Assistance with Proxy Error Issue

I hope this message finds you well. I am reaching out to request assistance with an issue I am encountering related to a proxy error with the sophos XG 330 (Fw1=SFOS 17.5.12 MR-1). I’ve noticed that when...
Webfilter HTTPS decryption breaks ChatGPT: HTTP parsing error encountered

We're discovering a strange issue with HTTPS decryption and ChatGPT in all browsers we use. ChatGPT is unusable when we're logged in with the ChatGPT-licensed Microsoft Account. Any chat request generates...
Sophos Firewall v21.0 GA - Kyber TLS (Edge/Chrome) connection reset error for transparent TLS decryption

We recently upgraded our Sophos XGS 4300 to SFOS v21. Since then, we are finding that a number of our users were receieving connection reset messages in their browser (Edge and Chrome) when attempting...