How to use let's encrypt on application without apache server?

Hi all,

I have installed an application written in c#, the application use port 8080. The application not needed to Apache server to work, just run the application and access to it using localhost:8080. I run it on linux (debian 10). I point a domain to my vps. But while i installing certbot i got this message:
Input the webroot for
and i don’t know what to do with it.

1 Like

Hi @Obada

if you want to create a certificate, you must validate your domain name.


If you want to use http validation, a running webserver + port 80 is required.


  • create one and use it
  • use --standalone
  • switch to dns validation

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