Cpanel/WHM stopped working overnight.

[ADresch]

I'm not sure why this has happened, CPanel/WHM has been fine for a while not

I got up this morning and noticed I couldn't access either WHM or Cpanel via the normal URL's

I've logged in via SSH, run a forced /upcp and also changed from Stable to release then to current, nothing seems to work

Can someone give me some advice on how to best troubleshoot this?

Many thanks!

 

[tweakservers]

do you recently install any firewall on the server? also, are you accessing via domain.com/cpanel or /whm or serverIP/cpanel or /whm ?