125.193.242.25是一个CDN节点,当我分析TCP连接时,会看到以下信息:
[root@hkk10 ~]# netstat -na
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:3311 0.0.0.0:* LISTEN
但是搭建了本地DNS,客户端(windows)创建后立马报NOT IMPLEMENTED,buffer_read_ipv4_address_at,是Windows不支持,但是我看教程搭建都是客户端是windows,不搭建本地DNS,直接设置权威服务器DNS,返回只有answer<1,会直接报DNS DNS didn't return an answer