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Continuous TCP Retransmission and connectivity problems

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666f6f   04-13-2009 at 01:09:19 PM

Hello all,

Occasionally I'm having problems with my network connection (I am behind a NAT). I have captured the traffic on port 80 while trying to open google.com page using tshark, and bellow is the output. Can anybody more experienced with network tell me what's happening here or point me at the right direction of investigation?

Thanks


Running as user "root" and group "root". This could be dangerous.
Capturing on eth0
0.000000 172.16.11.251 -> 212.58.226.139 TCP 40679 > http [FIN, ACK] Seq=1 Ack=1 Win=46 Len=0 TSV=198561 TSER=375382177
0.000014 172.16.11.251 -> 209.85.229.103 TCP 59432 > http [FIN, ACK] Seq=1 Ack=1 Win=167 Len=0 TSV=198561 TSER=3329814094
1.459620 172.16.11.251 -> 209.85.229.103 HTTP GET / HTTP/1.1
1.537958 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.537998 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=553 Ack=355 Win=144 Len=0 TSV=198945 TSER=150015155
1.539816 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.539831 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=553 Ack=1773 Win=167 Len=0 TSV=198945 TSER=150015155
1.540369 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.540384 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=553 Ack=3191 Win=189 Len=0 TSV=198946 TSER=150015155
1.540392 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 200 OK (text/html)
1.540397 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=553 Ack=3214 Win=189 Len=0 TSV=198946 TSER=150015156
1.558960 172.16.11.251 -> 209.85.229.103 HTTP GET /intl/fr_fr/images/logo.gif HTTP/1.1
1.614057 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.615480 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.615498 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=1256 Ack=4865 Win=234 Len=0 TSV=198964 TSER=150015232
1.616826 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.617801 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.617814 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=1256 Ack=7543 Win=279 Len=0 TSV=198965 TSER=150015232
1.618659 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.619797 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.619822 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=1256 Ack=10379 Win=324 Len=0 TSV=198965 TSER=150015232
1.623693 172.16.11.251 -> 209.85.229.103 TCP 59439 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=198966 TSER=0 WS=7
1.663366 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.663536 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 200 OK (GIF89a)
1.663555 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [ACK] Seq=1256 Ack=12313 Win=369 Len=0 TSV=198976 TSER=150015280
1.669564 209.85.229.103 -> 172.16.11.251 TCP http > 59439 [SYN, ACK] Seq=0 Ack=1 Win=5672 Len=0 MSS=1430 TSV=2730263635 TSER=198966 WS=6
1.669603 172.16.11.251 -> 209.85.229.103 TCP 59439 > http [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=198978 TSER=2730263635
1.669676 172.16.11.251 -> 209.85.229.103 HTTP GET /extern_js/f/CgJmchICZnIrMAo4DSwrMA44BSwrMBY4CSwrMBc4ASwrMBg4AywrMCU4yYgBLCswJjgELCswJzgALA/-cjy2HOMcTI.js HTTP/1.1
1.722621 209.85.229.103 -> 172.16.11.251 TCP http > 59439 [ACK] Seq=1 Ack=680 Win=7040 Len=0 TSV=2730263688 TSER=198978
1.750202 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
1.750232 172.16.11.251 -> 209.85.229.103 TCP 59439 > http [ACK] Seq=680 Ack=120 Win=5888 Len=0 TSV=198998 TSER=2730263716
1.762734 172.16.11.251 -> 209.85.229.100 HTTP GET /generate_204 HTTP/1.1
2.004156 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
2.491903 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
3.468890 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
5.420851 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
9.324170 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
17.131939 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
32.748878 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
44.296121 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842508109 TSER=194634
44.335870 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=209645 TSER=2842508109
44.548879 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842508362 TSER=194634
44.548914 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 41#1] 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=209698 TSER=2842508362 SLE=1 SRE=2
44.886448 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650647327 TSER=194781
44.886674 172.16.11.251 -> 209.85.229.100 TCP 46899 > http [FIN, ACK] Seq=646 Ack=2 Win=46 Len=0 TSV=209782 TSER=2650647327
44.886895 172.16.11.251 -> 209.85.229.100 TCP 46901 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=209782 TSER=0 WS=7
44.941911 209.85.229.100 -> 172.16.11.251 TCP http > 46901 [SYN, ACK] Seq=0 Ack=1 Win=5672 Len=0 MSS=1430 TSV=3329980117 TSER=209782 WS=6
44.941969 172.16.11.251 -> 209.85.229.100 TCP 46901 > http [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=209796 TSER=3329980117
44.942063 172.16.11.251 -> 209.85.229.100 HTTP GET /generate_204 HTTP/1.1
44.994898 209.85.229.100 -> 172.16.11.251 TCP http > 46901 [ACK] Seq=1 Ack=646 Win=6976 Len=0 TSV=3329980170 TSER=209796
44.997216 209.85.229.100 -> 172.16.11.251 HTTP HTTP/1.1 204 No Content
44.997247 172.16.11.251 -> 209.85.229.100 TCP 46901 > http [ACK] Seq=646 Ack=126 Win=5888 Len=0 TSV=209810 TSER=3329980170
45.007207 172.16.11.251 -> 209.85.229.103 HTTP GET /images/nav_logo4.png HTTP/1.1
