UltraVNC

ISA has a software client sometimes loaded onto workstations. It was required in earlier versions, the recent ones have it as optional, so most administrators probably don't bother with it. I believe that loading the client software on the relevant workstation sometimes helps getting some Internet ...

Authentication is built into the VNC server rather than the Repeater. UltraVNC requires that you create a password for each VNC server. See http://uvnc.com/features/authentication.html

If you always use UltraVNC, you can do much better though - use a plugin to encrypt communication from the ...

The biggest drawback with the SC design is that it still gets blocked by proxied connections. I have clients behind corporate firewalls that proxy all traffic - which is not a problem for systems that use HTTP or SSL for communication (e.g. GoToAssist).
The UltraVNC project has most of the ...