The SYN request is the first part of the TCP three-way handshake we discussed, and the SYN-ACK response is the second. Most computers will generate the SYN-ACK response whether or not a service is ...

How many SYN packets without an ACK would it take to constitute a "flood". We're needing a definition to establish a threshold past which less technical folks can start sending out pages and such.

The procedure that takes place between two TCP/IP nodes to establish a connection. Known as the "SYN, SYN-ACK, ACK handshake," computer A transmits a SYNchronize packet to computer B, which sends ...

Now an attacker needs as little as 1/75th (in some cases) the amount of bandwidth from a volumetric standpoint, and because of quirks with some middlebox implementations, attackers get a SYN, ACK ...

What does SYN flood attack actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.