Help w/ Iptable Rules

[fbrian]

Hi

I need help w/ simple iptables rules.

Needs:
        to only allow ssh packets in and they would be over an
        ethernet interface.

        allow all outbound traffic

Rule set I am working with.


     iptables -N block
     iptables -A block -p tcp --syn --destination-port 22 -j ACCEPT
     iptables -A block -p tcp --syn -j DROP
     iptables -A block -m state --state ESTABLISHED,RELATED -j ACCEPT
     iptables -A block -m state --state NEW -i ! eth0 -j ACCEPT
     iptables -A block -j DROP


     iptables -A INPUT -j block
     iptables -A FORWARD -j block

TIA

Brian



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