Sounds like u were being port scanned, its commonly used by hackers to see if u have got any open ports that they can use to get into your system, but seeing as u had a firewall up and running I wouldn't worry too much.
On the UDP port front, just a note TCP and UDP are 2 separate protocols under the connection protocol of IP, so becarefull when looking up the port numbers as u can have 2 different (although unlikely) types of service running on TCP and UDP