How can I block all traffic except web traffic?

Posted by toddoon on Server Fault See other posts from Server Fault or by toddoon
Published on 2009-03-18T15:23:02Z Indexed on 2010/03/14 0:55 UTC
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I have wrote my rules like this:

iptables -P INPUT DROP
iptables -P OUTPUT DROP
iptables -P FORWARD DROP

iptables -A OUTPUT -i eth0 -p tcp --dport 80 -j ACCEPT

What do I do next?

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