why tcp retrancimission continue after FIN flag received?
From: Chptx Young <hidden>
Date: 2014-05-15 03:52:56
hello,
these packtes were captured with tcpdump on Android/linux
3.4.39/10.180.43.211, linux
tries retransimissin (packet #35 ) after FIN (#32), any problem here?
No. Time Source Destination
Protocol Length Info
26 17.657176 10.180.43.211 10.0.0.172 TCP
1466 [TCP segment of a reassembled PDU]
27 37.630979 10.180.43.211 10.0.0.172 TCP
1466 [TCP Retransmission] [TCP segment of a reassembled PDU]
28 40.876444 10.0.0.172 10.180.43.211 TCP
56 http > 32921 [ACK] Seq=1 Ack=8687 Win=22560 Len=0
29 40.877060 10.180.43.211 10.0.0.172 TCP
1466 [TCP segment of a reassembled PDU]
30 40.877248 10.180.43.211 10.0.0.172 TCP
1466 [TCP segment of a reassembled PDU]
31 80.830941 10.180.43.211 10.0.0.172 TCP
1466 [TCP Retransmission] [TCP segment of a reassembled PDU]
32 82.723420 10.0.0.172 10.180.43.211 TCP
56 http > 32921 [FIN, ACK] Seq=1 Ack=8687 Win=22560 Len=0
33 82.725760 10.180.43.211 10.0.0.172 TCP
56 32921 > http [ACK] Seq=15737 Ack=2 Win=14600 Len=0
34 83.536384 10.0.0.172 10.180.43.211 TCP
56 http > 32921 [RST] Seq=1 Win=0 Len=0
35 160.831079 10.180.43.211 10.0.0.172 TCP
1466 [TCP Retransmission] [TCP segment of a reassembled PDU]