This may sound stupid but in the linksys single port forwarding menu you need to enter the beginning and end of the port range you want to forward. xxx to xxx if it is a single port you would put the same number in both. Also you need to check the enable box.

See the attached image as an example


Attachments
250001-portforwarding.JPG (91 downloads)

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___ John Turner "It's easier to ask for forgiveness than to ask for permission"