{"id":62488,"date":"2025-04-29T08:05:23","date_gmt":"2025-04-29T00:05:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62488\/"},"modified":"2025-04-29T08:05:23","modified_gmt":"2025-04-29T00:05:23","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%9a%e4%bf%9d%e6%8a%a4web%e6%8e%a5%e5%8f%a3%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7%e3%80%82-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62488\/","title":{"rendered":"Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u7684\u91cd\u8981\u6027\u3002"},"content":{"rendered":"

\"Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u7684\u91cd\u8981\u6027\u3002\u63d2\u56fe\"<\/p>\n

Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u7684\u91cd\u8981\u6027<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cWeb\u63a5\u53e3\u4f5c\u4e3a\u8f6f\u4ef6\u7cfb\u7edf\u7684\u91cd\u8981\u901a\u4fe1\u63a5\u53e3\uff0c\u626e\u6f14\u7740\u8d8a\u6765\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002\u7136\u800c\uff0c\u7f51\u7edc\u653b\u51fb\u65e5\u76ca\u7316\u7357\uff0c\u5404\u79cd\u5b89\u5168\u6f0f\u6d1e\u4e5f\u4e0d\u65ad\u6d8c\u73b0\uff0c\u56e0\u6b64\u4fdd\u62a4Web\u63a5\u53e3\u7684\u5b89\u5168\u6027\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u901a\u8fc7\u4ecb\u7ecdLinux\u670d\u52a1\u5668\u4e0a\u5e38\u89c1\u7684Web\u63a5\u53e3\u5b89\u5168\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4fdd\u62a4Web\u63a5\u53e3\u3002<\/p>\n

    \n
  1. \u5e38\u89c1\u7684Web\u63a5\u53e3\u5b89\u5168\u95ee\u9898<\/li>\n<\/ol>\n

