Dropped packets

I love the little snapgear router that I have.  Over the weekend I had some free time so I was cleaning up some issues with my linux server and I discovered that I could export the log from the snapgear to the linux box.  Now I get daily reports of the dropped packets.
By far the most common packets are udp packets directed at 1026.  This is apparently related to MSN messenger.  Apparently the source of udp packets are very easy to spoof so I didn’t bother trying to locate any of them. The other one that I just started seeing in quantity are tcp packets to 7212.  This is a port used by limewire and related p2p networks.  Apparently most of these actually originate in China but for me I found one in Australia and one in South Korea.