No. Time Source Destination Protocol Info 1 0.000000 127.0.0.1 127.0.0.1 TCP 34253 > http [SYN] Seq=0 Ack=0 Win=32767 Len=0 MSS=16396 TSV=6864041 TSER=0 WS=2 Frame 1 (76 bytes on wire, 76 bytes captured) Arrival Time: Dec 15, 2004 22:09:46.590345000 Time delta from previous packet: 0.000000000 seconds Time since reference or first frame: 0.000000000 seconds Frame Number: 1 Packet Length: 76 bytes Capture Length: 76 bytes Linux cooked capture Packet type: Unicast to us (0) Link-layer address type: 772 Link-layer address length: 0 Source: Protocol: IP (0x0800) Internet Protocol, Src Addr: 127.0.0.1 (127.0.0.1), Dst Addr: 127.0.0.1 (127.0.0.1) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 60 Identification: 0x1c5c (7260) Flags: 0x04 (Don't Fragment) 0... = Reserved bit: Not set .1.. = Don't fragment: Set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 64 Protocol: TCP (0x06) Header checksum: 0x205e (correct) Source: 127.0.0.1 (127.0.0.1) Destination: 127.0.0.1 (127.0.0.1) Transmission Control Protocol, Src Port: 34253 (34253), Dst Port: http (80), Seq: 0, Ack: 0, Len: 0 Source port: 34253 (34253) Destination port: http (80) Sequence number: 0 (relative sequence number) Header length: 40 bytes Flags: 0x0002 (SYN) 0... .... = Congestion Window Reduced (CWR): Not set .0.. .... = ECN-Echo: Not set ..0. .... = Urgent: Not set ...0 .... = Acknowledgment: Not set .... 0... = Push: Not set .... .0.. = Reset: Not set .... ..1. = Syn: Set .... ...0 = Fin: Not set Window size: 32767 Checksum: 0xc077 (correct) Options: (20 bytes) Maximum segment size: 16396 bytes SACK permitted Time stamp: tsval 6864041, tsecr 0 NOP Window scale: 2 (multiply by 4) 0000 00 00 03 04 00 00 b4 09 00 00 00 00 8e 23 08 00 .............#.. 0010 45 00 00 3c 1c 5c 40 00 40 06 20 5e 7f 00 00 01 E..<.\@.@. ^.... 0020 7f 00 00 01 85 cd 00 50 eb 0e a0 f5 00 00 00 00 .......P........ 0030 a0 02 7f ff c0 77 00 00 02 04 40 0c 04 02 08 0a .....w....@..... 0040 00 68 bc a9 00 00 00 00 01 03 03 02 .h.......... No. Time Source Destination Protocol Info 2 0.000075 127.0.0.1 127.0.0.1 TCP http > 34253 [SYN, ACK] Seq=0 Ack=1 Win=32767 Len=0 MSS=16396 TSV=6864041 TSER=6864041 WS=2 Frame 2 (76 bytes on wire, 76 bytes captured) Arrival Time: Dec 15, 2004 22:09:46.590420000 Time delta from previous packet: 0.000075000 seconds Time since reference or first frame: 0.000075000 seconds Frame Number: 2 Packet Length: 76 bytes Capture Length: 76 bytes Linux cooked capture Packet type: Unicast to us (0) Link-layer address type: 772 Link-layer address length: 0 Source: Protocol: IP (0x0800) Internet Protocol, Src Addr: 127.0.0.1 (127.0.0.1), Dst Addr: 127.0.0.1 (127.0.0.1) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 60 Identification: 0x0000 (0) Flags: 0x04 (Don't Fragment) 0... = Reserved bit: Not set .1.. = Don't fragment: Set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 64 Protocol: TCP (0x06) Header checksum: 0x3cba (correct) Source: 127.0.0.1 (127.0.0.1) Destination: 127.0.0.1 (127.0.0.1) Transmission Control Protocol, Src Port: http (80), Dst Port: 34253 (34253), Seq: 0, Ack: 1, Len: 0 Source port: http (80) Destination port: 34253 (34253) Sequence number: 0 (relative sequence number) Acknowledgement number: 1 (relative ack number) Header length: 40 bytes Flags: 0x0012 (SYN, ACK) 0... .... = Congestion Window Reduced (CWR): Not set .0.. .... = ECN-Echo: Not set ..0. .... = Urgent: Not set ...1 .... = Acknowledgment: Set .... 