Authenticate/Decrypt packet error: packet HMAC authentication failed

Hello altogether, we still have a UTM here in version 9.719-3. We also have the latest Connect Client. There is now one employee, at least I only know of one, who keeps getting the message “Authenticate...
DNS über Port 853

Hallo liebe UTM-Endzeitnutzer, wir hatten ein paar Problem mit Starface für MAC, der sicheres DNS verlangt ab Version 8 irgendwas. Da habe ich den Port 853 freigegeben und es funktioniert soweit. Bei...
Modify sub domain, port and path of URL

First let me explain the reason for my question. I am runnin an internet radio station country-radi eu and want to use ports 80 and 443 for streaming the audio, because in public networks ports like 8000...