[OpenSIPS-Users] drouting: is_from_gw() does not detect requests from (redundant) PSTN gateways

[Rene de Vall]

Hi Bogdan,

...yes, you're right, the gateway "behaves asymmetric", when it sends out
the request it uses just the next port (socket) which the underlying
operating system (IOS, in this case) offers as source port.

Your proposed fix sounds goof to me, as it would work for all types of
gateways, no matter if they "behave symmetric" or "asymmetric". If one needs
to diversify a gateway which uses one IP and different ports, she can always
add the port to the datafilled address in table dr_gateways...

Thank you for your fast response and best regards,

René
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