iCacti helps you to monitor servers – Mac, Linux, Windows – and your network devices – printer, router, switch – activity, status and uptime and display historical graphs about them. The application access your remote server or computer and natively displays graphical information on your desktop. It alerts you when any of the monitored hosts become unavailable or a server resource reach a threshold limit.
Fixed connection issues through HTTPS with self signed certificates.
Web-Basic and Built-In authentication can be used together (the credentials should be same).