Let's Encrypt Community Support
Unable to validate my domain since the last couple of days due to signature algorithm not supported (it was working fine before)
Help
Bruce5051
September 19, 2022, 10:13pm
11
And along with what
@petercooperjr
has said, need TLS v1.2 or greater presently.
2 Likes
show post in topic
Related topics
Topic
Replies
Views
Activity
Certbot failed to authenticate some domains (authenticator: apache). The Certificate Authority reported these problems:
Help
7
13300
December 16, 2021
Certbot failed to authenticate some domains
Help
16
284
May 30, 2024
Certbot failed to authenticate some domains
Help
4
514
May 5, 2022
Failed to authenticate
Help
4
107
May 5, 2025
Challenge failed on Windows2016 for SSL
Help
8
1017
April 16, 2023