Caddy Web Server - Unable to Obtain Certificates - Ports in Use

Dear all,
I am writing to you because I need your help on getting a certificate.
Best,
George

Please fill out the fields below so we can help you better.

I ran this command: caddy.exe -host mydomain.org

It produced this output: Activating privacy features…2017/05/17 16:16:55 [mydomain.org] fai
led to get certificate: acme: Error 403 - urn:acme:error:unauthorized - Invalid
response from http://mydomain.org/.well-known/acme-challenge/

My operating system is (include version): Windows 8

My web server is (include version):

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know):

I’m using a control panel to manage my site (no, or provide the name and version of the control panel):

Hi @gchrist,

This sounds like you have an existing web server and you are running Caddy on your local computer instead of on the web server. You need to run Caddy on the web server machine (in place of any server software that you’re already using, such as Apache or Nginx). As an alternative, you could run a Let’s Encrypt client like Certbot or acme.sh on the web server, or use a web-based client like https://www.zerossl.com/.

Hello,
Thank you very much for your reply!
The problem was the skype that was using the ports 80 and 443.
Best,
George

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