I elegant solustion is install kamailio as frontend server and filter MESAGES on it.
About Iptables. I do simple - bind all sockets exept 5060,5061,5080 and similar to private IP on dedicated NIC or dummy NIC.

Sergey  

вт, 31 мая 2016 г. в 12:23, Seeliger, Adam <Adam.Seeliger@qsc.de>:

Hi all,

 

I am looking for a way to disable certain SIP methods like „MESSAGE“ for example.

Is it possible to configure FS to ignore methods or send a 405 method not allowed?

 

Currently I run iptables  to block methods (like MESSAGE).

We plan to implement TLS + SRTP, but that would not work with iptables anymore.

 

Can you help me out here?

 

Thanks in advance!

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