TCP/IP
08/02/2005
Christian CALECA
Suite de l'exemple de connexion...
Frame 11 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.4359
Time delta from previous packet: 0.008790 seconds
Frame Number: 11
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Source: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 40
Identification: 0x088e
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xafed (correct)
Source: gateway1.maison.mrs (192.168.0.250)
Destination: chris.maison.mrs (192.168.0.10)
Transmission Control Protocol, Src Port: pop3 (110), Dst Port: 1927 (1927)
Source port: pop3 (110)
Destination port: 1927 (1927)
Sequence number: 4089248916
Acknowledgement number: 3662573373
Header length: 20 bytes
Flags: 0x0010 (ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 0... = Push: Not set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 32120
Checksum: 0x6e34
Frame 12 (84 on wire, 84 captured)
Arrival Time: Oct 12, 2000 11:19:15.5350
Time delta from previous packet: 0.099119 seconds
Frame Number: 12
Packet Length: 84 bytes
Capture Length: 84 bytes
Ethernet II
Destination: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Source: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 70
Identification: 0x088f
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xafce (correct)
Source: gateway1.maison.mrs (192.168.0.250)
Destination: chris.maison.mrs (192.168.0.10)
Transmission Control Protocol, Src Port: pop3 (110), Dst Port: 1927 (1927)
Source port: pop3 (110)
Destination port: 1927 (1927)
Sequence number: 4089248916
Acknowledgement number: 3662573373
Header length: 20 bytes
Flags: 0x0018 (PSH, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 1... = Push: Set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 32120
Checksum: 0x8064
Post Office Protocol
Response: +OK
Response Arg: Mailbox open, 0 messages
Frame 13 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.5359
Time delta from previous packet: 0.000911 seconds
Frame Number: 13
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Source: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 46
Identification: 0x7628
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 128
Protocol: TCP (0x06)
Header checksum: 0x024d (correct)
Source: chris.maison.mrs (192.168.0.10)
Destination: gateway1.maison.mrs (192.168.0.250)
Transmission Control Protocol, Src Port: 1927 (1927), Dst Port: pop3 (110)
Source port: 1927 (1927)
Destination port: pop3 (110)
Sequence number: 3662573373
Acknowledgement number: 4089248946
Header length: 20 bytes
Flags: 0x0018 (PSH, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 1... = Push: Set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 17400
Checksum: 0x05d6
Post Office Protocol
Request: STAT
Frame 14 (63 on wire, 63 captured)
Arrival Time: Oct 12, 2000 11:19:15.5366
Time delta from previous packet: 0.000753 seconds
Frame Number: 14
Packet Length: 63 bytes
Capture Length: 63 bytes
Ethernet II
Destination: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Source: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 49
Identification: 0x0890
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xafe2 (correct)
Source: gateway1.maison.mrs (192.168.0.250)
Destination: chris.maison.mrs (192.168.0.10)
Transmission Control Protocol, Src Port: pop3 (110), Dst Port: 1927 (1927)
Source port: pop3 (110)
Destination port: 1927 (1927)
Sequence number: 4089248946
Acknowledgement number: 3662573379
Header length: 20 bytes
Flags: 0x0018 (PSH, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 1... = Push: Set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 32120
Checksum: 0x8d62
Post Office Protocol
Response: +OK
Response Arg: 0 0
Frame 15 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.5379
Time delta from previous packet: 0.001249 seconds
Frame Number: 15
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Source: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 46
Identification: 0x7629
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 128
Protocol: TCP (0x06)
Header checksum: 0x024c (correct)
Source: chris.maison.mrs (192.168.0.10)
Destination: gateway1.maison.mrs (192.168.0.250)
Transmission Control Protocol, Src Port: 1927 (1927), Dst Port: pop3 (110)
Source port: 1927 (1927)
Destination port: pop3 (110)
Sequence number: 3662573379
Acknowledgement number: 4089248955
Header length: 20 bytes
Flags: 0x0018 (PSH, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 1... = Push: Set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 17391
Checksum: 0xffce
Post Office Protocol
Request: QUIT
Frame 16 (68 on wire, 68 captured)
Arrival Time: Oct 12, 2000 11:19:15.5431
Time delta from previous packet: 0.005186 seconds
