Hi,
in advance: absolute noob here, thanks for any help and your patience ^^.
I try to configure a server behind a sophos utm 9 that needs to be able to send and receive rtp on ports 30000 - 33000. The problem i have is that incoming traffic gets blocked by fwrule 60001. I understand that this is blocked traffic due to no request has been sent to the host from the server outbound.
What is your advice to configure this? I understand i could just DNAT the ports and done, but i dont know this would be right, and if there is a more restrictive way to make this work.
also, beside your recommendations, we have a signalling on a specific port, is it possible to make a rule a la "if i send a client on port x, then this client is allowed to send rtp and stun to port 30000-33000 of my server"?
the clients that connect do that via WebRTC in browser or WebRTC/IceLink from mobile phone, with custom signalling for browser and SIP via Icelink from mobile.
Thank you in advance,
Bim
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