{"id":478472,"date":"2023-08-09T09:33:22","date_gmt":"2023-08-09T09:33:22","guid":{"rendered":""},"modified":"2023-09-05T11:16:49","modified_gmt":"2023-09-05T11:16:49","slug":"port-scanning","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/port-scanning\/","title":{"rendered":"\u7aef\u53e3\u626b\u63cf"},"content":{"rendered":"

\u7aef\u53e3\u626b\u63cf\u662f\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u7528\u4e8e\u63a2\u7d22\u548c\u63a2\u6d4b\u7f51\u7edc\u8bbe\u5907\u548c\u670d\u52a1\u7684\u53ef\u8bbf\u95ee\u6027\u7684\u57fa\u672c\u6280\u672f\u3002\u5b83\u6d89\u53ca\u7cfb\u7edf\u5730\u626b\u63cf\u76ee\u6807\u4e3b\u673a\u4e0a\u7684\u4e00\u7cfb\u5217\u7f51\u7edc\u7aef\u53e3\uff0c\u4ee5\u786e\u5b9a\u54ea\u4e9b\u7aef\u53e3\u662f\u6253\u5f00\u3001\u5173\u95ed\u6216\u8fc7\u6ee4\u7684\u3002\u6b64\u8fc7\u7a0b\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u3001\u5b89\u5168\u4e13\u5bb6\u751a\u81f3\u653b\u51fb\u8005\u8bc4\u4f30\u7f51\u7edc\u7684\u5b89\u5168\u72b6\u51b5\u5e76\u68c0\u6d4b\u6f5c\u5728\u7684\u6f0f\u6d1e\u3002<\/p>\n

\u7aef\u53e3\u626b\u63cf\u7684\u8d77\u6e90\u548c\u9996\u6b21\u63d0\u53ca\u7684\u5386\u53f2<\/h2>\n

\u7aef\u53e3\u626b\u63cf\u7684\u6982\u5ff5\u662f\u968f\u7740 20 \u4e16\u7eaa\u672b\u8ba1\u7b97\u673a\u7f51\u7edc\u7684\u53d1\u5c55\u800c\u51fa\u73b0\u7684\u3002\u7b2c\u4e00\u4e2a\u503c\u5f97\u6ce8\u610f\u7684\u7aef\u53e3\u626b\u63cf\u53ef\u5f52\u56e0\u4e8e Conner Peripherals \u7684\u521b\u59cb\u4eba Finis Conner\uff0c\u4ed6\u4e8e 1985 \u5e74\u521b\u5efa\u4e86\u201cStealth\u201d\u7a0b\u5e8f\u3002\u8fd9\u79cd\u65e9\u671f\u7684\u7aef\u53e3\u626b\u63cf\u5668\u65e8\u5728\u8bc6\u522b\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u5f00\u653e\u7aef\u53e3\u3002\u8be5\u6280\u672f\u540e\u6765\u88ab\u5b89\u5168\u7814\u7a76\u4eba\u5458\u548c\u9ed1\u5ba2\u6539\u8fdb\uff0c\u4ee5\u7814\u7a76\u7f51\u7edc\u7cfb\u7edf\u5e76\u5f00\u53d1\u590d\u6742\u7684\u5165\u4fb5\u548c\u5b89\u5168\u5206\u6790\u65b9\u6cd5\u3002<\/p>\n

\u6709\u5173\u7aef\u53e3\u626b\u63cf\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u6269\u5c55\u4e3b\u9898\u7aef\u53e3\u626b\u63cf<\/h2>\n

\u7aef\u53e3\u626b\u63cf\u7684\u64cd\u4f5c\u65b9\u5f0f\u662f\u5411\u76ee\u6807\u7cfb\u7edf\u4e0a\u7684\u7279\u5b9a\u7aef\u53e3\u53d1\u9001\u7f51\u7edc\u6570\u636e\u5305\uff0c\u7136\u540e\u5206\u6790\u6536\u5230\u7684\u54cd\u5e94\u3002\u4e3a\u6b64\u76ee\u7684\u6700\u5e38\u7528\u7684\u534f\u8bae\u662f\u4f20\u8f93\u63a7\u5236\u534f\u8bae (TCP)\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u53ef\u9760\u7684\u901a\u4fe1\u548c\u9519\u8bef\u68c0\u67e5\u529f\u80fd\u3002\u4f46\u662f\uff0c\u67d0\u4e9b\u7aef\u53e3\u626b\u63cf\u5668\u8fd8\u5229\u7528\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae (UDP) \u8fdb\u884c\u7279\u5b9a\u626b\u63cf\u7c7b\u578b\u3002<\/p>\n

