User:Orlylif1/sandbox

on February 28, 2018 a record-breaking, 1.35 TB per second Memcached reflection denial-of-service attack (DDoS attack) targeted the code repository GitHub, using Memcached servers. (1) The attack caused GitHub.com to be unavailable from 17:21 to 17:26 UTC and intermittently unavailable from 17:26 to 17:30 UTC, Akamai's Prolexic platform was able to mitigate the attack by filtering all traffic sourced from UDP port 11211, the default port used by Memcached. (2) Memcached is a database caching system for speeding up websites and networks. Memcached is using UDP protocol that allows the server to be queried for information without first getting what’s known as a handshake. A Memcached reflection denial-of-service attack (DDoS attack) occurs by sending spoofed requests to a vulnerable server, which then responds with a larger amount of data than the initial request, magnifying the volume of traffic. The targeted server or its surrounding infrastructure is unable to process the large amount of data sent from the Memcached server, resulting in overload and denial-of-service to legitimate requests.