Sorry for posting this again. It expired while I was waiting for the web developer to respond to my question:
The web admins are seeing a lot of abortive SSL sessions in the log. The only status code I see in analytics is 200. I don’t even know where I would look to try to figure this out.
They sent me a screenshot of a some sample log messages.
The answers they provided are:
Hardware: Azure Virtual Machine
Linux Version: Red Hat Enterprise Linux release 8.2 (Ootpa)
Web server: Server version: Apache/2.4.43 (Unix)
Server built: Feb 13 2021 01:40:07
Core web application codebase: Python Pyramids
there’s not really any other software involved in the transaction between Cloudflare and our VMs…
only port open is 443, with a whitelist to CF IP addresses.
The questions about CMS and Web Browser are … not applicable.