\u7aef\u53e3\u626b\u63cf\u7684\u4e3b\u8981\u76ee\u6807\u662f\u6620\u5c04\u76ee\u6807\u7cfb\u7edf\u4e0a\u53ef\u7528\u7684\u7aef\u53e3\u548c\u670d\u52a1\u3002\u7aef\u53e3\u53ef\u4ee5\u5206\u4e3a\u4e09\u79cd\u72b6\u6001\uff1a<\/p>\n

    \n
  1. \n

    \u5f00\u653e\u7aef\u53e3\uff1a\u8fd9\u4e9b\u7aef\u53e3\u54cd\u5e94\u4f20\u5165\u6570\u636e\u5305\uff0c\u8868\u660e\u670d\u52a1\u6216\u5e94\u7528\u7a0b\u5e8f\u6b63\u5728\u8be5\u7aef\u53e3\u4e0a\u4e3b\u52a8\u8fd0\u884c\u548c\u4fa6\u542c\u3002\u653b\u51fb\u8005\u7ecf\u5e38\u4ee5\u5f00\u653e\u7aef\u53e3\u4e3a\u76ee\u6807\u6765\u5229\u7528\u6f5c\u5728\u7684\u6f0f\u6d1e\u3002<\/p>\n<\/li>\n

  2. \n

    \u5173\u95ed\u7aef\u53e3\uff1a\u5f53\u5173\u95ed\u7aef\u53e3\u6536\u5230\u6570\u636e\u5305\u65f6\uff0c\u5b83\u4f1a\u8fd4\u56de\u4e00\u6761\u9519\u8bef\u6d88\u606f\uff0c\u8868\u660e\u8be5\u7aef\u53e3\u4e0a\u6ca1\u6709\u4efb\u4f55\u670d\u52a1\u6b63\u5728\u8fd0\u884c\u3002\u5173\u95ed\u7684\u7aef\u53e3\u4e0d\u4f1a\u9020\u6210\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<\/li>\n

  3. \n

    \u8fc7\u6ee4\u7aef\u53e3\uff1a\u8fc7\u6ee4\u7aef\u53e3\u4e0d\u54cd\u5e94\u6570\u636e\u5305\uff0c\u901a\u5e38\u662f\u7531\u4e8e\u9632\u706b\u5899\u6216\u5176\u4ed6\u8fc7\u6ee4\u673a\u5236\u9020\u6210\u7684\u3002\u786e\u5b9a\u7aef\u53e3\u662f\u5426\u88ab\u8fc7\u6ee4\u6709\u52a9\u4e8e\u4e86\u89e3\u7f51\u7edc\u7684\u5b89\u5168\u9632\u5fa1\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u7aef\u53e3\u626b\u63cf\u7684\u5185\u90e8\u7ed3\u6784\u3002\u7aef\u53e3\u626b\u63cf\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

    \u7aef\u53e3\u626b\u63cf\u5de5\u5177\u7684\u529f\u80fd\u57fa\u4e8e\u4e0d\u540c\u7684\u626b\u63cf\u6280\u672f\uff0c\u6bcf\u79cd\u6280\u672f\u90fd\u6709\u5176\u4f18\u70b9\u548c\u5c40\u9650\u6027\u3002\u4e00\u4e9b\u5e38\u89c1\u7684\u7aef\u53e3\u626b\u63cf\u6280\u672f\u662f\uff1a<\/p>\n

      \n
    1. \n

      TCP\u8fde\u63a5\u626b\u63cf<\/strong>\uff1a\u8be5\u65b9\u6cd5\u4e0e\u76ee\u6807\u7aef\u53e3\u5efa\u7acb\u5b8c\u6574\u7684TCP\u8fde\u63a5\u3002\u5982\u679c\u8fde\u63a5\u6210\u529f\uff0c\u5219\u8ba4\u4e3a\u7aef\u53e3\u5f00\u653e\uff1b\u5426\u5219\uff0c\u5b83\u88ab\u6807\u8bb0\u4e3a\u5173\u95ed\u3002<\/p>\n<\/li>\n

    2. \n

      SYN\/\u9690\u5f62\u626b\u63cf<\/strong>\uff1a\u4e5f\u79f0\u4e3a\u534a\u5f00\u626b\u63cf\uff0c\u8be5\u6280\u672f\u5411\u76ee\u6807\u7aef\u53e3\u53d1\u9001 SYN \u6570\u636e\u5305\u3002\u5982\u679c\u6536\u5230 SYN\/ACK\uff08\u540c\u6b65\u786e\u8ba4\uff09\u54cd\u5e94\uff0c\u5219\u7aef\u53e3\u6253\u5f00\uff0c\u4f46\u8fde\u63a5\u5c1a\u672a\u5b8c\u6210\uff0c\u4ece\u800c\u51cf\u5c11\u626b\u63cf\u7684\u5360\u7528\u7a7a\u95f4\u3002<\/p>\n<\/li>\n

