iptables Configuration

iptables usage:

Add Rules:
iptables -I INPUT -p tcp --dport  -j ACCEPT
iptables -I INPUT -p tcp --dport  -j ACCEPT
iptables -A INPUT -i eth0 -p tcp -s 192.168.1.0/ --dport  -m state --state NEW,ESTABLISHED -j ACCEPT
 
Save Rules:
service iptables save
OR  /etc/rc.d/init.d/iptables save
 
Read Status
service iptables status
OR /etc/rc.d/init.d/iptables status
 
iptables -nvL --line-number
 
Delete Rules
iptables -D INPUT 
 
Update Rules
iptables -R INPUT  -j ACCEPT

或者直接编辑

/etc/sysconfig/iptables