PING TELNET DNS简单命令

常用验证防火墙策略

ping 域名/IP 端口号

telnet 域名/IP 端口号

DNS配置

cat /etc/resolv.conf

domain DNS域名

search 域名 1 域名2 域名3

nameserver IP

nameserver IP

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转载自blog.csdn.net/sunt2018/article/details/83586245