    3. \n

      UDP\u626b\u63cf<\/strong>\uff1a\u4e0e TCP \u4e0d\u540c\uff0cUDP \u662f\u65e0\u8fde\u63a5\u7684\uff0c\u5e76\u4e14\u4e0d\u63d0\u4f9b\u663e\u5f0f\u7aef\u53e3\u72b6\u6001\u3002 UDP \u626b\u63cf\u53d1\u9001 UDP \u6570\u636e\u5305\u5e76\u5206\u6790\u54cd\u5e94\u4ee5\u786e\u5b9a\u7aef\u53e3\u7684\u72b6\u6001\u3002<\/p>\n<\/li>\n

    4. \n

      \u786e\u8ba4\u626b\u63cf<\/strong>\uff1a\u5728\u6b64\u65b9\u6cd5\u4e2d\uff0c\u626b\u63cf\u4eea\u5411\u7279\u5b9a\u7aef\u53e3\u53d1\u9001 ACK\uff08\u786e\u8ba4\uff09\u6570\u636e\u5305\u3002\u5982\u679c\u7aef\u53e3\u54cd\u5e94 RST\uff08\u91cd\u7f6e\uff09\u6570\u636e\u5305\uff0c\u5219\u5c06\u5176\u5f52\u7c7b\u4e3a\u672a\u8fc7\u6ee4\u3002<\/p>\n<\/li>\n

    5. \n

      \u7a97\u53e3\u626b\u63cf<\/strong>\uff1a\u7a97\u53e3\u626b\u63cf\u68c0\u67e5 TCP \u7a97\u53e3\u5b57\u6bb5\u4ee5\u63a8\u65ad\u7aef\u53e3\u662f\u6253\u5f00\u8fd8\u662f\u5173\u95ed\u3002<\/p>\n<\/li>\n<\/ol>\n

      \u6bcf\u79cd\u626b\u63cf\u6280\u672f\u90fd\u6709\u5176\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u626b\u63cf\u65b9\u6cd5\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u626b\u63cf\u76ee\u6807\u548c\u7f51\u7edc\u7279\u6027\u3002<\/p>\n

      \u7aef\u53e3\u626b\u63cf\u7684\u5173\u952e\u7279\u5f81\u5206\u6790<\/h2>\n

      \u7aef\u53e3\u626b\u63cf\u63d0\u4f9b\u4e86\u51e0\u4e2a\u5173\u952e\u529f\u80fd\uff0c\u4f7f\u5176\u6210\u4e3a\u7f51\u7edc\u7ba1\u7406\u548c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\uff1a<\/p>\n

        \n
      1. \n

        \u7f51\u7edc\u53ef\u89c6\u6027<\/strong>\uff1a\u7aef\u53e3\u626b\u63cf\u4f7f\u7ba1\u7406\u5458\u80fd\u591f\u6df1\u5165\u4e86\u89e3\u5176\u7f51\u7edc\u67b6\u6784\uff0c\u8bc6\u522b\u6d3b\u52a8\u4e3b\u673a\u548c\u53ef\u7528\u670d\u52a1\u3002<\/p>\n<\/li>\n

      2. \n

        \u6f0f\u6d1e\u8bc4\u4f30<\/strong>\uff1a\u901a\u8fc7\u8bc6\u522b\u5f00\u653e\u7aef\u53e3\u548c\u66b4\u9732\u7684\u670d\u52a1\uff0c\u7aef\u53e3\u626b\u63cf\u6709\u52a9\u4e8e\u53d1\u73b0\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u7684\u6f5c\u5728\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n<\/li>\n

      3. \n

        \u5165\u4fb5\u68c0\u6d4b<\/strong>\uff1a\u5b9a\u671f\u7aef\u53e3\u626b\u63cf\u6709\u52a9\u4e8e\u68c0\u6d4b\u672a\u7ecf\u6388\u6743\u7684\u66f4\u6539\u6216\u53ef\u80fd\u5df2\u5f15\u5165\u7f51\u7edc\u7684\u65b0\u670d\u52a1\u3002<\/p>\n<\/li>\n

      4. \n

        \u9632\u706b\u5899\u6d4b\u8bd5<\/strong>\uff1a\u626b\u63cf\u53ef\u4ee5\u6d4b\u8bd5\u9632\u706b\u5899\u914d\u7f6e\u548c\u8bbf\u95ee\u63a7\u5236\u7b56\u7565\u7684\u6709\u6548\u6027\u3002<\/p>\n<\/li>\n

      5. \n

        \u8f6c\u53d1\u7aef\u53e3<\/strong>\uff1a\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u7aef\u53e3\u626b\u63cf\u6765\u9a8c\u8bc1\u8def\u7531\u5668\u6216\u7f51\u5173\u4e0a\u7684\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u662f\u5426\u6b63\u786e\u8bbe\u7f6e\u3002<\/p>\n<\/li>\n

