Differences for page SYN flag

Current version compared with version Thu Jul 15 06:52:40 GMT 2004

- One of the flags of a [TCP] packet. The SYN flag alone is used to start a new connection,
- or by attackers to perform a [SYN flood], a [SYN scan], and so on.+ The SYN\[chronize\] flag is the [TCP] packet flag that is used to initiate a TCP connection. A packet containing solely a SYN flag is the first part of the "[three-way handshake]" of TCP connection initiation. It is responded to with a [SYN-ACK] packet.
+ 
+ Packets setting the SYN flag can also be used to perform a [SYN flood] and a [SYN scan].

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