SYN: Meaning (information, definition, explanation, facts)

SYN (synchronize) is a type of packet used by the Transmission Control Protocol (TCP) when initiating a new connection to sychronize the clocks on the two connecting computers.

A type of denial of service attack known as a SYN flood involves sending large numbers of SYN packets and ignoring the return, thereby forcing the server to keep track of a large number of half-open connections.

SYN FM is a community radio station in Melbourne.