      6. \n

        \u7f51\u7edc\u6620\u5c04<\/strong>\uff1a\u7aef\u53e3\u626b\u63cf\u6709\u52a9\u4e8e\u521b\u5efa\u7f51\u7edc\u56fe\uff0c\u8fd9\u5bf9\u4e8e\u7f51\u7edc\u6587\u6863\u548c\u6545\u969c\u6392\u9664\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/li>\n

      7. \n

        \u6e17\u900f\u6d4b\u8bd5<\/strong>\uff1a\u9053\u5fb7\u9ed1\u5ba2\u548c\u6e17\u900f\u6d4b\u8bd5\u4eba\u5458\u5229\u7528\u7aef\u53e3\u626b\u63cf\u6765\u8bc4\u4f30\u7f51\u7edc\u5b89\u5168\u5e76\u9a8c\u8bc1\u5b89\u5168\u63aa\u65bd\u7684\u6709\u6548\u6027\u3002<\/p>\n<\/li>\n<\/ol>\n

        \u7aef\u53e3\u626b\u63cf\u7684\u7c7b\u578b<\/h2>\n

        \u7aef\u53e3\u626b\u63cf\u6280\u672f\u6839\u636e\u5176\u7279\u70b9\u548c\u76ee\u7684\u53ef\u4ee5\u5206\u4e3a\u51e0\u79cd\u7c7b\u578b\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7aef\u53e3\u626b\u63cf\u7c7b\u578b\u7684\u5217\u8868\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
        \u7aef\u53e3\u626b\u63cf\u7c7b\u578b<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n
        TCP\u8fde\u63a5\u626b\u63cf<\/td>\n\u5efa\u7acb\u5b8c\u6574\u7684 TCP \u8fde\u63a5\u4ee5\u68c0\u67e5\u7aef\u53e3\u662f\u5426\u6253\u5f00\u3002<\/td>\n<\/tr>\n
        SYN\/\u9690\u5f62\u626b\u63cf<\/td>\n\u53d1\u8d77 SYN \u6570\u636e\u5305\u5e76\u5206\u6790\u54cd\u5e94\uff0c\u4f46\u4e0d\u5b8c\u6210\u5b8c\u6574\u8fde\u63a5\u3002<\/td>\n<\/tr>\n
        UDP\u626b\u63cf<\/td>\n\u53d1\u9001UDP\u6570\u636e\u5305\u4ee5\u786e\u5b9aUDP\u7aef\u53e3\u7684\u72b6\u6001\u3002<\/td>\n<\/tr>\n
        \u786e\u8ba4\u626b\u63cf<\/td>\n\u53d1\u9001ACK\u6570\u636e\u5305\u6765\u63a8\u65ad\u7aef\u53e3\u662f\u5426\u88ab\u8fc7\u6ee4\u3002<\/td>\n<\/tr>\n
        \u7a97\u53e3\u626b\u63cf<\/td>\n\u5206\u6790 TCP \u7a97\u53e3\u5b57\u6bb5\u4ee5\u786e\u5b9a\u7aef\u53e3\u72b6\u6001\u3002<\/td>\n<\/tr>\n
        \u7a7a\u626b\u63cf<\/td>\n\u53d1\u9001\u672a\u8bbe\u7f6e\u6807\u5fd7\u6765\u8bc6\u522b\u5f00\u653e\u7aef\u53e3\u7684\u6570\u636e\u5305\u3002<\/td>\n<\/tr>\n
        FIN \u626b\u63cf<\/td>\n\u5229\u7528\u5e26\u6709 FIN\uff08\u5b8c\u6210\uff09\u6807\u5fd7\u7684\u6570\u636e\u5305\u6765\u8bc6\u522b\u5f00\u653e\u7aef\u53e3\u3002<\/td>\n<\/tr>\n
        \u5723\u8bde\u626b\u63cf<\/td>\n\u53d1\u9001\u5e26\u6709 FIN\u3001PSH\uff08\u63a8\u9001\uff09\u548c URG\uff08\u7d27\u6025\uff09\u6807\u5fd7\u7684\u6570\u636e\u5305\u4ee5\u67e5\u627e\u5f00\u653e\u7aef\u53e3\u3002<\/td>\n<\/tr>\n
        \u7a7a\u95f2\u626b\u63cf<\/td>\n\u4f7f\u7528\u50f5\u5c38\u4e3b\u673a\u626b\u63cf\u76ee\u6807\uff0c\u540c\u65f6\u4fdd\u6301\u9690\u79d8\u3002<\/td>\n<\/tr>\n
        FTP \u9000\u56de\u626b\u63cf<\/td>\n\u5229\u7528\u914d\u7f6e\u9519\u8bef\u7684 FTP \u670d\u52a1\u5668\u95f4\u63a5\u626b\u63cf\u5176\u4ed6\u4e3b\u673a\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u7aef\u53e3\u626b\u63cf\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n

