Mar 19, 2020 · My answers are: Let's Encrypt doesn't require any TCP ports to be open, if you use a DNS-based verification method.

Mar 19, 2020 · My answers are: Let's Encrypt doesn't require any TCP ports to be open, if you use a DNS-based verification method.

Jun 14, 2017 · Hi! I have all ports blocked on my server and can just unblock specific ones. Could you please tell me which ports should I unblock to get ...

Nov 17, 2019 · Hello, I have a problem when I create a subdomain, I don't have problems creating subdomains like: subdomain.domain.com Then I create the ...

Aug 12, 2019 · Hello guys, We are using the Acme Lets Encrypt Plugin for an virtualized OPNsense firewall which is hosted by keyweb.de.

Apr 26, 2020 · Hi. According to network tests, your port 443 and 80 are both filtered. This means there's either a firewall blocking such ports, ...

Jul 1, 2016 · I have configured letsencrypt to work on my website, https://synodins.com, just fine. The problem is that I am setting up nodejs on it and ...

May 2, 2020 · My question is whether port 80 is required for the renewal of an existing certificate. When you say: “There https is used -> local initiated ...