iptables Problem

Michal Jaegermann michal at harddata.com
Wed Sep 13 22:10:26 UTC 2006


On Wed, Sep 13, 2006 at 05:26:10PM -0400, Janina Sajka wrote:
> For some reason the DNAT target isn't working in the following situation.
> 
> iptables -t nat -A PRErOUTING -i eth0 -p udp --dport 5060 -j DNAT --to 172.16.32.48
> 
> however
> 
> iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT 172.16.32.48
> works just fine.
> 
> Any clue?

My first guess would be that earlier you have a rule which does
DROP or REJECT on packets to port 5060.  I assume that "PRErOUTING"
is a copying mistake.  Right?

   Michal




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