Incorrect address could be used in Via and Record-Route with TCP
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Key: SER-424
URL: http://tracker.iptel.org/browse/SER-424
Project: SER
Issue Type: Bug
Affects Versions: 2.0, Ipteldorf
Reporter: Jan Janak
If SER listens on two interfaces and recives and sends traffic over TCP, it can
happen that an incorrect address would be used in Via and Record-Route headers.
SER cannot determine the IP address that will be used from the socket so it
would use the IP address of the first socket it listens on in Via and
Record-Route. But that's not necessarily the interface which is used to receive
and send SIP traffic.
This could be a problem if there is a firewall blocking SIP traffic to the
interface whose IP address was put in Via. In that case SER will not receive
the reply.
The fix here would be to create the TCP connection before printing Via,
obtaining the source IP address from it and putting that in Via/Record-Route.
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