    1.1 SQL\u6ce8\u5165\u653b\u51fb<\/p>\n

    SQL\u6ce8\u5165\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u5728Web\u63a5\u53e3\u7684\u8f93\u5165\u6846\u4e2d\u6ce8\u5165\u6076\u610f\u7684SQL\u8bed\u53e5\uff0c\u4ece\u800c\u7ed5\u8fc7\u5e94\u7528\u7a0b\u5e8f\u7684\u9a8c\u8bc1\u673a\u5236\uff0c\u83b7\u5f97\u5bf9\u6570\u636e\u5e93\u7684\u975e\u6388\u6743\u8bbf\u95ee\u6743\u9650\u3002\u4e3a\u4e86\u9884\u9632SQL\u6ce8\u5165\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9884\u7f16\u8bd1\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\uff0c\u786e\u4fdd\u8f93\u5165\u7684\u6570\u636e\u4e0eSQL\u8bed\u53e5\u5206\u79bb\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Java\u7f16\u5199\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    String query = \"SELECT * FROM users WHERE username = ? AND password = ?\";\nPreparedStatement statement = connection.prepareStatement(query);\nstatement.setString(1, username);\nstatement.setString(2, password);\nResultSet result = statement.executeQuery();<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    1.2 \u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09<\/p>\n
    XSS\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u5229\u7528Web\u5e94\u7528\u7a0b\u5e8f\u5bf9\u7528\u6237\u7aef\u7684\u4fe1\u4efb\uff0c\u901a\u8fc7\u5728Web\u9875\u9762\u4e0a\u6ce8\u5165\u6076\u610f\u4ee3\u7801\uff0c\u4f7f\u5f97\u7528\u6237\u5728\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u8be5\u4ee3\u7801\u3002\u4e3a\u4e86\u9884\u9632XSS\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u8fc7\u6ee4\u548c\u8f6c\u4e49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528PHP\u7f16\u5199\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
    $userInput = $_GET['name'];\n$filteredInput = htmlspecialchars($userInput, ENT_QUOTES, 'UTF-8');\necho \"Hello, \".$filteredInput;<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    1.3 \u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09<\/p>\n
    CSRF\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u4f2a\u88c5\u6210\u5408\u6cd5\u7528\u6237\u7684\u8bf7\u6c42\uff0c\u6765\u6267\u884c\u4e00\u4e9b\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\u3002\u4e3a\u4e86\u9884\u9632CSRF\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee4\u724c\uff08token\uff09\u8fdb\u884c\u9a8c\u8bc1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Python Django\u6846\u67b6\u7f16\u5199\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
    from django.middleware.csrf import get_token\n\ndef my_view(request):\n    csrf_token = get_token(request)\n    \n    # \u5728\u8868\u5355\u4e2d\u6dfb\u52a0\u4ee4\u724c\n    return render(request, 'my_template.html', {'csrf_token': csrf_token})<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. Linux\u670d\u52a1\u5668\u5b89\u5168\u8bbe\u7f6e<\/li>\n<\/ol>\n
      \u9664\u4e86\u5bf9Web\u63a5\u53e3\u8fdb\u884c\u4ee3\u7801\u7ea7\u7684\u5b89\u5168\u8bbe\u7f6e\u5916\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u6ce8\u610fLinux\u670d\u52a1\u5668\u672c\u8eab\u7684\u5b89\u5168\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5b89\u5168\u8bbe\u7f6e\u5efa\u8bae\uff1a<\/p>\n
      2.1 \u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6<\/p>\n
      \u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u901a\u8fc7\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u3001Web\u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u670d\u52a1\u5668\u7b49\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u5c3d\u91cf\u907f\u514d\u5df2\u77e5\u5b89\u5168\u6f0f\u6d1e\u7684\u5229\u7528\u3002\u5728Debian\u7cfb\u5217\u7684Linux\u53d1\u884c\u7248\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\uff1a<\/p>\n
      sudo apt update\nsudo apt upgrade<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      2.2 \u914d\u7f6e\u9632\u706b\u5899<\/p>\n
      \u914d\u7f6e\u9632\u706b\u5899\u53ef\u4ee5\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u8bbf\u95ee\uff0c\u53ea\u5141\u8bb8\u5fc5\u8981\u7684\u7aef\u53e3\u5bf9\u5916\u5f00\u653e\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n
      sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT\nsudo iptables -A INPUT -j DROP<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      2.3 \u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55<\/p>\n
      \u7981\u7528\u5bc6\u7801\u767b\u5f55\uff0c\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ssh-keygen\u547d\u4ee4\u751f\u6210\u516c\u79c1\u94a5\u5bf9\uff0c\u7136\u540e\u5c06\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\u4e0a\u7684authorized_keys\u6587\u4ef6\u4e2d\uff0c\u5b9e\u73b0\u65e0\u5bc6\u7801\u767b\u5f55\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n
