I have the same issue and I have tried xxxxx.net/login. I get the error below.
I am not sure if this is the cause, but I was in the process of adding banned user agents when hell broke lose (copied from hackrepair.com, but perhaps using incorrect syntax as I copied from the "RAW" area) because I got a message that an Russian IP address was blocked due to too many attempts to access files that weren't there.
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, email@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
Apache Server at xxxx.net Port 80