> Here are the rules I use on my firewall:
> #----------------------------------------------------
> # Firewall traffic
>   echo "Allowing firewall traffic"
>
>   # Allow outside to reply to firewall but not to
>   # iniatite connections.  This is required for
>   # masqueraded connections and SOCKS5 proxy to work
>   # ONLY unpriviledged traffic here
>
>   ipchains -A input -p tcp -y -i $EXTERNAL_INTERFACE \
>            -d $EXTERNAL_IP $UNPRIVPORTS -l -j DENY
>   ipchains -A input -p tcp -i $EXTERNAL_INTERFACE \
>            -d $EXTERNAL_IP $UNPRIVPORTS -j ACCEPT
>

Any comments on what you do at the UDP level for the UNPRIVPORTS? Do you
DENY, ACCEPT or REJECT?




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