diff options
| -rw-r--r-- | pkg/tcpip/transport/tcp/rcv.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/tcpip/transport/tcp/rcv.go b/pkg/tcpip/transport/tcp/rcv.go index a5c82b8fa..bc6793fc6 100644 --- a/pkg/tcpip/transport/tcp/rcv.go +++ b/pkg/tcpip/transport/tcp/rcv.go @@ -260,7 +260,7 @@ func (r *receiver) consumeSegment(s *segment, segSeq seqnum.Value, segLen seqnum case StateEstablished: r.ep.setEndpointState(StateCloseWait) case StateFinWait1: - if s.flagIsSet(header.TCPFlagAck) { + if s.flagIsSet(header.TCPFlagAck) && s.ackNumber == r.ep.snd.sndNxt { // FIN-ACK, transition to TIME-WAIT. r.ep.setEndpointState(StateTimeWait) } else { |