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List:       serdev
Subject:    [Serdev] [Tracker] Created: (SER-424) Incorrect address could be
From:       "Jan Janak (JIRA)" <tracker () iptel ! org>
Date:       2008-08-22 9:09:50
Message-ID: 12741026.1219396190081.JavaMail.root () tracker
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Incorrect address could be used in Via and Record-Route with TCP
----------------------------------------------------------------

                 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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