09-06-2018 12:39 PM
Hi community
For everyone who (like me) does not regularly check the "Custom signatures" forum I wanted to inform you about this custom App-ID to detect DNS-over-HTTPS (DoH). Until PaloAlto provides an official custom App-ID for this or implements support for DoH in the DNS sinkhole/DNS Proxy feature it is probably the only way to block DoH requests to retain existing protections.
--> https://live.paloaltonetworks.com/t5/Custom-Signatures/Custom-App-ID-for-DNS-over-https/td-p/229784/
Stay secure!
Remo
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