Posts by Athar

With the snapd solution, I'm fine (did the same as you, the chain1.pem to the same site, R3/ISRG1)

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But, I just tried to add a new subdomain, then add the SSL with the LE plugin, and today, don't ask me why, not working

Maybe the DNS isn't yet fully replicated all over the world, so I'm waiting a little to try again.

Edit : I confirm, this was a DNS propagation issue (was a fresh new subdomain), just retried now (22:40) and it pass:

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R3 by ISRG X1, so this is working.

I just got a little issue, the "cross-signed" certificate in CA-Certificate, I disabled those, wasn't able to use CURL with sites based on Let'sEncrypt SSL certs.

Yes, if you rerun the UPDATE plugin, it replace the certbot with the old one package with it.

In this case, delete it and redo the symlink with the one from snapd, should be enough

Well, read the general post which Kess posted ?

Funny, didn't get any validation error (else the panel wouldn't enable the SSL for the specified domain).

Don't know what's wrong on your server, but something might be missing as it can't verify the certificate.

I did remove a few certs during my tests, so I did create some fresh new certs for those, no issues.

Same for a domain which never get enrolled with LE, it worked (SSL is working for this site, so the VHost is created, else would not work at all )

For me, the solution provided by Kess remain the best at the moment ==> LetsEncrypt - SSL certificate is not valid

Update your certbot and enforce the use of ISRG1, or use the solution provided by kess (which seems to work)

Gpeter, one post is enough, no need to open more for the same issue

I don't speak a word of German, so I'll stay in English

If you did the changes for the "customer" sites, you have to do it for the panel itself.

I didn't use Let'sEncrypt for the panel and its services, but you have to regenerate the certificate there too.

Once logged as the admin, go to the System infos (or System tools), then you'll have the Let's Encrypt manager for the panel AND the services.

https://Your_Panel_Domain/admin/letsencrypt

Open your eyes... LetsEncrypt - SSL certificate is not valid