You do not have to DMZ your machine IP, just forward this port number in that machine in the router "Application & Gaming" tab. " D; R. F3 F. A' c! {- z. Z$ o5 M ]7 S5 @
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If your home machine is a linux box, you can forward your port 22 in your router and using SSH to tunnel VNC. + c- g' T; d6 c+ c' T http://members.shaw.ca/nicholas.fong/vnc/ : h7 m* t1 R( E' N" P+ t1 h0 j; R, v6 [+ D# I+ T) Y
Not sure how to do that in Windows, I remember need to turn on remote desktop. function.