[sr-dev] [tracker] Task opened: MI datagram replies with wrong udp-port

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Per Carlen (peca) 

Attached to Project - sip-router
Summary - MI datagram replies with wrong udp-port
Task Type - Bug Report
Category - Modules kamailio
Status - Unconfirmed
Assigned To - 
Operating System - Linux
Severity - Low
Priority - Normal
Reported Version - 4.0
Due in Version - Undecided
Due Date - Undecided
Details - When a udp-packet is sent to the address and port specified in kamailio.cfg, the response contains wrong source-port. The result is that external functions will be able to get responses. 

In the following trace, mi_datagram listens on 127.0.0.1:9998. A perl-script sent a command to this port and never got the response back, since the portnumber had changed.

127.0.0.1.45047 > 127.0.0.1.9998
127.0.0.1.51988 > 127.0.0.1.45047

I had a brief look in the source-code, and it looks like a new socket is created for responses. Shouldn't the "server socket" be used for sending responses?


More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=387

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