DNS中继服务器的实现(java版)

上传者: zhaolvju6017 | 上传时间: 2019-12-21 22:19:43 | 文件大小: 12KB | 文件类型: zip
设计一个DNS服务器程序,读入“域名-IP地址”对照表,当客户端查询域名对应的IP地址时,用域名检索该对照表,三种检索结果: 检索结果为ip地址0.0.0.0,则向客户端返回“域名不存在”的报错消息(不良网站拦截功能) 检索结果为普通IP地址,则向客户返回这个地址(服务器功能) 表中未检到该域名,则向因特网DNS服务器发出查询,并将结果返给客户端(中继功能) 考虑多个计算机上的客户端会同时查询,需要进行消息ID的转换

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评论信息

  • xiaolizong :
    用作参考不错
    2018-07-19
  • weixin_41843115 :
    有参考价值
    2018-07-10

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