No. Time Source Destination Protocol Info 18 24.491296 143.106.16.31 143.106.16.144 DNS Standard query AAAA www.lrc.ic.unicamp.br Frame 18 (81 bytes on wire, 81 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.16.144 (143.106.16.144) User Datagram Protocol, Src Port: 32773 (32773), Dst Port: domain (53) Domain Name System (query) No. Time Source Destination Protocol Info 19 24.493156 143.106.16.144 143.106.16.31 DNS Standard query response CNAME lrc-gw.ic.unicamp.br Frame 19 (152 bytes on wire, 152 bytes captured) Ethernet II, Src: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48), Dst: Supermic_24:87:99 (00:30:48:24:87:99) Internet Protocol, Src: 143.106.16.144 (143.106.16.144), Dst: 143.106.16.31 (143.106.16.31) User Datagram Protocol, Src Port: domain (53), Dst Port: 32773 (32773) Domain Name System (response) No. Time Source Destination Protocol Info 20 24.493324 143.106.16.31 143.106.16.144 DNS Standard query A www.lrc.ic.unicamp.br Frame 20 (81 bytes on wire, 81 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.16.144 (143.106.16.144) User Datagram Protocol, Src Port: 32773 (32773), Dst Port: domain (53) Domain Name System (query) No. Time Source Destination Protocol Info 21 24.494154 143.106.16.144 143.106.16.31 DNS Standard query response CNAME lrc-gw.ic.unicamp.br A 143.106.7.163 Frame 21 (189 bytes on wire, 189 bytes captured) Ethernet II, Src: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48), Dst: Supermic_24:87:99 (00:30:48:24:87:99) Internet Protocol, Src: 143.106.16.144 (143.106.16.144), Dst: 143.106.16.31 (143.106.16.31) User Datagram Protocol, Src Port: domain (53), Dst Port: 32773 (32773) Domain Name System (response) No. Time Source Destination Protocol Info 22 24.494515 143.106.16.31 143.106.7.163 TCP 42421 > www [SYN] Seq=0 Len=0 MSS=1460 TSV=1047430 TSER=0 WS=5 Frame 22 (74 bytes on wire, 74 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.7.163 (143.106.7.163) Transmission Control Protocol, Src Port: 42421 (42421), Dst Port: www (80), Seq: 0, Len: 0 No. Time Source Destination Protocol Info 23 24.496760 143.106.7.163 143.106.16.31 TCP www > 42421 [SYN, ACK] Seq=0 Ack=1 Win=185344 Len=0 MSS=1460 TSV=47046356 TSER=1047430 WS=5 Frame 23 (74 bytes on wire, 74 bytes captured) Ethernet II, Src: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48), Dst: Supermic_24:87:99 (00:30:48:24:87:99) Internet Protocol, Src: 143.106.7.163 (143.106.7.163), Dst: 143.106.16.31 (143.106.16.31) Transmission Control Protocol, Src Port: www (80), Dst Port: 42421 (42421), Seq: 0, Ack: 1, Len: 0 No. Time Source Destination Protocol Info 24 24.496795 143.106.16.31 143.106.7.163 TCP 42421 > www [ACK] Seq=1 Ack=1 Win=5856 Len=0 TSV=1047432 TSER=47046356 Frame 24 (66 bytes on wire, 66 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.7.163 (143.106.7.163) Transmission Control Protocol, Src Port: 42421 (42421), Dst Port: www (80), Seq: 1, Ack: 1, Len: 0 No. Time Source Destination Protocol Info 25 24.496884 143.106.16.31 143.106.7.163 HTTP GET /~daniel/especializacao/HTTP.html HTTP/1.1 Frame 25 (548 bytes on wire, 548 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.7.163 (143.106.7.163) Transmission Control Protocol, Src Port: 42421 (42421), Dst Port: www (80), Seq: 1, Ack: 1, Len: 482 Hypertext Transfer Protocol No. Time Source Destination Protocol Info 26 24.498166 143.106.7.163 143.106.16.31 TCP www > 42421 [ACK] Seq=1 Ack=483 Win=6880 Len=0 TSV=47046357 TSER=1047432 Frame 26 (66 bytes on wire, 66 bytes captured) Ethernet II, Src: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48), Dst: Supermic_24:87:99 (00:30:48:24:87:99) Internet Protocol, Src: 143.106.7.163 (143.106.7.163), Dst: 143.106.16.31 (143.106.16.31) Transmission Control Protocol, Src Port: www (80), Dst Port: 42421 (42421), Seq: 1, Ack: 483, Len: 0 No. Time Source Destination Protocol Info 27 24.500551 143.106.7.163 143.106.16.31 HTTP HTTP/1.1 200 OK (text/html) Frame 27 (469 bytes on wire, 469 bytes captured) Ethernet II, Src: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48), Dst: