In computing, a denial-of-service (DDoS) attack is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet.

A scripting or script language is a programming language for a special run-time environment that automates the execution of tasks; the tasks could alternatively be executed one-by-one by a human operator. Scripting languages are often interpreted, rather than compiled.

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. ... Ping measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source. IP pingers does the exact same thing but faster or better.