Universidad Nacional de Luján
Departamento de Ciencias Básicas
Teleinformática y Redes
Captura: protocolo de correo SMTP
Envio de mail desde 170.210.96.100 a 170.210.96.6
De cuenta bordi a cuenta admnin con copia a jperi
======
Ethernet Header(1006465085.872210)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 44
Identification #: 34282
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 24274
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738050
Acknowledgement number: 0
Header length: 24
Reserved bits: 0
Flags: SYN
Window size: 8192
Checksum: 48455
Urgent pointer: 0
Options: Maximum segment size = 1460
======
Ethernet Header(1006465085.872806)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 44
Identification #: 64922
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26657
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229106688
Acknowledgement number: 2090738051
Header length: 24
Reserved bits: 0
Flags: SYN ACK
Window size: 17520
Checksum: 39912
Urgent pointer: 0
Options: Maximum segment size = 1460
======
Ethernet Header(1006465085.872930)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 40
Identification #: 34538
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 24022
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738051
Acknowledgement number: 2229106689
Header length: 20
Reserved bits: 0
Flags: ACK
Window size: 8760
Checksum: 54749
Urgent pointer: 0
Options: none
======
Ethernet Header(1006465085.873552)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 120
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 102
Identification #: 64923
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26598
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229106689
Acknowledgement number: 2090738051
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 18674
Urgent pointer: 0
Options: none
------
32 32 30 20 6D 61 69 6C 2E 75 6E 6C 75 2E 65 64 220 mail.unlu.ed
75 2E 61 72 20 72 75 6E 6E 69 6E 67 20 45 75 64 u.ar running Eud
6F 72 61 20 49 6E 74 65 72 6E 65 74 20 4D 61 69 ora Internet Mai
6C 20 53 65 72 76 65 72 20 32 2E 32 0D 0A l Server 2.2..
======
Ethernet Header(1006465085.904399)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 79
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 61
Identification #: 34794
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 23745
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738051
Acknowledgement number: 2229106751
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8698
Checksum: 48576
Urgent pointer: 0
Options: none
------
45 48 4C 4F 20 31 37 30 2E 32 31 30 2E 39 36 2E EHLO 170.210.96.
31 30 30 0D 0A 100..
======
Ethernet Header(1006465085.905244)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 263
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 245
Identification #: 64924
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26454
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229106751
Acknowledgement number: 2090738072
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 26280
Urgent pointer: 0
Options: none
------
32 35 30 2D 6D 61 69 6C 2E 75 6E 6C 75 2E 65 64 250-mail.unlu.ed
75 2E 61 72 20 68 65 6C 6C 6F 20 31 37 30 2E 32 u.ar hello 170.2
31 30 2E 39 36 2E 31 30 30 20 28 31 37 30 2E 32 10.96.100 (170.2
31 30 2E 39 36 2E 31 30 30 29 0D 0A 32 35 30 2D 10.96.100)..250-
45 58 50 4E 0D 0A 32 35 30 2D 50 49 50 45 4C 49 EXPN..250-PIPELI
4E 49 4E 47 0D 0A 32 35 30 2D 38 42 49 54 4D 49 NING..250-8BITMI
4D 45 0D 0A 32 35 30 2D 42 49 4E 41 52 59 4D 49 ME..250-BINARYMI
4D 45 0D 0A 32 35 30 2D 43 48 55 4E 4B 49 4E 47 ME..250-CHUNKING
0D 0A 32 35 30 2D 45 4E 48 41 4E 43 45 44 53 54 ..250-ENHANCEDST
41 54 55 53 43 4F 44 45 53 0D 0A 32 35 30 2D 45 ATUSCODES..250-E
54 52 4E 0D 0A 32 35 30 2D 41 55 54 48 20 43 52 TRN..250-AUTH CR
41 4D 2D 4D 44 35 0D 0A 32 35 30 20 53 49 5A 45 AM-MD5..250 SIZE
20 32 31 34 37 34 38 33 36 34 37 0D 0A 2147483647..
======
Ethernet Header(1006465085.907835)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 89
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 71
Identification #: 35050
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 23479
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738072
Acknowledgement number: 2229106956
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8493
Checksum: 50915
Urgent pointer: 0
Options: none
------
4D 41 49 4C 20 46 52 4F 4D 3A 3C 62 6F 72 64 69 MAIL FROM:..
======
Ethernet Header(1006465085.911083)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 79
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 61
Identification #: 64925
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26637
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229106956
Acknowledgement number: 2090738103
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 64222
Urgent pointer: 0
Options: none
------
32 35 30 20 32 2E 31 2E 35 20 73 65 6E 64 65 72 250 2.1.5 sender
20 4F 4B 0D 0A OK..
======
Ethernet Header(1006465085.911557)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 88
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 70
Identification #: 35306
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 23224
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738103
Acknowledgement number: 2229106977
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8472
Checksum: 11895
Urgent pointer: 0
Options: none
------
52 43 50 54 20 54 4F 3A 3C 61 64 6D 6E 6F 63 40 RCPT TO:..
