Strange XMLRPC error... what could cause this?

[MrPete]

I got this notification:

XMLRPC Error
A communications error occurred while attempting to call XMLRPC method host_firmware_version: Unable to connect to tls://192.168.254.3:<<port>>.
Error: Operation timed out @ 2024-02-24 20:11:37

What's very strange:

• 192.168.254.3 is the IP for our secondary XMLRPC pfSync port on dedicated sync link
• <<port>> is the high numbered port we have chosen for the TCP Port in WebConfigurator (system->advanced) for access to the pfSense GUI

What would be trying to act like it's connecting to the pfSense GUI, but do so by connecting to the secondary sync port???

[stephenw10]

That's how the xmlrpc for config sync works. It implies the secondary didn't respond for some reason. Perhaps it was down at the time?