linux 中 iptables关于ping的问题
允许ping入
iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT
iptables -A OUTPUT -p icmp --icmp-type echo-reply -j ACCEPT
允许ping出
iptables –A INPUT –p icmp --icmp-type echo-reply –j ACCEPT
iptables –A OUTPUT –p icmp --icmp-type echo-request –j ACCEPT
