Hi, I'm having trouble getting the certificate to work; I get this error:
Certbot failed to authenticate some domains (authenticator: webroot). The Certificate Authority reported these problems:
Domain: saudecfl.nyxsistemas.com.br
Type: unauthorized
Detail: 177.131.141.128: Invalid response from http://saudecfl.nyxsistemas.com.br/.well-known/acme-challenge/aYDWQBEIxn9hKhpNnK9ToPWK_Yihrp7bnhOiBpnykIs: 404
System in java
Ubuntu Server 22
Firewall open in 80,443