Hey Guys, I'm currently trying to locate documentation on the LetsEncrypt plugin. I'm running into validation errors when trying validate my domain using the duckdns API. Thus, i want to verify if my configuration is correct using the documentation. LetsEncrypt WIKI/Documentation . OPNsense Hi this is related to Letsencrypt manual authenticator mode with the ACME challenge file having a dot prefix certbot/certbot#730.This can be blocked with 403 Forbidden access by some Nginx configurations which block dot prefix files/folders from web access by default. LetsEncrypt-Win-Simple is the command prompt utility for the interactive issue a SSL certificate and bind it to a specific site on your IIS web server; Our task is to switch it to HTTPS mode by installing SSL certificate from Let's Encrypt. How to use Let's Encrypt DNS challenge validation? Ask Question 147. 101. Let's Encrypt has announced they have: Currently it is possible to perform a DNS validation also with the certbot LetsEncrypt client in the manual mode. Automation is also possible (see below). We basically want to have a go-live process which runs the LetsEncrypt Win Simple manual command and then ensure that a IIS binding / cert is applied for that site. Using Let's Encrypt with IIS on Windows (big) problem though. I was unable to run Visual Studio on the localhost in debug ./letsencrypt-auto certonly --manual. not having a fixed procedure is the very point of manual mode. The important part of this is, that you need to have a specific URL display specific content. Let's Encrypt: The Manual Certificate. 2 May, 2016. Manual mode. If you have a loadbalancer or something else where you run the client NOT on theactual webserver, you can use the -a manual command line flag. You enter youremail and domain, then the program displays the following: How to obtain a LetsEncrypt wildcard certificate with certbot Introduction. Keep in mind that this is the manual process of responding to dns challen