Re: firewall problem

Linux Advanced Routing and Traffic Control

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this is a udp datagram which originate from one of the computers in my
local lan, not the firewall

however, the SNAT is on the POSTROUTING table which means (as far as i know)
that it is also applied to packets originating from the firewall (
i.e. the packets from the
OUTPUT chain travel to the POSTROUTNING chain)

pls. correct me if i'm wrong.

thanks,
erez.

On 3/14/06, Ilya Konstantinov <linux-il@xxxxxxxxxxxxxxxxxx> wrote:
> Where are you pinging from? Be aware that locally-generated packets
> (e.g. pinging from the firewall) don't pass the NAT tables.
>
> Erez D wrote:
>
> > but tcpdump both on ppp0 and on remote bbb.bbb.bbb.bbb gives:
> >
> >
> > 10:35:27.564611 IP 192.168.0.254.5070 > bbb.bbb.bbb.bbb.5060: UDP, length 489
> >
> > so snat is not working
> >
>
>
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