dave@david ~ $ sudo tcpdump -i any udp tcpdump: WARNING: Promiscuous mode not supported on the "any" device tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on any, link-type LINUX_SLL (Linux cooked), capture size 96 bytes 00:54:59.593117 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 276 00:54:59.593832 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 61408+ PTR? 250.255.255.239.in-addr.arpa. (46) 00:54:59.596125 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 271 00:54:59.599733 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 348 00:54:59.603675 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 340 00:54:59.606695 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 271 00:54:59.610155 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 324 00:54:59.613830 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 356 00:54:59.616844 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 271 00:54:59.620421 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 344 00:54:59.624029 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 338 00:54:59.627563 IP 192.168.1.1.1900 > 239.255.255.250.1900: UDP, length 340 00:54:59.629021 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 61408 NXDomain 0/1/0 (103) 00:54:59.629271 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 15141+ PTR? 1.1.168.192.in-addr.arpa. (42) 00:54:59.644936 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 15141 NXDomain 0/0/0 (42) 00:54:59.645242 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 59238+ PTR? 37.241.200.24.in-addr.arpa. (44) 00:54:59.688772 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 59238 1/0/0 (75) 00:54:59.688981 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 63375+ PTR? 102.1.168.192.in-addr.arpa. (44) 00:54:59.698630 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 63375 NXDomain 0/0/0 (44) 00:54:59.910834 IP user-0cdf4rg.cable.mindspring.com.16395 > 192.168.1.102.54321: UDP, length 63 00:54:59.911260 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 38781+ PTR? 112.147.215.24.in-addr.arpa. (45) 00:54:59.954865 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 38781 1/0/0 (92) 00:55:00.885171 IP 37.216.218.87.dynamic.jazztel.es.52651 > 192.168.1.102.54321: UDP, length 65 00:55:00.885516 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 33631+ PTR? 37.216.218.87.in-addr.arpa. (44) 00:55:01.152560 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 33631 1/0/0 (90) 00:55:01.635742 IP ip-145-25-149-91.dialup.ice.no.44048 > 192.168.1.102.54321: UDP, length 42 00:55:01.636052 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 59192+ PTR? 145.25.149.91.in-addr.arpa. (44) 00:55:01.652162 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 59192 1/0/0 (88) 00:55:01.887171 IP che33-2-82-224-112-177.fbx.proxad.net.6881 > 192.168.1.102.54321: UDP, length 63 00:55:01.887509 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 30640+ PTR? 177.112.224.82.in-addr.arpa. (45) 00:55:02.000008 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 30640 1/0/0 (96) 00:55:02.331832 IP v040082.ppp.asahi-net.or.jp.37393 > 192.168.1.102.54321: UDP, length 63 00:55:02.332101 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 19328+ PTR? 82.40.155.124.in-addr.arpa. (44) 00:55:02.482157 IP ipa118.45.91.tellas.gr.10836 > 192.168.1.102.54321: UDP, length 65 00:55:02.674584 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 19328 1/0/0 (85) 00:55:02.674822 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 48988+ PTR? 118.45.140.91.in-addr.arpa. (44) 00:55:02.860788 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 48988 1/0/0 (80) 00:55:03.741830 IP 86.34.171.58.22419 > 192.168.1.102.54321: UDP, length 63 00:55:03.742043 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 51029+ PTR? 58.171.34.86.in-addr.arpa. (43) 00:55:03.746250 IP v040082.ppp.asahi-net.or.jp.37393 > 192.168.1.102.54321: UDP, length 63 00:55:03.764831 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 51029 NXDomain 0/1/0 (106) 00:55:03.849955 IP ip-145-25-149-91.dialup.ice.no.44048 > 192.168.1.102.54321: UDP, length 63 00:55:04.970708 IP c-98-193-211-180.hsd1.tn.comcast.net.49192 > 192.168.1.102.54321: UDP, length 63 00:55:04.971031 IP 192.168.1.102.32773 > dns1.videotron.ca.domain: 26459+ PTR? 180.211.193.98.in-addr.arpa. (45) 00:55:05.025833 IP dns1.videotron.ca.domain > 192.168.1.102.32773: 26459 1/0/0 (95) 45 packets captured 45 packets received by filter 0 packets dropped by kernel