45.051570 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842508865 TSER=194634
45.051610 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 41#2] 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=209823 TSER=2842508865 SLE=1 SRE=2
45.132020 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650647573 TSER=194781
45.132060 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#1] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=209844 TSER=2650647573 SLE=1 SRE=2
45.259922 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
45.623458 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650648065 TSER=194781
45.623514 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#2] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=209966 TSER=2650648065 SLE=1 SRE=2
45.771936 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
46.069214 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842509882 TSER=194634
46.069294 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 41#3] 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=210078 TSER=2842509882 SLE=1 SRE=2
46.366449 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650648807 TSER=194781
46.366508 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#3] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=210152 TSER=2650648807 SLE=1 SRE=2
46.796905 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
47.572440 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842511385 TSER=194634
47.572491 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 41#4] 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=210454 TSER=2842511385 SLE=1 SRE=2
47.607975 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650650049 TSER=194781
47.608037 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#4] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=210463 TSER=2650650049 SLE=1 SRE=2
48.843935 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
49.349395 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650651791 TSER=194781
49.349430 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#5] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=210898 TSER=2650651791 SLE=1 SRE=2
49.575608 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842513389 TSER=194634
49.575662 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 41#5] 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=210954 TSER=2842513389 SLE=1 SRE=2
51.592422 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650654033 TSER=194781
51.592472 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#6] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=211459 TSER=2650654033 SLE=1 SRE=2
52.940927 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
53.582501 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842517395 TSER=194634
53.582553 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 41#6] 59436 > http [ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=211956 TSER=2842517395 SLE=1 SRE=2
56.077708 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650658517 TSER=194781
56.077768 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 45#7] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=212580 TSER=2650658517 SLE=1 SRE=2
58.956422 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=213300 TSER=2842517395
59.208293 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=213363 TSER=2842517395
59.712870 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=213489 TSER=2842517395
60.720253 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=213741 TSER=2842517395
61.131872 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
61.595433 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842525407 TSER=194634
61.595488 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 86#1] 59436 > http [ACK] Seq=2 Ack=2 Win=63 Len=0 TSV=213959 TSER=2842525407 SLE=1 SRE=2
61.625805 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150075239 TSER=198976
61.626072 172.16.11.251 -> 209.85.229.103 TCP 59437 > http [FIN, ACK] Seq=1880 Ack=12314 Win=369 Len=0 TSV=213967 TSER=150075239
61.626180 172.16.11.251 -> 209.85.229.103 HTTP GET /images/nav_logo4.png HTTP/1.1
61.759392 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
61.759647 172.16.11.251 -> 209.85.229.103 TCP 59439 > http [FIN, ACK] Seq=1304 Ack=121 Win=5888 Len=0 TSV=214000 TSER=2730323720
61.760335 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=214001 TSER=0 WS=7
61.806343 209.85.229.103 -> 172.16.11.251 TCP http > 59441 [SYN, ACK] Seq=0 Ack=1 Win=5672 Len=0 MSS=1430 TSV=2170441354 TSER=214001 WS=6
61.806401 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=214012 TSER=2170441354
61.806601 172.16.11.251 -> 209.85.229.103 HTTP GET /images/nav_logo4.png HTTP/1.1
61.858465 209.85.229.103 -> 172.16.11.251 TCP http > 59441 [ACK] Seq=1 Ack=625 Win=6976 Len=0 TSV=2170441407 TSER=214012
61.872935 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
61.876372 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150075490 TSER=198976
61.876425 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 91#1] 59437 > http [ACK] Seq=1881 Ack=12314 Win=369 Len=0 TSV=214029 TSER=150075490 SLE=12313 SRE=12314
61.913555 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.913604 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=234 Win=6912 Len=0 TSV=214039 TSER=2170441461
61.915621 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.915671 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=1652 Win=9856 Len=0 TSV=214039 TSER=2170441461
61.916260 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.916311 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=3070 Win=12800 Len=0 TSV=214040 TSER=2170441461
