10 Nov
2021
10 Nov
'21
7:14 p.m.
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
).
Cheers,
Federico
On Wed, Nov 10, 2021 at 4:36 PM Ross McKillop <ross(a)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
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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