In computing, a denial-of-service ( DoS) attack is an attempt to make a machine or network resource unavailable to its intended users, such as to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet. A distributed denial-of-service ( DDoS) is where the attack source is more than one–and often thousands of-unique IP addresses.
UUCP is an abbreviation of Unix-to-Unix Copy. The term generally refers to a suite of and protocol allowing remote execution of commands and transfer of file, email and netnews between .
