Issue

• RST is sent just after receiving first DUP ACK.

136   2.683544 10.253.4.120 -> 10.4.2.46    TCP 66 39835 > ftp-data [ACK] Seq=1 Ack=178561 Win=66560 Len=0 TSval=604853716 TSecr=3594973368
137   2.683978 10.253.4.120 -> 10.4.2.46    TCP 66 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853716 TSecr=3594973368
138   2.684004    10.4.2.46 -> 10.253.4.120 FTP-DATA 24634 [TCP Window Full] FTP Data: 24568 bytes
139   2.685698 10.253.4.120 -> 10.4.2.46    TCP 78 [TCP Dup ACK 137#1] 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853717 TSecr=3594973368 SLE=187249 SRE=188697
140   2.685715    10.4.2.46 -> 10.253.4.120 TCP 54 ftp-data > 39835 [RST] Seq=181457 Win=0 Len=0
141   2.686300 10.253.4.120 -> 10.4.2.46    TCP 78 [TCP Dup ACK 137#2] 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853717 TSecr=3594973368 SLE=187249 SRE=190145
142   2.686312    10.4.2.46 -> 10.253.4.120 TCP 54 ftp-data > 39835 [RST] Seq=181457 Win=0 Len=0
143   2.686319 10.253.4.120 -> 10.4.2.46    TCP 78 [TCP Dup ACK 137#3] 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853717 TSecr=3594973368 SLE=187249 SRE=191593
144   2.686323    10.4.2.46 -> 10.253.4.120 TCP 54 ftp-data > 39835 [RST] Seq=181457 Win=0 Len=0
145   2.686379 10.253.4.120 -> 10.4.2.46    TCP 78 [TCP Dup ACK 137#4] 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853717 TSecr=3594973368 SLE=187249 SRE=193041
...
221   2.693602 10.253.4.120 -> 10.4.2.46    TCP 78 [TCP Dup ACK 137#42] 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853717 TSecr=3594973368 SLE=187249 SRE=246617
222   2.693607    10.4.2.46 -> 10.253.4.120 TCP 54 ftp-data > 39835 [RST] Seq=181457 Win=0 Len=0
223   2.693832 10.253.4.120 -> 10.4.2.46    TCP 78 [TCP Dup ACK 137#43] 39835 > ftp-data [ACK] Seq=1 Ack=181457 Win=66560 Len=0 TSval=604853717 TSecr=3594973368 SLE=187249 SRE=248017
224   2.693842    10.4.2.46 -> 10.253.4.120 TCP 54 ftp-data > 39835 [RST] Seq=181457 Win=0 Len=0
225   2.717987 10.253.4.120 -> 10.4.2.46    TCP 60 39824 > scientia-ssdb [ACK] Seq=201 Ack=653 Win=5252 Len=0
226   2.896969    10.4.2.46 -> 10.253.4.120 FTP-DATA 1514 [TCP Retransmission] FTP Data: 1448 bytes
227   3.322909    10.4.2.46 -> 10.253.4.120 FTP-DATA 1514 [TCP Retransmission] FTP Data: 1448 bytes
228   4.175777    10.4.2.46 -> 10.253.4.120 FTP-DATA 1514 [TCP Retransmission] FTP Data: 1448 bytes
229   5.879531    10.4.2.46 -> 10.253.4.120 FTP-DATA 1514 [TCP Retransmission] FTP Data: 1448 bytes