Are they secure? RealVNC, TightVNC, UltraVNC
My only concern with the VNC products is their security when used over the Internet. If I put a good password on them and open the port to the VNC server in the router, is it difficult to hack? Or should I require a VPN connection first then the use of VNC? Obviously adding the VPN is more secure, but is VNC alone secure enough?
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