        \u7aef\u53e3\u626b\u63cf\u6709\u591a\u79cd\u5408\u6cd5\u76ee\u7684\uff0c\u4f8b\u5982\uff1a<\/p>\n

          \n
        1. \n

          \u5b89\u5168\u8bc4\u4f30<\/strong>\uff1a\u7ec4\u7ec7\u4f7f\u7528\u7aef\u53e3\u626b\u63cf\u6765\u8bc4\u4f30\u5176\u7f51\u7edc\u7684\u5b89\u5168\u6027\u5e76\u8bc6\u522b\u6f5c\u5728\u7684\u6f0f\u6d1e\uff0c\u4ece\u800c\u4f7f\u4ed6\u4eec\u80fd\u591f\u4e3b\u52a8\u63d0\u9ad8\u9632\u5fa1\u80fd\u529b\u3002<\/p>\n<\/li>\n

        2. \n

          \u7f51\u7edc\u6545\u969c\u6392\u9664<\/strong>\uff1a\u7cfb\u7edf\u7ba1\u7406\u5458\u4f7f\u7528\u7aef\u53e3\u626b\u63cf\u6765\u8bca\u65ad\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\u5e76\u8bc6\u522b\u914d\u7f6e\u9519\u8bef\u7684\u670d\u52a1\u3002<\/p>\n<\/li>\n

        3. \n

          \u5165\u4fb5\u68c0\u6d4b<\/strong>\uff1a\u7f51\u7edc\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf (NIDS) \u53ef\u80fd\u4f1a\u4f7f\u7528\u7aef\u53e3\u626b\u63cf\u68c0\u6d4b\u6280\u672f\u6765\u8bc6\u522b\u6f5c\u5728\u653b\u51fb\u8005\u7684\u626b\u63cf\u6d3b\u52a8\u3002<\/p>\n<\/li>\n

        4. \n

          \u6e17\u900f\u6d4b\u8bd5<\/strong>\uff1a\u9053\u5fb7\u9ed1\u5ba2\u548c\u5b89\u5168\u4e13\u5bb6\u5728\u6e17\u900f\u6d4b\u8bd5\u671f\u95f4\u5229\u7528\u7aef\u53e3\u626b\u63cf\u6765\u6a21\u62df\u771f\u5b9e\u7684\u653b\u51fb\u573a\u666f\u3002<\/p>\n<\/li>\n<\/ol>\n

          \u7136\u800c\uff0c\u5c3d\u7ba1\u6709\u8fd9\u4e9b\u5408\u6cd5\u7528\u9014\uff0c\u7aef\u53e3\u626b\u63cf\u4e5f\u53ef\u80fd\u88ab\u6ee5\u7528\u4e8e\u6076\u610f\u76ee\u7684\uff0c\u4f8b\u5982\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u5c1d\u8bd5\u3001DDoS \u653b\u51fb\u6216\u6f5c\u5728\u76ee\u6807\u4fa6\u5bdf\u3002\u4e0e\u7aef\u53e3\u626b\u63cf\u76f8\u5173\u7684\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u5305\u62ec\uff1a<\/p>\n

            \n
          1. \n

            \u7f51\u7edc\u5f00\u9500<\/strong>\uff1a\u6fc0\u8fdb\u6216\u914d\u7f6e\u4e0d\u5f53\u7684\u7aef\u53e3\u626b\u63cf\u53ef\u80fd\u4f1a\u4ea7\u751f\u5927\u91cf\u7f51\u7edc\u6d41\u91cf\uff0c\u4ece\u800c\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<\/li>\n

          2. \n

            \u9632\u706b\u5899\u548c IDS \u89c4\u907f<\/strong>\uff1a\u9ad8\u7ea7\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u91c7\u7528\u89c4\u907f\u6280\u672f\u6765\u7ed5\u8fc7\u9632\u706b\u5899\u548c\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\u3002<\/p>\n<\/li>\n

          3. \n

            \u8bef\u62a5<\/strong>\uff1a\u4e0d\u51c6\u786e\u7684\u626b\u63cf\u7ed3\u679c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bef\u62a5\uff0c\u7ed9\u7f51\u7edc\u7ba1\u7406\u5458\u5e26\u6765\u4e0d\u5fc5\u8981\u7684\u8b66\u62a5\u548c\u6df7\u4e71\u3002<\/p>\n<\/li>\n<\/ol>\n

            \u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0c\u7f51\u7edc\u7ba1\u7406\u5458\u5e94\u8be5\uff1a<\/p>\n

              \n
            1. \n

              \u5b89\u6392\u626b\u63cf<\/strong>\uff1a\u8ba1\u5212\u5e76\u5b89\u6392\u975e\u9ad8\u5cf0\u65f6\u6bb5\u7684\u5b9a\u671f\u626b\u63cf\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u7f51\u7edc\u5f71\u54cd\u3002<\/p>\n<\/li>\n

