Lets Encrypt firewall rule

[TheMrDec]

I am not sure what to make of this.

I have had lets encrypt certs for a while now. Most of them were obtained before I set up OPNSense so I was still behind a fortigate. I went to add one to my reverse proxy server and it keeps failing the challenge. I can access the site without issues, on port 80, but for some reason, I see in the firewall logs that the requests to port 80 from the lets encrypt servers are being blocked.

Has anyone else had something similar?

[Monviech (Cedrik)]

Can you shed more light on your setup?

[ProximusAl]

Probably related to this:

https://community.certifytheweb.com/t/info-lets-encrypt-validation-failures-for-http-domain-validation/2209