When the web page (or another resource) you’re trying to open in your web browser is a resource that you’re not permitted to access, you’ll get a 403 Forbidden Error. The HTTP status code used by the webserver to represent that type of mistake is 403, thus it’s termed a 403 error. This error occurs mostly in two cases. The first is that the web server’s owners have correctly configured access rights, and you are not permitted to access the resource. The second explanation is that the web server’s owners have set permissions incorrectly, and you’re being refused access when you shouldn’t be.