Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com ), so withholding your domain name here does not increase secr…

[image] baryah: Detail: During secondary validation: 117.208.191.162: Fetching http://baryah.no-ip.org/.well-known/acme-challenge/6g_hbCpxfSH3kbUjbWhcGJG3U01B0K7On7BacLH9gAQ: Timeout after connect (your server may be slow or overloaded) Do you have any geocaching?

[image] baryah: During secondary validation This means that some locations could fetch the challenge file, but others could not. [image] baryah: Timeout after connect (your server may be slow or overloaded) That seems to be a problem. Check website performance and response …

I also ran sudo /usr/bin/certbot certonly -v --dry-run --webroot --agree-tos --redirect --hsts --staple-ocsp -d baryah.no-ip.org -w /var/www/nextcloud and got the following output - Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator webroot, Installer None Si…

I concur with @Bruce5051 and @petercooperjr . [image] baryah: During secondary validation [image] baryah: Timeout after connect (your server may be slow or overloaded)

[image] baryah: Detail: During secondary validation: 117.208.191.162: Fetching http://baryah.no-ip.org/.well-known/acme-challenge/EXtH0fmRd0uL26_ePOSbgTIORZZbGkqwBY10fTM613c: Timeout after connect (your server may be slow or overloaded) And again @baryah the same issue. Let’s Encrypt uses M…

Also the Nextcloud forums https://help.nextcloud.com/ might also be of assistance for you.

I also began experiencing this problem today, so I am watching for suggestions. I was also thinking that it might be firewall related, because the server in question is the frequent target of data harvesting AI bots, and we've taken sort of a brute force approach to blocking whole sets of ASN netwo…

Just saw, and read, this one: Unexpected renewal failures since April 2024? Please read this! I'll just say it would be extraordinarily helpful to know what the IP addresses are, if for no other reason than to verify that unblocking them would solve the problem for now. I guess I'll have to disab…

The Certificate Authority failed to download the temporary challenge files created by Certbot

Help

MikeMcQ October 23, 2025, 12:31am 10

Please read this post that was posted earlier. It explains all you need about that

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The Certificate Authority failed to download the temporary challenge files created by Certbot

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