/code><\/section>\n<\/li>\n
        • \n
          \u4f7f\u7528\u9632\u706b\u5899<\/span><\/strong>\uff1a\u914d\u7f6eiptables\u6216firewalld\u9650\u5236\u4e0d\u5fc5\u8981\u7684\u7aef\u53e3<\/span><\/section>\n<\/li>\n
        • \n
          \u76d1\u63a7\u65e5\u5fd7<\/span><\/strong>\uff1a\u5b9a\u671f\u68c0\u67e5<\/span>\/var\/log\/auth.log<\/span><\/code>\u7b49\u65e5\u5fd7\u6587\u4ef6<\/span><\/section>\n<\/li>\n
        • \n
          \u6700\u5c0f\u5316\u5b89\u88c5<\/span><\/strong>\uff1a\u53ea\u5b89\u88c5\u5fc5\u8981\u7684\u670d\u52a1\uff0c\u51cf\u5c11\u653b\u51fb\u9762<\/span><\/section>\n<\/li>\n<\/ul>\n
          \u603b\u7ed3<\/span><\/span><\/h2>\n
          \u670d\u52a1\u5668\u5b89\u5168\u6ca1\u6709\u7edd\u5bf9\u7684\uff0c\u9700\u8981\u4ece<\/span>\u591a\u4e2a\u5c42\u9762\u8fdb\u884c\u9632\u62a4<\/span>\u3002\u4ee5\u4e0a\u8fd9\u4e9b\u63aa\u65bd\u867d\u7136\u7b80\u5355\u5165\u95e8\u7684\uff0c\u66f4\u9002\u5408\u521d\u7ea7\u65b0\u624b\u7528\u6237\uff0c\u4f46\u80fd\u6709\u6548\u963b\u6321\u5927\u90e8\u5206\u81ea\u52a8\u5316\u653b\u51fb\u811a\u672c\u3002<\/span><\/p>\n
          \u5bf9\u4e8e\u4e1a\u52a1\u91cd\u8981\u7684\u670d\u52a1\u5668\uff0c\u5efa\u8bae\u8fdb\u4e00\u6b65\u5b66\u4e60\u4e13\u4e1a\u7684\u5b89\u5168\u9632\u62a4\u77e5\u8bc6\u6216\u5bfb\u6c42\u4e13\u4e1a\u8fd0\u7ef4\u652f\u6301\u3002<\/span><\/p>\n
          \u5b89\u5168\u65e0\u5c0f\u4e8b\uff0c\u9632\u8303\u4e8e\u672a\u7136\uff01<\/span><\/strong><\/p>\n
          \n
          \n<\/section>\n
          \n","protected":false},"excerpt":{"rendered":"
          \u6700\u8fd1\u5f88\u591a\u670b\u53cb\u53cd\u6620\u65b0\u4e70\u7684\u670d\u52a1\u5668\u603b\u662f\u88ab\u9ed1\uff0c\u6570\u636e\u4e22\u5931\u3001\u7f51\u7ad9\u88ab\u7be1\u6539\u7b49\u95ee\u9898\u9891\u53d1\u3002\u4eca\u5929\u6211\u4eec\u5c31\u6765\u5206\u4eab\u51e0\u4e2a\u7b80\u5355\u5b9e\u7528\u7684\u5c0f\u6280\u5de7\uff0c\u5e2e\u52a9\u65b0\u624b\u5feb\u901f\u63d0\u5347\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 1\ufe0f\u20e3 \u8bbe\u7f6e\u590d\u6742\u7684root\u5bc6\u7801 “123456”\u3001”passw…<\/p>\n","protected":false},"author":1,"featured_media":652660,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127,128],"tags":[387,386,242],"topic":[],"class_list":["post-652659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-i","category-128","tag-root","tag-386","tag-242"],"_links":{"self":[{"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts\/652659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=652659"}],"version-history":[{"count":1,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts\/652659\/revisions"}],"predecessor-version":[{"id":652680,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/posts\/652659\/revisions\/652680"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=\/wp\/v2\/media\/652660"}],"wp:attachment":[{"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=652659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=652659"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=652659"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/puo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=652659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}