TCP Connection Teardown
Each direction closes independently with its own FIN/ACK exchange, so one side can keep sending after the other finishes. The side that closes first waits in TIME_WAIT (~2x maximum segment lifetime) so stray old segments cannot corrupt a new connection reusing the same ports.
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Each direction closes independently with its own FIN/ACK exchange, so one side can keep sending after the other finishes. The side that closes first waits in TIME_WAIT (~2x maximum segment lifetime) so stray old segments cannot corrupt a new connection reusing the same ports.
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