Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.
I noticed in The Logs from our Router that there is 1.25GB Upload on STUN and about 850MB Download STUN. Could someone please tell me what that could, I say could be ? Could it be video chatting over WhatsAPP OR FACETIME ?.
Hi JohnMMM ,
Thank you for reaching out to the community, yes STUN is widely used for WhatsApp/FaceTime Voice and Video calls and uses the UDP 3478.
You can also block this protocol via application filter, as Illustrated in the screenshot below:
Thanks & Regards,
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Vivek Jagad | Team Lead, Technical Support, Global Customer Experience
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