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szopen

青云似乎会拦截主机的域名解析

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  •   szopen Jan 1, 2018 3571 views
    This topic created in 3041 days ago, the information mentioned may be changed or developed.
    最近在青云的广东区建了一个主机,用 dig 命令连接国外的一些公共 DNS 查询 google 等的域名。

    从命令返回的结果来看,查询结果被拦截了。
    拦截行为和移动宽带的 DNS 拦截一样:走 TCP 会被重置,走 UDP 返回的记录是固定的几个

    当使用非标准端口并且走 TCP 查询时,返回记录正常

    不知青云为什么要怎么干?还是说墙本身就会拦截?
    5 replies    2018-01-02 16:00:07 +08:00
    yexiaoxing
        1
    yexiaoxing  
       Jan 1, 2018 via iPhone
    我记得墙本身就会污染 DNS 请求
    cwek
        2
    cwek  
       Jan 1, 2018
    城墙会拦截的,除非加个套。
    opengps
        3
    opengps  
       Jan 2, 2018
    国内 nds 似乎都是不完整解析。。。
    thetast
        4
    thetast  
       Jan 2, 2018 via Android
    关键看正常的 NXDomain 能不能回来
    stevele
        5
    stevele  
       Jan 2, 2018
    这是伟大的墙。
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