On Wednesday 2008-10-01 16:06, Christoph Paasch wrote:
>
>I would like to know, that if I have a filter like the one shown below
>(allowing outgoing connections of every protocol-type), does netfilter stores
>in the state of the established outgoing connection also the protocol which
>established the connection? (TCP, UDP, ....) Or does it opens the connection
>for any protocol?
>
>iptables -A FORWARD -i eth0 --ctstate NEW, RELATED, ESTABLISHED -j ACCEPT
Read the really-really-really-nice manpage (which has gotten so much care
from me). I mean, hey, it's directly below --ctstate! :-)
[!] --ctproto l4proto
Layer-4 protocol to match (by number or name)
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