18 May
2018
18 May
'18
7:57 a.m.
You are right Alex, Linux kernel didn't support SO_REUSEPORT, which allows
a socket to be used as source for a tcp connection while is already bound,
until version 3.9.
Kamailio's parameter tcp_reuse_port, if enabled and your OS has support for
SO_REUSEPORT (so not only Linux but FreeBSD, OSX and others), allows you to
use force_send_socket (or $fs) to send messages from a TCP port kamailio is
listening to.
Cheers,
Federico
On Fri, May 18, 2018 at 12:28 AM, Alex Balashov <abalashov(a)evaristesys.com>
wrote:
When an outgoing TCP connection is opened, either a
port can be
explicitly bound, or it is auto-assigned by the OS's networking stack. I
believe Kamailio does the latter and does not offer options to constrain
the range. If it does, I'm not aware of any apart from this one:
https://www.kamailio.org/wiki/cookbooks/5.1.x/core#tcp_reuse_port
Not sure if it would help in this case, you'd have to give it a try.
On Thu, May 17, 2018 at 10:21:34PM +0000, Wilkins, Steve wrote:
It appears that the bottom line of my TCP
transport not working is that
Kamailio is randomly assigning large port numbers to
send the TCP traffic
out on.
I am not able to randomly open high ports for
this purpose. Is there a
way to tell Kamailio to only use specific ports for this.
I have tried
using
force_send_socket() with Kamailio' s IP, and
the port I want to send out
on, but this did not work either. Does this sound like
I am on the right
track?
Thank you,
-
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Alex Balashov | Principal | Evariste Systems LLC
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