      ssh-keygen -t rsa\nssh-copy-id user@server_ip<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u603b\u7ed3\uff1a<\/p>\n
      \u4fdd\u62a4Web\u63a5\u53e3\u7684\u5b89\u5168\u6027\u5bf9\u4e8e\u4f01\u4e1a\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5bf9Web\u63a5\u53e3\u7684\u4ee3\u7801\u548c\u670d\u52a1\u5668\u7684\u5b89\u5168\u914d\u7f6e\u8fdb\u884c\u7ec6\u81f4\u7684\u8bbe\u7f6e\u4e0e\u7ba1\u7406\uff0c\u53ef\u4ee5\u51cf\u5c11\u5b89\u5168\u6f0f\u6d1e\u7684\u98ce\u9669\uff0c\u4fdd\u62a4\u7528\u6237\u6570\u636e\u7684\u5b89\u5168\u3002\u56e0\u6b64\uff0c\u5728\u5f00\u53d1\u548c\u90e8\u7f72Web\u63a5\u53e3\u65f6\uff0c\u8bf7\u52a1\u5fc5\u6ce8\u91cd\u5b89\u5168\u6027\uff0c\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u5b9a\u671f\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1\u548c\u66f4\u65b0\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fLinux\u670d\u52a1\u5668\u5b89\u5168\u6027\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u7684\u91cd\u8981\u6027\u3002\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u7684\u91cd\u8981\u6027 \u968f\u7740\u4e92\u8054\u7f51\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cWeb\u63a5\u53e3\u4f5c\u4e3a\u8f6f\u4ef6\u7cfb\u7edf\u7684\u91cd\u8981\u901a\u4fe1\u63a5\u53e3\uff0c\u626e\u6f14\u7740\u8d8a\u6765\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002\u7136\u800c\uff0c\u7f51\u7edc\u653b\u51fb\u65e5\u76ca\u7316\u7357\uff0c\u5404\u79cd\u5b89\u5168\u6f0f\u6d1e\u4e5f\u4e0d\u65ad\u6d8c\u73b0\uff0c\u56e0\u6b64\u4fdd\u62a4Web\u63a5\u53e3\u7684\u5b89\u5168\u6027\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u901a\u8fc7\u4ecb\u7ecdLinux\u670d\u52a1\u5668\u4e0a\u5e38\u89c1\u7684Web\u63a5\u53e3\u5b89\u5168\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4fdd\u62a4Web\u63a5\u53e3\u3002 \u5e38\u89c1\u7684Web\u63a5\u53e3\u5b89\u5168\u95ee\u9898 1.1 SQL\u6ce8\u5165\u653b\u51fb SQL\u6ce8\u5165\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u5728Web\u63a5\u53e3\u7684\u8f93\u5165\u6846\u4e2d\u6ce8\u5165\u6076\u610f\u7684SQL\u8bed\u53e5\uff0c\u4ece\u800c\u7ed5\u8fc7\u5e94\u7528\u7a0b\u5e8f\u7684\u9a8c\u8bc1\u673a\u5236\uff0c\u83b7\u5f97\u5bf9\u6570\u636e\u5e93\u7684\u975e\u6388\u6743\u8bbf\u95ee\u6743\u9650\u3002\u4e3a\u4e86\u9884\u9632SQL\u6ce8\u5165\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9884\u7f16\u8bd1\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\uff0c\u786e\u4fdd\u8f93\u5165\u7684\u6570\u636e\u4e0eSQL\u8bed\u53e5\u5206\u79bb\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Java\u7f16\u5199\u7684\u793a\u4f8b\u4ee3\u7801\uff1a String query = “SELECT * FROM users WHERE username = ? AND password = ?”; PreparedStatement statement = connection.prepareStatement(query); statement.setString(1, username); statement.setString(2, password); ResultSet result = statement.executeQuery(); \u767b\u5f55\u540e\u590d\u5236 1.2 \u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09 XSS\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u5229\u7528Web\u5e94\u7528\u7a0b\u5e8f\u5bf9\u7528\u6237\u7aef\u7684\u4fe1\u4efb\uff0c\u901a\u8fc7\u5728Web\u9875\u9762\u4e0a\u6ce8\u5165\u6076\u610f\u4ee3\u7801\uff0c\u4f7f\u5f97\u7528\u6237\u5728\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u8be5\u4ee3\u7801\u3002\u4e3a\u4e86\u9884\u9632XSS\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u8fc7\u6ee4\u548c\u8f6c\u4e49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528PHP\u7f16\u5199\u7684\u793a\u4f8b\u4ee3\u7801\uff1a $userInput = $_GET[‘name’]; $filteredInput = htmlspecialchars($userInput, ENT_QUOTES, ‘UTF-8’); echo “Hello, “.$filteredInput; \u767b\u5f55\u540e\u590d\u5236 1.3 \u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09 CSRF\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u4f2a\u88c5\u6210\u5408\u6cd5\u7528\u6237\u7684\u8bf7\u6c42\uff0c\u6765\u6267\u884c\u4e00\u4e9b\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\u3002\u4e3a\u4e86\u9884\u9632CSRF\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee4\u724c\uff08token\uff09\u8fdb\u884c\u9a8c\u8bc1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Python Django\u6846\u67b6\u7f16\u5199\u7684\u793a\u4f8b\u4ee3\u7801\uff1a from django.middleware.csrf […]<\/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-62488","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62488","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=62488"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62488\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}