            2. \n

              \u5b9e\u65bd\u901f\u7387\u9650\u5236<\/strong>\uff1a\u91c7\u7528\u901f\u7387\u9650\u5236\u673a\u5236\u6765\u63a7\u5236\u6765\u81ea\u5355\u4e00\u6765\u6e90\u7684\u626b\u63cf\u8bf7\u6c42\u7684\u9891\u7387\u3002<\/p>\n<\/li>\n

            3. \n

              \u4f7f\u7528\u5f02\u5e38\u68c0\u6d4b<\/strong>\uff1a\u90e8\u7f72\u5f02\u5e38\u68c0\u6d4b\u7cfb\u7edf\u6765\u8bc6\u522b\u548c\u6807\u8bb0\u5f02\u5e38\u626b\u63cf\u6a21\u5f0f\u3002<\/p>\n<\/li>\n

            4. \n

              \u4fdd\u6301\u66f4\u65b0<\/strong>\uff1a\u4fdd\u6301\u5b89\u5168\u63aa\u65bd\u6700\u65b0\uff0c\u5305\u62ec\u9632\u706b\u5899\u89c4\u5219\u548c\u5165\u4fb5\u68c0\u6d4b\u7b7e\u540d\u3002<\/p>\n<\/li>\n<\/ol>\n

              \u4e3b\u8981\u7279\u5f81\u4ee5\u53ca\u4e0e\u7c7b\u4f3c\u672f\u8bed\u7684\u5176\u4ed6\u6bd4\u8f83\u4ee5\u8868\u683c\u548c\u5217\u8868\u7684\u5f62\u5f0f<\/h2>\n

              |\u7aef\u53e3\u626b\u63cf\u4e0e\u6f0f\u6d1e\u626b\u63cf|
              \n|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014- | \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014|
              \n| \u7aef\u53e3\u626b\u63cf<\/strong> | \u6f0f\u6d1e\u626b\u63cf<\/strong> |
              \n|\u8bc6\u522b\u6253\u5f00\u3001\u5173\u95ed\u3001\u8fc7\u6ee4\u7684\u7aef\u53e3|\u8bc6\u522b\u8f6f\u4ef6\u548c\u7cfb\u7edf\u4e2d\u7684\u5b89\u5168\u6f0f\u6d1e |
              \n|\u8bc4\u4f30\u7f51\u7edc\u53ef\u8bbf\u95ee\u6027 |\u8bc4\u4f30\u5b89\u5168\u5f31\u70b9|
              \n|\u786e\u5b9a\u670d\u52a1\u72b6\u6001 |\u4f18\u5148\u8003\u8651\u5e76\u5efa\u8bae\u5b89\u5168\u8865\u4e01 |
              \n|\u5bf9\u4e8e\u7f51\u7edc\u6620\u5c04\u5f88\u6709\u7528 |\u4e13\u6ce8\u4e8e\u8f6f\u4ef6\u548c\u7cfb\u7edf\u7ea7\u95ee\u9898|
              \n|\u6ca1\u6709\u53d1\u73b0\u5177\u4f53\u7684\u5f31\u70b9|\u63d0\u4f9b\u8be6\u7ec6\u7684\u6f0f\u6d1e\u62a5\u544a|<\/p>\n\n\n\n\n\n\n\n\n\n
              \u7aef\u53e3\u626b\u63cf\u5de5\u5177<\/th>\n\u6f0f\u6d1e\u626b\u63cf\u5de5\u5177<\/th>\n<\/tr>\n<\/thead>\n
              \u5730\u56fe<\/td>\n\u5185\u745f\u65af<\/td>\n<\/tr>\n
              \u9a6c\u65af\u574e<\/td>\n\u5f00\u653e\u589e\u503c\u670d\u52a1<\/td>\n<\/tr>\n
              Zenmap\uff08Nmap\u7684\u56fe\u5f62\u754c\u9762\uff09<\/td>\n\u5938\u5229\u65af<\/td>\n<\/tr>\n
              \u6124\u6012\u7684IP\u626b\u63cf\u5668<\/td>\n\u5185\u514b\u65af\u666e\u65af<\/td>\n<\/tr>\n
              \u8d85\u7ea7\u626b\u63cf<\/td>\n\u963f\u5e93\u5185\u8482\u514b\u65af<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u4e0e\u7aef\u53e3\u626b\u63cf\u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n

              \u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u7aef\u53e3\u626b\u63cf\u9886\u57df\u53ef\u80fd\u4f1a\u89c1\u8bc1\u5404\u79cd\u8fdb\u6b65\u548c\u8d8b\u52bf\uff1a<\/p>\n