0... = Push: Not set .... .0.. = Reset: Not set .... ..1. = Syn: Set .... ...0 = Fin: Not set Window size: 32767 Checksum: 0x123e (correct) Options: (20 bytes) Maximum segment size: 16396 bytes SACK permitted Time stamp: tsval 6864041, tsecr 6864041 NOP Window scale: 2 (multiply by 4) SEQ/ACK analysis This is an ACK to the segment in frame: 1 The RTT to ACK the segment was: 0.000075000 seconds 0000 00 00 03 04 00 00 b4 09 00 00 00 00 8e 23 08 00 .............#.. 0010 45 00 00 3c 00 00 40 00 40 06 3c ba 7f 00 00 01 E..<..@.@.<..... 0020 7f 00 00 01 00 50 85 cd ea 8e 06 88 eb 0e a0 f6 .....P.......... 0030 a0 12 7f ff 12 3e 00 00 02 04 40 0c 04 02 08 0a .....>....@..... 0040 00 68 bc a9 00 68 bc a9 01 03 03 02 .h...h...... No. Time Source Destination Protocol Info 3 0.000133 127.0.0.1 127.0.0.1 TCP 34253 > http [ACK] Seq=1 Ack=1 Win=32768 Len=0 TSV=6864041 TSER=6864041 Frame 3 (68 bytes on wire, 68 bytes captured) Arrival Time: Dec 15, 2004 22:09:46.590478000 Time delta from previous packet: 0.000058000 seconds Time since reference or first frame: 0.000133000 seconds Frame Number: 3 Packet Length: 68 bytes Capture Length: 68 bytes Linux cooked capture Packet type: Unicast to us (0) Link-layer address type: 772 Link-layer address length: 0 Source: Protocol: IP (0x0800) Internet Protocol, Src Addr: 127.0.0.1 (127.0.0.1), Dst Addr: 127.0.0.1 (127.0.0.1) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 52 Identification: 0x1c5e (7262) Flags: 0x04 (Don't Fragment) 0... = Reserved bit: Not set .1.. = Don't fragment: Set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 64 Protocol: TCP (0x06) Header checksum: 0x2064 (correct) Source: 127.0.0.1 (127.0.0.1) Destination: 127.0.0.1 (127.0.0.1) Transmission Control Protocol, Src Port: 34253 (34253), Dst Port: http (80), Seq: 1, Ack: 1, Len: 0 Source port: 34253 (34253) Destination port: http (80) Sequence number: 1 (relative sequence number) Acknowledgement number: 1 (relative ack number) Header length: 32 bytes Flags: 0x0010 (ACK) 0... .... = Congestion Window Reduced (CWR): Not set .0.. .... = ECN-Echo: Not set ..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: 32768 Checksum: 0xdb5c (correct) Options: (12 bytes) NOP NOP Time stamp: tsval 6864041, tsecr 6864041 SEQ/ACK analysis This is an ACK to the segment in frame: 2 The RTT to ACK the segment was: 0.000058000 seconds 0000 00 00 03 04 00 00 b4 09 00 00 00 00 8e 23 08 00 .............#.. 0010 45 00 00 34 1c 5e 40 00 40 06 20 64 7f 00 00 01 E..4.^@.@. d.... 0020 7f 00 00 01 85 cd 00 50 eb 0e a0 f6 ea 8e 06 89 .......P........ 0030 80 10 20 00 db 5c 00 00 01 01 08 0a 00 68 bc a9 .. ..\.......h.. 0040 00 68 bc a9 .h..