Electronic Commerce (Charles River Media Networking/Security)

User Datagram Protocol; a protocol defining a connectionless, unreliable transport-layer service between applications on the Internet.

All transactions must be settled before any money changes hands. Please note that authorization transactions are not captured until they are completed by a delayed capture transaction.

The sending of files from your local hard drive to another computer over a network.

Uniform Resource Locator; a protocol for defining the exact location of a World Wide Web resource, and for identifying the method of access, the host on which it resides, and the path and filename of the resource.