/etc/sysconfig/iptabeles の記述例
# Generated by iptables-save v1.4.7 on Thu Oct 4 12:09:30 2012
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 10051 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 10050 -j ACCEPT
-A INPUT -s 158.205.143.164 -p tcp -m state --state NEW -m tcp --dport 21 -j ACCEPT
-A INPUT -s 158.205.104.203 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -s 158.205.104.244 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -s 158.205.143.164 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT