My computer has been attacked?

Imported from my original Blogspot archive (2007–2010). Posts are preserved as originally written, including language, formatting, and mistakes.

My firewall alert me that my computer often received from the IP 66.117.5.* and 66.180.205.* of the UDP data packets, whether it be attacked?

UDP data packets from 66.180.205.*
Reciber Port:23732
Sender Port:4679

UDP data packets from 66.117.5.*
Reciber Port:23732
Sender Port:4679

Answered by Codetrinis:

Don't worry, your computer is protected by firewall and receiving only some of those warning of potential virus scan your computer.