Frame Number: 16
Packet Length: 68 bytes
Capture Length: 68 bytes
Ethernet II
Destination: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Source: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 54
Identification: 0x0891
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xafdc (correct)
Source: gateway1.maison.mrs (192.168.0.250)
Destination: chris.maison.mrs (192.168.0.10)
Transmission Control Protocol, Src Port: pop3 (110), Dst Port: 1927 (1927)
Source port: pop3 (110)
Destination port: 1927 (1927)
Sequence number: 4089248955
Acknowledgement number: 3662573385
Header length: 20 bytes
Flags: 0x0018 (PSH, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 1... = Push: Set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 32120
Checksum: 0x3cde
Post Office Protocol
Response: +OK
Response Arg: Sayonara
Fermeture propre de la connexion TCP
Frame 17 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.5437
Time delta from previous packet: 0.000575 seconds
Frame Number: 17
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Source: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 40
Identification: 0x762a
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 128
Protocol: TCP (0x06)
Header checksum: 0x0251 (correct)
Source: chris.maison.mrs (192.168.0.10)
Destination: gateway1.maison.mrs (192.168.0.250)
Transmission Control Protocol, Src Port: 1927 (1927), Dst Port: pop3 (110)
Source port: 1927 (1927)
Destination port: pop3 (110)
Sequence number: 3662573385
Acknowledgement number: 4089248969
Header length: 20 bytes
Flags: 0x0011 (FIN, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 0... = Push: Not set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...1 = Fin: Set
Window size: 17377
Checksum: 0xa789
Frame 18 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.5441
Time delta from previous packet: 0.000395 seconds
Frame Number: 18
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Source: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 40
Identification: 0x0892
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xafe9 (correct)
Source: gateway1.maison.mrs (192.168.0.250)
Destination: chris.maison.mrs (192.168.0.10)
Transmission Control Protocol, Src Port: pop3 (110), Dst Port: 1927 (1927)
Source port: pop3 (110)
Destination port: 1927 (1927)
Sequence number: 4089248969
Acknowledgement number: 3662573386
Header length: 20 bytes
Flags: 0x0010 (ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 0... = Push: Not set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 32120
Checksum: 0x6df2
Frame 19 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.5446
Time delta from previous packet: 0.000508 seconds
Frame Number: 19
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Source: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 40
Identification: 0x0893
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 64
Protocol: TCP (0x06)
Header checksum: 0xafe8 (correct)
Source: gateway1.maison.mrs (192.168.0.250)
Destination: chris.maison.mrs (192.168.0.10)
Transmission Control Protocol, Src Port: pop3 (110), Dst Port: 1927 (1927)
Source port: pop3 (110)
Destination port: 1927 (1927)
Sequence number: 4089248969
Acknowledgement number: 3662573386
Header length: 20 bytes
Flags: 0x0011 (FIN, ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 0... = Push: Not set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...1 = Fin: Set
Window size: 32120
Checksum: 0x6df1
Frame 20 (60 on wire, 60 captured)
Arrival Time: Oct 12, 2000 11:19:15.5448
Time delta from previous packet: 0.000233 seconds
Frame Number: 20
Packet Length: 60 bytes
Capture Length: 60 bytes
Ethernet II
Destination: 00:20:18:61:90:e3 (00:20:18:61:90:e3)
Source: 00:20:18:b9:49:37 (00:20:18:b9:49:37)
Type: IP (0x0800)
Internet Protocol
Version: 4
Header length: 20 bytes
Differentiated Services Field: 0x00 (DSCP 0x00: Default)
0000 00.. = Differentiated Services Codepoint: Default (0x00)
.... ..00 = Currently Unused: 0
Total Length: 40
Identification: 0x762b
Flags: 0x04
.1.. = Don't fragment: Set
..0. = More fragments: Not set
Fragment offset: 0
Time to live: 128
Protocol: TCP (0x06)
Header checksum: 0x0250 (correct)
Source: chris.maison.mrs (192.168.0.10)
Destination: gateway1.maison.mrs (192.168.0.250)
Transmission Control Protocol, Src Port: 1927 (1927), Dst Port: pop3 (110)
Source port: 1927 (1927)
Destination port: pop3 (110)
Sequence number: 3662573386
Acknowledgement number: 4089248970
Header length: 20 bytes
Flags: 0x0010 (ACK)
..0. .... = Urgent: Not set
...1 .... = Acknowledgment: Set
.... 0... = Push: Not set
.... .0.. = Reset: Not set
.... ..0. = Syn: Not set
.... ...0 = Fin: Not set
Window size: 17377
Checksum: 0xa788