[SR-Users] Forcing Outbound Socket

[Ross McKillop]

Hi,

Thanks, I was almost certain that is set but it seems it may not be so will double check that, thank you :) 

Now to solve the other issue.... 

Ross

> On 10 Nov 2021, at 17:14, Federico Cabiddu <federico.cabiddu at gmail.com> wrote:
> 
> Hi, 
> to force kamailio to use, for outbound connections, a specific tcp port (define in a "listen" directive), you have to set the reuse_tcp_port parameter (https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_reuse_port <https://www.kamailio.org/wiki/cookbooks/5.5.x/core#tcp_reuse_port>).
> 
> Cheers,
> 
> Federico
> 
> On Wed, Nov 10, 2021 at 4:36 PM Ross McKillop <ross at rsmck.co.uk <mailto:ross at rsmck.co.uk>> wrote:
> Hi All,
> 
> Try as I may I cannot force an outbound TCP request to use a non-ephemeral source port.
> 
> Looking at the documentation it seems that as long as I have a line like 
> 
>         listen=tcp:10.30.0.55:3339 <http://10.30.0.55:3339/>
> 
> I should be able to force an outbound connection to originate from that host and port, i.e. to establish a persistent connection from a specific socket to a remote host, but having tried to set it via $fs and set_send_socket() it always uses an ephemeral port.
> 
> Ideally I would like kamailio to use a specific source port for contacting a specific remote host and keep the TCP socket established, and it seems like it should be simple enough to do but it's not working as expected. 
> 
> Best,
> Ross
> 
> 
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