Status: Accepted
Owner: jean.deruelle
Labels: Type-Defect Priority-Medium Component-JAIN-SIP

New issue 161 by jean.deruelle: NIO TCP uses incorrect local interface on multihomed host
https://code.google.com/p/jain-sip/issues/detail?id=161

My product uses a server with two network interfaces, one for SIP and one for management. SIP requests arrive at the server on the SIP interface, where they are processed by a firewall application, then passed to the SIP container on the management interface. Similarly, outgoing SIP requests should leave the SIP container on the management interface, and arrive at the firewall application on the SIP interface, which then sends the request to the network on the SIP interface.

Using the Linux ss utility, I can see that the SIP container is opening a socket on the SIP interface to the firewall application, also on the SIP interface. This confuses the firewall application, as it identifies the socket from the container by looking for a far end address that matches the management interface

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