Information, Computer and Network Security Terms Glossary and Dictionary

3-way handshake

 

3-way handshake is a process used to establish a TCP connection. Basically, machine A sends a packet with a SYN flag set to Machine B. B acknowledges A's SYN with a SYN/ACK. Machine A then acknowledges B's SYN/ACK with an ACK.

Related Terms

3-way handshake