[Serusers] SER on Dual Honed Machine Bug ?

Nils Ohlmeier nils at iptel.org
Wed Oct 22 15:04:23 CEST 2003


Hello,

first you can try to add both interface (with name or IPs) with 
'listen=x.x.x.x' to the global part of your config. If this still does not 
help you can try it with 'mhomed=yes' in the global part of your config.

Greets
  Nils

On Wednesday 22 October 2003 14:06, dhiraj.2.bhuyan at bt.com wrote:
> Hello List,
> I am running SER (0.8.11) on a machine that has two network interfaces. On
> one interface I have a 192.168.1.0/24 network (internal network) and the
> other one is the public interface. SER is working as a registrar and as a
> proxy. When a UA on the private network sends a SUBSCRIBE message to a UA
> on the outside via the SER proxy (listening on 192.168.1.1), the packet
> received by other UA has the 192.168.1.1 layer 3 address. So it means that
> SER is using the internal interface address as the layer 3 source address
> when sending packets through the external interface. Is this a known bug?
> (NAT on the machine is working fine. I am using redhat 9, kernel 2.4.21)
>
> Is there any way to change/replace/manipulate the VIA header like you can
> do with the URI's? Sorry am very new to SER and am trying to read as much
> as I can.
>
> Any feedback will be greately appreciated.
>
> Thanks,
>
> Dhiraj Bhuyan
> Security Research Engineer
> BT Exact
>
> Tel:   +44 1473 643932
> Mob:   +44 7962 012145
> Email: dhiraj.2.bhuyan at bt.com
>
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