[asterisk-users] tcpbind and source IP address

[Kseniya Blashchuk]

Tested with latest Asterisk 14.3.0 on Ubuntu 16 kernel 4.4.0-66-generic and
Centos 7 kernel 3.10.0-514.10.2.el7.x86_64. Absolutely the same behavior.
Joshua, maybe you can advice what can be done further?

пн, 13 мар. 2017 г. в 14:52, Kseniya Blashchuk <ksyblast at gmail.com>:

> Ah ok, thank you for checking.
> I'll maybe also try with the latest asterisk and/or other distro and see
> if this behavior is reproduced.
>
> пн, 13 мар. 2017 г. в 14:46, Joshua Colp <jcolp at digium.com>:
>
> On Mon, Mar 13, 2017, at 08:43 AM, Kseniya Blashchuk wrote:
> > Mmh sorry I'm afraid I did not understand your last message. Yes the code
> > does that but only with UDP, for TCP the source address is 192.168.0.172
> > though it's bound to 192.168.0.177:
> > IP 192.168.0.172.47596 > <mydestip>.5061
> > If it was a system/kernel issue, then why is the behavior different for
> > TCP
> > and UDP? I thought that maybe the application does not request the bound
> > address as a source in case of TCP...
>
> The chan_sip module, from looking at the code, does use the bound
> address when connecting. Someone would need to dig deeper to understand
> if the problem is somehow in Asterisk or if it is the system somehow
> doing it.
>
> --
> Joshua Colp
> Digium, Inc. | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
>
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