[asterisk-users] Firewall Issue

RSCL Mumbai rscl.mumbai at gmail.com
Mon Aug 8 10:47:31 CDT 2011


On Mon, Aug 8, 2011 at 6:03 PM, Faisal Hanif <faisal at vopium.com> wrote:

> If you take a bit deep analyses on SIP packet you will be able to
> understand the issue,****
>
> ** **
>
> Iptables filter on layer-3 while SIP is on layer-7. It is easily possible
> to generate a SIP packet with different source-ip than physical interface.
> ****
>
> ** **
>
> You can also simulate it if you set external-ip=some-else-ip in SIP.com in
> asterisk. All you SIP packets will contain new some-else-ip while layer-3
> headers will still have actual physical interface IP.****
>
>
>
I am usingOS (Elastix distribution).
I am not really a champ at system administration.... hence this went over
the top.

I will observe the system tonight and send my feedback tomorrow.

Thx to everyone for being with me on this.
Sans
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