Probably one that said that ritad would have to get his Dad to get his router to allow LimeWire throgh the routers built in FireWall.
That's just an educated guess because a lot of routers do have built in FireWalls.
If I'm wrong... sorry to have lead you up the wrong path...
Next best advice is to read as many of the "Sticky" threads at the beginning of these forums as you have time to do.
They have information that is quite often written by the moderators of these forums and a lot of people have found the answer to their problems in these posts