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reset flag (RST)

The reset flag (RST) is a bit indicator in the control flag field of the TCP header. A set flag indicates that the sender wants to terminate the connection.

Reset flag in the TCP header

Reset flag in the TCP header

The TCP protocol then informs the application about the termination of the connection. After the connection has been terminated, the connection remains in a " Time Wait" state for twice the lifetime of the segment.

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Englisch: reset flag - RST
Updated at: 22.10.2016
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