======
Ethernet Header(1006465085.919931)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 99
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 81
Identification #: 64926
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26616
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229106977
Acknowledgement number: 2090738133
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 7577
Urgent pointer: 0
Options: none
------
32 35 30 20 32 2E 31 2E 35 20 75 73 65 72 20 61 250 2.1.5 user a
64 6D 6E 6F 63 40 75 6E 6C 75 2E 65 64 75 2E 61 .a
72 20 6B 6E 6F 77 6E 0D 0A r known..
======
Ethernet Header(1006465085.920208)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 87
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 69
Identification #: 35562
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 22969
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738133
Acknowledgement number: 2229107018
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8431
Checksum: 64484
Urgent pointer: 0
Options: none
------
52 43 50 54 20 54 4F 3A 3C 6A 70 65 72 69 40 75 RCPT TO:..
======
Ethernet Header(1006465085.925366)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 98
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 80
Identification #: 64927
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26616
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229107018
Acknowledgement number: 2090738162
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 25956
Urgent pointer: 0
Options: none
------
32 35 30 20 32 2E 31 2E 35 20 75 73 65 72 20 6A 250 2.1.5 user j
70 65 72 69 40 75 6E 6C 75 2E 65 64 75 2E 61 72
20 6B 6E 6F 77 6E 0D 0A known..
======
Ethernet Header(1006465085.925915)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 46
Identification #: 35818
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 22736
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738162
Acknowledgement number: 2229107058
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8391
Checksum: 12244
Urgent pointer: 0
Options: none
------
44 41 54 41 0D 0A DATA..
======
Ethernet Header(1006465085.926527)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 81
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 63
Identification #: 64928
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26632
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229107058
Acknowledgement number: 2090738168
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 46372
Urgent pointer: 0
Options: none
------
33 35 34 20 73 65 6E 64 20 79 6F 75 72 20 6D 65 354 send your me
73 73 61 67 65 0D 0A ssage..
======
Ethernet Header(1006465085.929680)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 757
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 739
Identification #: 36074
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 21787
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738168
Acknowledgement number: 2229107081
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8368
Checksum: 31209
Urgent pointer: 0
Options: none
------
44 61 74 65 3A 20 54 68 75 2C 20 32 32 20 4E 6F Date: Thu, 22 No
76 20 32 30 30 31 20 31 38 3A 34 37 3A 30 38 20 v 2001 18:47:08
2D 30 33 30 30 0D 0A 46 72 6F 6D 3A 20 62 6F 72 -0300..From: bor
64 69 20 3C 62 6F 72 64 69 40 75 6E 6C 75 2E 65 di ..X-Mailer
3A 20 54 68 65 20 42 61 74 21 20 28 76 31 2E 35 : The Bat! (v1.5
33 64 29 0D 0A 52 65 70 6C 79 2D 54 6F 3A 20 62 3d)..Reply-To: b
6F 72 64 69 20 3C 62 6F 72 64 69 40 75 6E 6C 75 ordi ..Organi
7A 61 74 69 6F 6E 3A 20 44 47 53 20 2D 55 4E 4C zation: DGS -UNL
75 0D 0A 58 2D 50 72 69 6F 72 69 74 79 3A 20 33 u..X-Priority: 3
20 28 4E 6F 72 6D 61 6C 29 0D 0A 4D 65 73 73 61 (Normal)..Messa
67 65 2D 49 44 3A 20 3C 31 30 37 32 30 39 30 36 ge-ID: ..To: admnoc@un
6C 75 2E 65 64 75 2E 61 72 0D 0A 43 43 3A 20 6A lu.edu.ar..CC: j
70 65 72 69 40 75 6E 6C 75 2E 65 64 75 2E 61 72
0D 0A 53 75 62 6A 65 63 74 3A 20 3D 3F 49 53 4F ..Subject: =?ISO
2D 38 38 35 39 2D 31 3F 42 3F 55 47 56 6B 61 57 -8859-1?B?UGVkaW
52 76 49 47 52 6C 49 47 52 70 63 6D 56 6A 59 32 RvIGRlIGRpcmVjY2
6E 7A 62 69 42 4A 55 41 3D 3D 3F 3D 0D 0A 4D 49 nzbiBJUA==?=..MI
4D 45 2D 56 65 72 73 69 6F 6E 3A 20 31 2E 30 0D ME-Version: 1.0.
0A 43 6F 6E 74 65 6E 74 2D 54 79 70 65 3A 20 74 .Content-Type: t
65 78 74 2F 70 6C 61 69 6E 3B 20 63 68 61 72 73 ext/plain; chars
65 74 3D 49 53 4F 2D 38 38 35 39 2D 31 0D 0A 43 et=ISO-8859-1..C
6F 6E 74 65 6E 74 2D 54 72 61 6E 73 66 65 72 2D ontent-Transfer-
45 6E 63 6F 64 69 6E 67 3A 20 38 62 69 74 0D 0A Encoding: 8bit..
