It is not possible to create a “Remote desktop connection†directly to your PC from outside. But with a few in between steps you can
It is possible to connect from the outside to the server "lilo". If you are connected to the server lilo you can connect to the server "felix-control" via a Tunnel. Connected with "felix-control" you can connect via a Tunnnel to your PC and then make a remote desktop connection.
PuTTY Configuration Host Name: lilo.science.ru.nl Port: 22
Tunnels (port forwarding) Source port: 2222 (localhost) Destination: felix-control:22
login and lookup the ip-addres of your PC with the command ethergids
Open on puTTY a "new session" puTTY Configuration (felix-control on port 2222) Host Name: localhost Port: 2222
Tunnels (port forwarding) Source port: 3390 (localhost) Destination: "PC_ip-addres":3389
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