Website is not loading. The following error appears:
A username and password are being requested by http://example.com. The site says: "level_15_or_view_access"
In front of the website is a Cisco router, which runs an internal webserver.
The management webserver on the Cisco router was enabled. This means the router itself responds to
http requests for a website rather than forwarding them to the Plesk's webserver.
Contact the system administrator to disable the Cisco webserver.