                \n
              1. \n

                IPv6\u9002\u914d<\/strong>\uff1a\u968f\u7740\u9010\u6b65\u8f6c\u5411 IPv6\uff0c\u7aef\u53e3\u626b\u63cf\u5de5\u5177\u5c06\u9700\u8981\u9002\u5e94\u65b0\u7684\u5bfb\u5740\u65b9\u6848\u624d\u80fd\u4fdd\u6301\u6709\u6548\u3002<\/p>\n<\/li>\n

              2. \n

                \u673a\u5668\u5b66\u4e60\u96c6\u6210<\/strong>\uff1a\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u53ef\u4ee5\u589e\u5f3a\u7aef\u53e3\u626b\u63cf\u6280\u672f\uff0c\u4ece\u800c\u66f4\u51c6\u786e\u5730\u8bc6\u522b\u670d\u52a1\u548c\u6f0f\u6d1e\u3002<\/p>\n<\/li>\n

              3. \n

                \u7269\u8054\u7f51\u5b89\u5168\u626b\u63cf<\/strong>\uff1a\u968f\u7740\u7269\u8054\u7f51 (IoT) \u7684\u4e0d\u65ad\u6269\u5c55\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e13\u95e8\u7684\u626b\u63cf\u5de5\u5177\u6765\u8bc4\u4f30\u7269\u8054\u7f51\u8bbe\u5907\u548c\u7f51\u7edc\u7684\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n

              4. \n

                \u57fa\u4e8e\u4e91\u7684\u626b\u63cf\u670d\u52a1<\/strong>\uff1a\u57fa\u4e8e\u4e91\u7684\u7aef\u53e3\u626b\u63cf\u670d\u52a1\u53ef\u80fd\u4f1a\u6d41\u884c\uff0c\u5141\u8bb8\u7528\u6237\u65e0\u9700\u4e13\u7528\u786c\u4ef6\u6216\u8f6f\u4ef6\u5373\u53ef\u6267\u884c\u626b\u63cf\u3002<\/p>\n<\/li>\n<\/ol>\n

                \u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e\u7aef\u53e3\u626b\u63cf\u5173\u8054<\/h2>\n

                \u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u7aef\u53e3\u626b\u63cf\u6d3b\u52a8\u4e2d\u53d1\u6325\u4f5c\u7528\uff0c\u65e0\u8bba\u662f\u51fa\u4e8e\u5408\u6cd5\u8fd8\u662f\u6076\u610f\u76ee\u7684\uff1a<\/p>\n

                  \n
                1. \n

                  \u533f\u540d<\/strong>\uff1a\u653b\u51fb\u8005\u5728\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\u65f6\u53ef\u80fd\u4f1a\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u9690\u85cf\u5176\u771f\u5b9e\u8eab\u4efd\uff0c\u4ece\u800c\u96be\u4ee5\u8ffd\u8e2a\u626b\u63cf\u7684\u6765\u6e90\u3002<\/p>\n<\/li>\n

                2. \n

                  \u6d41\u91cf\u5206\u5e03<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u4f1a\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u8de8\u591a\u4e2a IP \u5730\u5740\u5206\u53d1\u626b\u63cf\u8bf7\u6c42\uff0c\u4ece\u800c\u51cf\u5c11\u68c0\u6d4b\u548c\u963b\u6b62\u7684\u673a\u4f1a\u3002<\/p>\n<\/li>\n

                3. \n

                  \u8bbf\u95ee\u63a7\u5236<\/strong>\uff1a\u7ec4\u7ec7\u53ef\u4ee5\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6765\u63a7\u5236\u548c\u76d1\u89c6\u4f20\u51fa\u7aef\u53e3\u626b\u63cf\u5c1d\u8bd5\uff0c\u5e2e\u52a9\u8bc6\u522b\u5176\u7f51\u7edc\u4e2d\u7684\u53ef\u7591\u6d3b\u52a8\u3002<\/p>\n<\/li>\n

                4. \n

                  \u8fdc\u7a0b\u626b\u63cf<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528\u6237\u5728\u8fdc\u7a0b\u7f51\u7edc\u4e0a\u6267\u884c\u7aef\u53e3\u626b\u63cf\uff0c\u800c\u65e0\u9700\u900f\u9732\u5176\u5b9e\u9645\u4f4d\u7f6e\u3002<\/p>\n<\/li>\n<\/ol>\n

                  \u76f8\u5173\u94fe\u63a5<\/h2>\n

                  \u6709\u5173\u7aef\u53e3\u626b\u63cf\u548c\u7f51\u7edc\u5b89\u5168\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u6d4f\u89c8\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n

                    \n
                  1. Nmap\u5b98\u65b9\u7f51\u7ad9<\/a><\/li>\n
                  2. OpenVAS\u5b98\u65b9\u7f51\u7ad9<\/a><\/li>\n
                  3. Nessus \u5b98\u65b9\u7f51\u7ad9<\/a><\/li>\n
                  4. \u7aef\u53e3\u626b\u63cf\u6280\u672f\u548c\u9632\u5fa1\u673a\u5236<\/a> \u7531 SANS \u7814\u7a76\u6240<\/li>\n<\/ol>\n

