06-22-2023 12:49 PM
Hi all,
I was hoping to get some clarification on http2 and firewall interaction. I understand that generally http2 works without issue as long as it's being decrypted. I also understand disabling inspection/decryption (Strip TLS ALPN) on http2 traffic can cause it to be downgraded to http1, thus defeating the purpose. But what if there's simply not a decryption policy attached to a rule that sees http2 traffic? Does it just pass it along as http2 without deep inspection? Or does the http2 have to be decrypted for it to pass properly?
06-23-2023 02:52 AM - edited 06-23-2023 03:00 AM
Hi @KGDrake ,
It won't see it as http2 traffic. Without decryption, the firewall will classify this traffic as ssl traffic.
If you disable http2 inspection is will be classified as unknown-tcp.
Kind regards,
-Kim.
06-23-2023 02:52 AM - edited 06-23-2023 03:00 AM
Hi @KGDrake ,
It won't see it as http2 traffic. Without decryption, the firewall will classify this traffic as ssl traffic.
If you disable http2 inspection is will be classified as unknown-tcp.
Kind regards,
-Kim.
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!
