vim /etc/sysconfig/iptables
-A INPUT -p icmp -m icmp --icmp-type time-exceeded -j DROP
-A OUTPUT -p icmp -m icmp --icmp-type time-exceeded -j DROP
重启iptables服务:
systemctl restart iptables
检查新添加的规则是否有效,检查命令:
iptables -L -n
vim /etc/sysconfig/iptables
-A INPUT -p icmp -m icmp --icmp-type time-exceeded -j DROP
-A OUTPUT -p icmp -m icmp --icmp-type time-exceeded -j DROP
重启iptables服务:
systemctl restart iptables
检查新添加的规则是否有效,检查命令:
iptables -L -n