61.918274 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.918301 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=4330 Win=15616 Len=0 TSV=214040 TSER=2170441461
61.960801 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.960850 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=5748 Win=18560 Len=0 TSV=214051 TSER=2170441506
61.961706 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.961738 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=7146 Win=21376 Len=0 TSV=214051 TSER=2170441506
61.961751 209.85.229.103 -> 172.16.11.251 TCP [TCP segment of a reassembled PDU]
61.961762 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=7166 Win=21376 Len=0 TSV=214051 TSER=2170441509
61.963888 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 200 OK (PNG)
61.963947 172.16.11.251 -> 209.85.229.103 TCP 59441 > http [ACK] Seq=625 Ack=7355 Win=24192 Len=0 TSV=214052 TSER=2170441509
62.008449 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
62.008505 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 100#1] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=214063 TSER=2730323969 SLE=120 SRE=121
62.367947 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
62.377920 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150075991 TSER=198976
62.377977 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 91#2] 59437 > http [ACK] Seq=1881 Ack=12314 Win=369 Len=0 TSV=214155 TSER=150075991 SLE=12313 SRE=12314
62.505567 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
62.505622 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 121#1] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=214187 TSER=2730324467 SLE=120 SRE=121
62.736878 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=214245 TSER=2842525407
63.254084 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
63.254150 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 121#2] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=214374 TSER=2730325215 SLE=120 SRE=121
63.360851 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
63.379494 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150076992 TSER=198976
63.379524 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 91#3] 59437 > http [ACK] Seq=1881 Ack=12314 Win=369 Len=0 TSV=214405 TSER=150076992 SLE=12313 SRE=12314
63.979916 172.16.11.251 -> 209.85.229.100 HTTP [TCP Retransmission] GET /generate_204 HTTP/1.1
64.503058 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
64.503114 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 129#1] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=214686 TSER=2730326463 SLE=120 SRE=121
64.880730 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150078493 TSER=198976
64.880785 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 91#4] 59437 > http [ACK] Seq=1881 Ack=12314 Win=369 Len=0 TSV=214781 TSER=150078493 SLE=12313 SRE=12314
65.044191 209.85.229.100 -> 172.16.11.251 TCP http > 46899 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2650667485 TSER=194781
65.044253 172.16.11.251 -> 209.85.229.100 TCP [TCP Dup ACK 132#1] 46899 > http [ACK] Seq=647 Ack=2 Win=46 Len=0 TSV=214822 TSER=2650667485 SLE=1 SRE=2
65.343929 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
66.249905 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
66.249943 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 139#1] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=215123 TSER=2730328211 SLE=120 SRE=121
66.768876 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=215253 TSER=2842525407
66.881445 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150080494 TSER=198976
66.881504 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 91#5] 59437 > http [ACK] Seq=1881 Ack=12314 Win=369 Len=0 TSV=215281 TSER=150080494 SLE=12313 SRE=12314
68.498955 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
68.499009 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 139#2] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=215685 TSER=2730330459 SLE=120 SRE=121
69.312449 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
70.883743 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [FIN, ACK] Seq=12313 Ack=1256 Win=167 Len=0 TSV=150084496 TSER=198976
70.883802 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 91#6] 59437 > http [ACK] Seq=1881 Ack=12314 Win=369 Len=0 TSV=216281 TSER=150084496 SLE=12313 SRE=12314
72.994415 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
72.994449 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 147#1] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=216809 TSER=2730334955 SLE=120 SRE=121
74.832847 172.16.11.251 -> 209.85.229.103 TCP 59436 > http [FIN, ACK] Seq=1 Ack=2 Win=63 Len=0 TSV=217269 TSER=2842525407
77.248855 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
77.517034 172.16.11.251 -> 209.85.229.103 HTTP [TCP Retransmission] GET /images/nav_logo4.png HTTP/1.1
77.568892 209.85.229.103 -> 172.16.11.251 TCP http > 59437 [RST] Seq=12314 Win=0 Len=0
77.621064 209.85.229.103 -> 172.16.11.251 TCP http > 59436 [FIN, ACK] Seq=1 Ack=1 Win=108 Len=0 TSV=2842541431 TSER=194634
77.621122 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 152#1] 59436 > http [ACK] Seq=2 Ack=2 Win=63 Len=0 TSV=217966 TSER=2842541431 SLE=1 SRE=2
81.988244 209.85.229.103 -> 172.16.11.251 HTTP HTTP/1.1 304 Not Modified
81.988297 172.16.11.251 -> 209.85.229.103 TCP [TCP Dup ACK 153#1] 59439 > http [ACK] Seq=1305 Ack=121 Win=5888 Len=0 TSV=219058 TSER=2730343947 SLE=120 SRE=121
159 packets captured

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