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No FIN ACK to end stream

asked 2020-06-20 14:30:37 +0000

bobd gravatar image

Client app talking to SQL Server has multiple streams, some with proper FIN ACK handshake, others without. Is this just an abrupt end of the conversation, or should we expect the proper handshake?

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answered 2020-06-21 10:17:26 +0000

JasMan gravatar image

From the point of view of TCP the connection is still established as long as you see no FIN or RST flag, or until the connection timeout counts out.

If you see only a FIN flag from one site, the connection state of the sender is FIN_WAIT_1 and will not send data anymore.

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Asked: 2020-06-20 14:30:37 +0000

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Last updated: Jun 21 '20