I would make a simple proxy program to receive the UDP datagrams, buffer them for a variable amount of time (or drop them), then forward them to the real server. Such a program is fairly simple to ...

Using current broadcast technology, most nitrogen is lost to the air and water, and rice plants actually use only one bag of urea in three. Urea deep placement (UDP) puts nitrogen near rice roots so ...

Try ZoneAlarm, it's a free personal firewall and logs all incoming requests as well as the originating IP (ICMP & UDP) as well as providing some protection for you.