Supermic_24:87:99 (00:30:48:24:87:99) Internet Protocol, Src: 143.106.7.163 (143.106.7.163), Dst: 143.106.16.31 (143.106.16.31) Transmission Control Protocol, Src Port: www (80), Dst Port: 42421 (42421), Seq: 1, Ack: 483, Len: 403 Hypertext Transfer Protocol Line-based text data: text/html No. Time Source Destination Protocol Info 28 24.500561 143.106.16.31 143.106.7.163 TCP 42421 > www [ACK] Seq=483 Ack=404 Win=6912 Len=0 TSV=1047436 TSER=47046357 Frame 28 (66 bytes on wire, 66 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.7.163 (143.106.7.163) Transmission Control Protocol, Src Port: 42421 (42421), Dst Port: www (80), Seq: 483, Ack: 404, Len: 0 No. Time Source Destination Protocol Info 29 24.576544 143.106.16.31 141.82.30.251 NTP NTP Frame 29 (90 bytes on wire, 90 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 141.82.30.251 (141.82.30.251) User Datagram Protocol, Src Port: ntp (123), Dst Port: ntp (123) Network Time Protocol No. Time Source Destination Protocol Info 30 24.859335 143.106.16.31 143.106.7.163 HTTP GET /favicon.ico HTTP/1.1 Frame 30 (447 bytes on wire, 447 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.7.163 (143.106.7.163) Transmission Control Protocol, Src Port: 42421 (42421), Dst Port: www (80), Seq: 483, Ack: 404, Len: 381 Hypertext Transfer Protocol No. Time Source Destination Protocol Info 31 24.862508 143.106.7.163 143.106.16.31 HTTP HTTP/1.1 404 Not Found (text/html) Frame 31 (491 bytes on wire, 491 bytes captured) Ethernet II, Src: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48), Dst: Supermic_24:87:99 (00:30:48:24:87:99) Internet Protocol, Src: 143.106.7.163 (143.106.7.163), Dst: 143.106.16.31 (143.106.16.31) Transmission Control Protocol, Src Port: www (80), Dst Port: 42421 (42421), Seq: 404, Ack: 864, Len: 425 Hypertext Transfer Protocol Line-based text data: text/html No. Time Source Destination Protocol Info 32 24.862566 143.106.16.31 143.106.7.163 TCP 42421 > www [ACK] Seq=864 Ack=829 Win=8000 Len=0 TSV=1047798 TSER=47046448 Frame 32 (66 bytes on wire, 66 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 143.106.7.163 (143.106.7.163) Transmission Control Protocol, Src Port: 42421 (42421), Dst Port: www (80), Seq: 864, Ack: 829, Len: 0 No. Time Source Destination Protocol Info 33 26.000658 AlcatelN_9d:8e:46 Spanning-tree-(for-bridges)_00 STP Conf. Root = 32768/00:20:da:9d:8e:41 Cost = 0 Port = 0x8006 Frame 33 (60 bytes on wire, 60 bytes captured) IEEE 802.3 Ethernet Logical-Link Control Spanning Tree Protocol No. Time Source Destination Protocol Info 34 28.001822 AlcatelN_9d:8e:46 Spanning-tree-(for-bridges)_00 STP Conf. Root = 32768/00:20:da:9d:8e:41 Cost = 0 Port = 0x8006 Frame 34 (60 bytes on wire, 60 bytes captured) IEEE 802.3 Ethernet Logical-Link Control Spanning Tree Protocol No. Time Source Destination Protocol Info 35 28.570766 143.106.16.31 216.133.73.47 NTP NTP Frame 35 (90 bytes on wire, 90 bytes captured) Ethernet II, Src: Supermic_24:87:99 (00:30:48:24:87:99), Dst: CameoCom_5f:0d:48 (00:40:f4:5f:0d:48) Internet Protocol, Src: 143.106.16.31 (143.106.16.31), Dst: 216.133.73.47 (216.133.73.47) User Datagram Protocol, Src Port: ntp (123), Dst Port: ntp (123) Network Time Protocol No. Time Source Destination Protocol Info 36 30.000803 AlcatelN_9d:8e:46 Spanning-tree-(for-bridges)_00 STP Conf. Root = 32768/00:20:da:9d:8e:41 Cost = 0 Port = 0x8006 Frame 36 (60 bytes on wire, 60 bytes captured) IEEE 802.3 Ethernet Logical-Link Control Spanning Tree Protocol No. Time Source Destination Protocol Info 37 32.000816 AlcatelN_9d:8e:46 Spanning-tree-(for-bridges)_00 STP Conf. Root = 32768/00:20:da:9d:8e:41 Cost = 0 Port = 0x8006 Frame 37 (60 bytes on wire, 60 bytes captured) IEEE 802.3 Ethernet Logical-Link Control Spanning Tree Protocol No. Time Source Destination Protocol Info 38 34.001960 AlcatelN_9d:8e:46 Spanning-tree-(for-bridges)_00 STP Conf. Root = 32768/00:20:da:9d:8e:41 Cost = 0 Port = 0x8006 Frame 38 (60 bytes on wire, 60 bytes captured) IEEE 802.3 Ethernet Logical-Link Control Spanning Tree Protocol