VNC no longer connecting in Selenoid UI after vnc_firefox:104.0

[nordicmachine]

Apologies if this should be in the selenoid-ui project rather than here, but I figured since my setup works up to Firefox 104.0 and breaks at Firefox 105.0 that it might be image related.

I can view a VNC session in Selenoid UI with Firefox up to version 104.0 but if I try to use any version of Firefox 105.0 and up, it fails. In Selenoid UI it just says "VNC Connecting" but never actually connects. I'm using the selenoid vnc_firefox images with the following versions:

OS: Red Hat Enterprise Linux release 9.4 (Plow)
Docker CE: Docker version 25.0.3, build 4debf41
Selenoid Version: Git Revision: 1.11.2 / UTC Build Time: 2024-01-25_02:58:52PM
Selenoid-UI Version: Git Revision: 1.10.11 / UTC Build Time: 2024-01-07_01:38:20PM

I'm running the go binaries directly on the system. There's no reverse proxies, I'm just connecting directly to selenoid / selenoid-ui.

I differed the images repoistory between Firefox 104.0 and 105.0 but nothing jumped out at me. I'm trying to figure out what might be different and causing this issue. Any help/suggestions would be greatly appreciated.

[vania-pooh]

@nordicmachine most probably this is because of SELinux or other RedHat security rescrictions.

[nordicmachine]

SELinux is set to Permissive on those hosts. Would welcome any other thoughts/ideas on how to debug this further.

[vania-pooh]

@nordicmachine check what's happening on the developer tools Network tab while you are opening a VNC session. Also are there any errors in Console?