01-13-2020 08:27 AM
We upgraded the firewall to v9.0.4 from 8.1.11h2 this weekend and came in to our hosted exchange / outlook profiles failing to load. I added the mail host server in the do not decrypt policy and a percentage of the users reported services normal. It was not until I disabled decryption completely until the entire network started working consistently. Has anybody had any new decryption issues post upgrade?
01-14-2020 08:58 PM
The only thing that should have changed is that 9.0 would be performing decryption on HTTP/2 connections; that's really easy to disable in a test decryption profile by selecting the Strip ALPN option and applying it to a test client and seeing if that works properly.
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