Glossary: TCP/IP in Depth, Part 2
FIN-WAIT-1, FIN-WAIT-2
Also written: FIN-WAIT-1, FIN-WAIT-2
TCP states of the side that sent the first FIN. In FIN-WAIT-1 it waits for that FIN to be acknowledged; in FIN-WAIT-2 it has been, and the side waits for the other side's FIN.