I was trying to renew the domain certificate but the following error came out: Certbot failed to authenticate some domains (authenticator: apache). The Certifi cate Authority reported these problems: Domain: www.alarmarltda.com Type: connection …

Hello @bcastrillon18 , welcome to the Let's Encrypt community. :slightly_smiling_face: Best Practice - Keep Port 80 Open The HTTP-01 challenge of the Challenge Types - Let's Encrypt requires access to Port 80. Using the online tool https://letsdebug.net/ yields these results https://letsdebug.net/…

And for limits see: Rate Limits - Let's Encrypt Duplicate Certificate Limit - Let's Encrypt Testing and debugging are best done using the Staging Environment . To assist with debugging there is a great place to start is Let's Debug .

[image] Bruce5051: 80/tcp filtered http 443/tcp filtered https This most often means "actively blocked by a firewall or router".

Error creating new order :: too many failed authorizations recently - #6 by system - Help

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