Code:
2013-05-18 15:26:41.741035 IP XXX.XXX.XXX.XXX.54972 > 205.210.186.235.80: Flags [S], seq 4147817431, win 65535, options [mss 1460,nop,wscale 3,nop,nop,TS val 571005325 ecr 0,sackOK,eol], length 0
2013-05-18 15:26:41.793904 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [S.], seq 14144562, ack 4147817432, win 8000, options [mss 1460], length 0
2013-05-18 15:26:41.795412 IP XXX.XXX.XXX.XXX.54972 > 205.210.186.235.80: Flags [.], ack 1, win 65535, length 0
2013-05-18 15:26:41.797641 IP XXX.XXX.XXX.XXX.54972 > 205.210.186.235.80: Flags [P.], seq 1:1137, ack 1, win 65535, length 1136
2013-05-18 15:26:41.867327 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [.], ack 1137, win 16338, length 0
2013-05-18 15:26:42.675978 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [P.], seq 1:151, ack 1137, win 16338, length 150
2013-05-18 15:26:42.676185 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [F.], seq 151, ack 1137, win 16338, length 0
2013-05-18 15:26:42.676437 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [R.], seq 152, ack 1137, win 16338, length 0
2013-05-18 15:26:42.677949 IP XXX.XXX.XXX.XXX.54972 > 205.210.186.235.80: Flags [.], ack 151, win 65535, length 0
2013-05-18 15:26:42.678376 IP XXX.XXX.XXX.XXX.54972 > 205.210.186.235.80: Flags [F.], seq 1137, ack 151, win 65535, length 0
2013-05-18 15:26:42.678402 IP XXX.XXX.XXX.XXX.54972 > 205.210.186.235.80: Flags [F.], seq 1137, ack 152, win 65535, length 0
2013-05-18 15:26:42.812191 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [R], seq 14144713, win 0, length 0
2013-05-18 15:26:42.812262 IP XXX.XXX.XXX.XXX > 205.210.186.235: ICMP XXX.XXX.XXX.XXX tcp port 54972 unreachable, length 48
2013-05-18 15:26:42.814383 IP 205.210.186.235.80 > XXX.XXX.XXX.XXX.54972: Flags [R], seq 14144713, win 0, length 0
2013-05-18 15:26:42.814414 IP XXX.XXX.XXX.XXX > 205.210.186.235: ICMP XXX.XXX.XXX.XXX tcp port 54972 unreachable, length 48
My side did acknowledge the FIN request and the RST request, but the other side still tries to RST the connection, hence the logs entries. Here is the related section of my iptables:
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