[Bug 33008] New: UDP listening on specific IP address does not work properly

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=33008

             Bug #: 33008
           Summary: UDP listening on specific IP address does not work
                    properly
           Product: Wine
           Version: 1.5.24
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: decimusmaximus at seznam.cz
    Classification: Unclassified


Wine updated from 1.5.6 to 1.5.24.
My app uses UDP listening on specific address (not 0.0.0.0). It is running on
machine with NAT, there are two interfaces with IP A.A.A.A (public) and IP
B.B.B.B (private) My app is set to listen only on one IP address, IP A.A.A.A
It works properly on Wine 1.5.6. Traffic from subnet B.B.B.B is NATed to
A.A.A.A interface and application running in wine receives it correctly.

After update to 1.5.24 it does not work anymore. 
Application does not receive data from private subnet B.B.B.B, however it works
properly for traffic incoming on A.A.A.A interface.

Please see attached schema.

results of "netstat --listening"
with Wine 1.5.6 it is listening on A.A.A.A address correctly.
with Wine 1.5.24 it is listening on 0.0.0.0 (obviously incorrect, socket
binding is set to A.A.A.A address in application and although it is saying
0.0.0.0 app does not receive any data from B.B.B.B network)

This application has to be listening only on one interface and do not mix
public and private addresses. In this case it is not accessible for clients in
private network, so it is critical bug.

Main strange thing is, that it is listening on all addresses 0.0.0.0 although
socket binding in application is set to address A.A.A.A

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