Good Evening!
I'm seeing a lot of traffic under webfiltering top applications called Virtual Extensible Lan. I'm trying to understand what this is and block it if it's trying to circumvent the policies I have in place. I tried blocking it anyway from application control but it had no effect. I tried looking through firewall and application logs and web filtering but nothing caught my eye. I tried capturing some suspect traffic but it didn't reveal anything. I tried to block some known ports at firewall for vxlan but that didn't seem to have an effect either.
I have the webfilter as transparent and doing https inspect on all categories (including vpn/anonymizer ) possible that don't break everything .
Thank You!
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