*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p 50 -j ACCEPT
-A RH-Firewall-1-INPUT -p 51 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
#-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
#-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
### begin ssh 
#-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp --dport 22 --syn -s 192.168.1.0/255.255.255.0 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp --dport 22 --syn -m limit --limit 6/m --limit-burst 5 -j ACCEPT
### end ssh
### begin cluster
-A RH-Firewall-1-INPUT -i eth0 -s 192.168.1.0/255.255.255.0 -j ACCEPT
-A RH-Firewall-1-INPUT -i eth0 -d 255.255.255.255 -j ACCEPT
-A RH-Firewall-1-INPUT -i eth0 -p udp --dport 67:68 -j ACCEPT
-A RH-Firewall-1-INPUT -i eth0 -p tcp --dport 67:68 -j ACCEPT
### end cluster
### begin log
-A RH-Firewall-1-INPUT -m limit --limit 10/second -j LOG
### end log
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT
### begin nat
*nat
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A POSTROUTING -o eth1 -j MASQUERADE
#-A PREROUTING -i eth1 -p tcp --dport 2222 -j DNAT --to 192.168.1.200:22
COMMIT
### end nat