Hi All,
At the risk of possibly dragging up an old thread
(https://lists.kamailio.org/pipermail/sr-users/2021-June/112791.html
<https://lists.kamailio.org/pipermail/sr-users/2021-June/112791.html>) I’m
seeing unusual behaviour where $Rp is still showing what I think is the ‘wrong’
behaviour, but given Daniel’s reply on the earlier thread I want to be sure
this isn’t the intended behaviour.
The thread above confirms that $Rp is not taken from the IP layer but is
intended to give the attribute of the listen socket associated with the SIP
traffic, which is fine and what I’m expecting, but in my case it doesn’t seem
to be working this way.
(I’ve tried with and without tcp_reuse_port=yes and tcp_connection_match=1 too
just in case one of the above parameters has changed this behaviour)
If Kamailio listening on multiple ports e.g.
listen=tcp:10.30.22.73:7701
listen=tcp:10.30.22.73:7702
listen=tcp:10.30.22.73:7703
listen=tls:10.30.22.73:7801
listen=tls:10.30.22.73:7802
listen=tls:10.30.22.73:7803
And I use $fs to force the socket of an outbound message to one of the above
before t_relay() it works as expected (with tcp_reuse_port it originates from
the given port number above, without that set it will originate from a
different ephemeral port even to the same destination, so $fs is working as
expected)
Then, in reply_route{} I have a simple line to add the port it was received on
to the headers (I’ve also tried with $RAp)
append_hf("X-Rcvd-Port: $Rp\r\n”);
In every case, the reply seems to contain the *first* port of the protocol type
(so in the above example every TCP reply irrespective of whether it is to
7701/02/03 will show $Rp 7701, and every TLS reply will show 7801)
Any advice or insight anyone can offer would be much appreciated.
Thanks,
Ross__________________________________________________________
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