                    \u7aef\u53e3\u626b\u63cf\u4ecd\u7136\u662f\u7f51\u7edc\u5b89\u5168\u548c\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u5de5\u5177\u3002\u4e86\u89e3\u5176\u590d\u6742\u6027\u548c\u6f5c\u5728\u5e94\u7528\u53ef\u4ee5\u5e2e\u52a9\u7ec4\u7ec7\u4fdd\u62a4\u5176\u7f51\u7edc\u548c\u8d44\u4ea7\u514d\u53d7\u6076\u610f\u5a01\u80c1\uff0c\u540c\u65f6\u786e\u4fdd\u5f3a\u5927\u7684\u7f51\u7edc\u529f\u80fd\u3002<\/p>","protected":false},"featured_media":478473,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478472","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Port Scanning: Unraveling the Network's Doors<\/mark>","faq_items":[{"question":"What is port scanning, and why is it essential for network security?","answer":"

                    Port scanning is a technique used to probe networked devices and services by systematically scanning a range of network ports. It helps identify which ports are open, closed, or filtered, allowing network administrators and security experts to assess the network's security posture and detect potential vulnerabilities. Understanding port scanning is crucial for safeguarding networks from potential threats and ensuring robust network functionality.<\/p>"},{"question":"How did port scanning originate, and who pioneered it?","answer":"

                    The concept of port scanning emerged with the growth of computer networking in the late 20th century. Finis Conner, the founder of Conner Peripherals, is credited with pioneering port scanning by creating the \"Stealth\" program in 1985. This early port scanner aimed to identify open ports on remote hosts, and from there, the technique evolved, leading to its widespread usage in security research and network administration.<\/p>"},{"question":"How does port scanning work, and what are the common scanning techniques?","answer":"

                    Port scanning involves sending network packets to specific ports on a target system and analyzing the responses received. The most common protocol used for this purpose is TCP (Transmission Control Protocol), with various scanning techniques, such as TCP Connect Scanning, SYN\/Stealth Scanning, UDP Scanning, and more. Each technique has its strengths and weaknesses, making the choice of scan method dependent on the specific objectives and network characteristics.<\/p>"},{"question":"What are the main features of port scanning, and how is it different from vulnerability scanning?","answer":"

                    Port scanning offers features like network visibility, vulnerability assessment, intrusion detection, firewall testing, network mapping, and penetration testing. It helps in identifying open, closed, and filtered ports. In contrast, vulnerability scanning focuses on assessing security weaknesses in software and systems, prioritizing and suggesting security patches. While port scanning evaluates network accessibility, vulnerability scanning delves into specific software and system-level issues.<\/p>"},{"question":"What types of port scanning exist, and how do they differ from each other?","answer":"

                    Port scanning techniques can be categorized into various types, such as TCP Connect Scan, SYN\/Stealth Scan, UDP Scan, ACK Scan, Window Scan, Null Scan, and more. Each scanning type operates differently and provides unique insights into the state of ports and services on a target system. Depending on the use case and desired level of stealth, administrators may choose the most suitable scanning method.<\/p>"},{"question":"How is port scanning used, and what are the potential challenges related to its use?","answer":"

                    Port scanning finds applications in security assessment, network troubleshooting, intrusion detection, penetration testing, and more. However, its misuse can lead to problems such as network overhead, firewall and intrusion detection system evasion, and false positives. To address these challenges, scheduling scans during off-peak hours, rate-limiting scan requests, using anomaly detection, and staying updated with security measures are essential.<\/p>"},{"question":"What can we expect in the future of port scanning?","answer":"

                    As technology evolves, the future of port scanning may involve adaptation to IPv6, integration of machine learning algorithms for improved accuracy, specialized IoT security scanning, and the emergence of cloud-based scanning services. These advancements will enhance the effectiveness and scope of port scanning in network security and administration.<\/p>"},{"question":"How are proxy servers associated with port scanning?","answer":"

                    Proxy servers can be both used and associated with port scanning. Attackers may use proxy servers to hide their identities during scans, making it harder to trace the origin of the scan. Proxy servers can also be used to distribute scan requests across multiple IP addresses, reducing detection chances. On the other hand, organizations use proxy servers for access control and monitoring, helping identify suspicious activities within their networks.<\/p>"},{"question":"Where can I find additional resources and information about port scanning?","answer":"

                    For more information about port scanning and network security, you can explore resources such as the official websites of Nmap, OpenVAS, and Nessus. Additionally, the SANS Institute provides in-depth whitepapers on port scanning techniques and defense mechanisms, offering valuable insights into the topic.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478472\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/478473"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=478472"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}