1. DoS/syn_flood

https://en.wikipedia.org/wiki/SYN_flood

https://tools.ietf.org/html/rfc4987

Defenses Against TCP SYN Flooding Attacks - The Internet Protocol Journal - Volume 9, Number 4

http://www.cisco.com/c/en/us/about/press/internet-protocol-journal/back-issues/table-contents-34/syn-flooding-attacks.html

「バックスキャッタ」とは

バックスキャッタ