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To: Glenn D. Rudolph who wrote (29984)1/10/1998 11:36:00 PM
From: jach  Read Replies (1) | Respond to of 61433
 
<UDP(User Datagram Protocol)> is a connection-less packet protocol which is used heavily in internet traffic. TCP is the connection-oriented counter part of UDP, both at the transport layer using the IP protocol, the network layer. Connection-less basically means that a packet can be sent to the destination without having to establish a transport connection. One way of attacks is typically programming some code that take a bad formatted UDP packet and then ask the computer to send the packets to the desitination IP address and one of the UDP service ports of the server. In programming a simple version can be written in a few minutes.



To: Glenn D. Rudolph who wrote (29984)1/11/1998 5:21:00 AM
From: Bald Eagle  Read Replies (1) | Respond to of 61433
 
Briefly, it is just one way that packets can be formatted for transfer from one computer to another over a network. It is an alternative to TCP (Transmission Control Protocol). I believe that UDP does some self checking while TCP depends upon higher levels to check for correct data.
I would dig out my network class manual, but it's at my office and I'm home.


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