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Block as follows - outbound:UDP Any Any Any 443,80You can verify it's working by doing the following before creating the rule using Chrome. Go to youtube.com and in Chrome open Developer Tools -- Security -- Look for "QUIC" under Connection.Once you ...
I think I've fixed this now - I had to change the source port from 443,80 to Any and I can now see hits against it and when using the 'Security' tab in Developer Tools it now shows TLS 1.3 rather than QUIC.
Would the correct way to block it be:DenyUDP Any 443,80 Any 443,80?When I have that in place I'm not seeing any hits against it (am trying to access Facebook, YouTube and Gmail to trigger it, using Chrome). The rule is at the bottom of our deny rules...
