Solved files6 seems down [LetsEncrypt root cert]

[mimic]

FYI; When trying to update CB via the web interface I got this error:

Could not get versions.txt from https://files6.directadmin.com/services/custombuild. Trying backup.

After that I have set a new server via CLI with set_fastest, it chose files2 (even though I'm in Europe)
Updating in DA CB in the web interface now works.

 

[mimic]

I think this is related because (at least) files6 uses LetsEncrypt, and is up visiting with a normal browser.
The files2 server does not use LetsEncrypt.

Let's Encrypt's Root Certificate is expiring!

On 30th September 2021, the root certificate that Let's Encrypt are currently using, the IdentTrust DST Root CA X3 certificate, will expire. You may or may not need to do anything about this Root CA expiring, but I'm betting a few things will probably break on that day so here's

scotthelme.co.uk

On 30th September 2021, the root certificate that Let's Encrypt are currently using, the IdentTrust DST Root CA X3 certificate, will expire. You may or may not need to do anything about this Root CA expiring, but I'm betting a few things will probably break on that day so here's what you need to know!

Edit: that seemed indeed to be the case on CentOS 7.9. --Updating ca-certificates solved it.