0D 0A 45 73 74 69 6D 61 64 6F 20 61 64 6D 6E 6F ..Estimado admno
63 2C 0D 0A 0D 0A 4C 65 20 72 65 63 75 65 72 64 c,....Le recuerd
6F 20 71 75 65 20 64 65 62 65 20 65 6E 76 69 61 o que debe envia
72 20 75 6E 20 61 67 65 6E 74 65 20 61 6C 20 44 r un agente al D
65 70 61 72 74 61 6D 65 6E 74 6F 20 64 65 20 46 epartamento de F
ED 73 69 63 61 20 61 0D 0A 63 6F 6E 66 69 67 75 .sica a..configu
72 61 72 20 65 6C 20 6E 75 65 76 6F 20 63 6F 6D rar el nuevo com
70 75 74 61 64 6F 72 20 72 65 63 69 65 6E 74 65 putador reciente
6D 65 6E 74 65 20 61 64 71 75 69 72 69 64 6F 2E mente adquirido.
0D 0A 0D 0A 47 72 61 63 69 61 73 0D 0A 0D 0A 0D ....Gracias.....
0A 2D 2D 20 0D 0A 53 61 6C 75 64 6F 73 2C 0D 0A .-- ..Saludos,..
20 46 65 72 6E 61 6E 64 6F 20 62 6F 72 64 69 67 Fernando bordig
6E 6F 6E 20 20 20 20 20 20 20 20 20 20 20 20 20 non
20 20 20 20 20 20 20 20 20 20 20 20 6D 61 69 6C mail
74 6F 3A 62 6F 72 64 69 40 75 6E 6C 75 2E 65 64 to:
75 2E 61 72 0D 0A 0D 0A 2E 0D 0A u.ar......
======
Ethernet Header(1006465085.957856)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 89
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 71
Identification #: 64929
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26623
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229107081
Acknowledgement number: 2090738867
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 63633
Urgent pointer: 0
Options: none
------
32 35 30 20 32 2E 30 2E 30 20 6D 65 73 73 61 67 250 2.0.0 messag
65 20 72 65 63 65 69 76 65 64 20 4F 4B 0D 0A e received OK..
======
Ethernet Header(1006465086.105906)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 40
Identification #: 36330
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 22230
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738867
Acknowledgement number: 2229107112
Header length: 20
Reserved bits: 0
Flags: ACK
Window size: 8337
Checksum: 53933
Urgent pointer: 0
Options: none
======
Ethernet Header(1006465086.287775)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 46
Identification #: 36586
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 21968
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738867
Acknowledgement number: 2229107112
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 8337
Checksum: 10988
Urgent pointer: 0
Options: none
------
51 55 49 54 0D 0A QUIT..
======
Ethernet Header(1006465086.288243)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 105
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 87
Identification #: 64930
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26606
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229107112
Acknowledgement number: 2090738873
Header length: 20
Reserved bits: 0
Flags: PSH ACK
Window size: 17520
Checksum: 57875
Urgent pointer: 0
Options: none
------
32 32 31 20 32 2E 30 2E 30 20 6D 61 69 6C 2E 75 221 2.0.0 mail.u
6E 6C 75 2E 65 64 75 2E 61 72 20 63 6C 6F 73 69 nlu.edu.ar closi
6E 67 20 63 6F 6E 6E 65 63 74 69 6F 6E 0D 0A ng connection..
======
Ethernet Header(1006465086.288302)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 40
Identification #: 64931
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26652
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229107159
Acknowledgement number: 2090738873
Header length: 20
Reserved bits: 0
Flags: FIN ACK
Window size: 17520
Checksum: 44696
Urgent pointer: 0
Options: none
======
Ethernet Header(1006465086.288423)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 40
Identification #: 36842
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 21718
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738873
Acknowledgement number: 2229107160
Header length: 20
Reserved bits: 0
Flags: ACK
Window size: 8290
Checksum: 53926
Urgent pointer: 0
Options: none
======
Ethernet Header(1006465086.567234)
------
Hardware source: 0:50:ba:87:36:18
Hardware destination: 0:0:c5:47:5d:7f
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 40
Identification #: 37098
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 128
Protocol: 6
Header checksum: 21462
Source address 170.210.96.100
Destination address 170.210.96.6
------
TCP Header
------
Source port: 1686
Destination port: 25 (smtp)
Sequence number: 2090738873
Acknowledgement number: 2229107160
Header length: 20
Reserved bits: 0
Flags: FIN ACK
Window size: 8290
Checksum: 53925
Urgent pointer: 0
Options: none
======
Ethernet Header(1006465086.567539)
------
Hardware source: 0:0:c5:47:5d:7f
Hardware destination: 0:50:ba:87:36:18
Protocol type: 800H (ip)
Length: 64
------
IP Header
------
Version: 4
Header length: 20
Type of service: 0 (precedence=0, D=0, T=0, R=0, U=0)
Total length: 40
Identification #: 64932
Fragmentation offset: 0 (U=0, DF=1, MF=0)
Time to live: 255
Protocol: 6
Header checksum: 26651
Source address 170.210.96.6
Destination address 170.210.96.100
------
TCP Header
------
Source port: 25 (smtp)
Destination port: 1686
Sequence number: 2229107160
Acknowledgement number: 2090738874
Header length: 20
Reserved bits: 0
Flags: ACK
Window size: 17520
Checksum: 44695
Urgent pointer: 0
Options: none
1