You don't have permission to access this resource. (1 reply)

Hello ... my server works perfectly when I access from the browser http ://mydomaine.com and https ://mydomaine.com from the server, but when I access from another pc in the network I receive the answer from the post title (Forbidden You don 't have permission to access this resource) for https ://mydomaine.com. (http ://mydomaine.com also works from outside the server.
What setting I missed