我们来配置一个filter表的防火墙.
(1)查看本机关于IPTABLES的设置情况
[root@tp ~]# iptables -L -n
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain INPUT (policy ACCEPT)
target
Chain FORWARD (policy ACCEPT)
target prot opt source destination
target
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
target
Chain RH-Firewall-1-INPUT (0 references)
target prot opt source destination
ACCEPT all — 0.0.0.0/0 0.0.0.0/0 继续阅读
target
ACCEPT