[SR-Users] sdp_remove_line_by_prefix

Alberto Sagredo alberto.sagredo at avanzada7.com
Wed Feb 24 16:05:58 CET 2016

No problem Daniel. Im proud of using Asterisk, and having being done for
years.. Thats not the fact.

Just when you want to hide your topology inside to attackers or so, maybe
that would be useful. Off course there is other ways to check and look for.

Some providers i found... see Asterisk and relax their configuration
problems to your side.. Somes not, and SIP traces talks most of the times..

I just wonder if its possible,  but seems with s= inside body not. Just
being curious while playing..

2016-02-24 15:52 GMT+01:00 Daniel Tryba <d.tryba at pocos.nl>:

> On Wed, Feb 24, 2016 at 03:22:46PM +0100, Alberto Sagredo wrote:
> > I know where to change in Asterisk, but i plan to hide in Kamailio :) If
> > you have an Asterisk farm it would be easy to change at one point.
> >
> > Just to play.. Changed User Agent.. and thought to change also s= traces
> on
> > SDP..
> Ofcourse I'm kind of trolling with my response, I have some asterisk
> commercial implementations in my network that try to hide they are using
> asterisk, but you can spot them easily in most cases. You'll need to
> look further than SDP body to filter asterisk from responses (see the
> to/from headers, the s@ in URI etc.).
> > Its not a must, but if you do not show Asterisk to providers, sometimes
> > help you more :P
> This is not experience, I'm open about the fact we use asterisk (and
> kamailio ofcourse) and never had that backfire in any way.
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