Hier noch mal ein aktueller Auszug :
nn@FujAH530:~$ sudo tcpdump -vvveni any tcpdump: listening on any, link-type LINUX_SLL (Linux cooked), capture size 65535 bytes 17:12:34.419385 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 76: (tos 0x0, ttl 64, id 13955, offset 0, flags [DF], proto TCP (6), length 60) 192.168.178.1.2459 > 192.168.178.29.14013: Flags [S], cksum 0xc005 (correct), seq 71252679, win 5840, options [mss 1460,sackOK,TS val 1969220 ecr 0,nop,wscale 1], length 0 17:12:37.417847 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 76: (tos 0x0, ttl 64, id 13957, offset 0, flags [DF], proto TCP (6), length 60) 192.168.178.1.2459 > 192.168.178.29.14013: Flags [S], cksum 0xbed9 (correct), seq 71252679, win 5840, options [mss 1460,sackOK,TS val 1969520 ecr 0,nop,wscale 1], length 0 17:12:43.417871 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 76: (tos 0x0, ttl 64, id 13959, offset 0, flags [DF], proto TCP (6), length 60) 192.168.178.1.2459 > 192.168.178.29.14013: Flags [S], cksum 0xbc81 (correct), seq 71252679, win 5840, options [mss 1460,sackOK,TS val 1970120 ecr 0,nop,wscale 1], length 0 17:12:47.549470 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 76: (tos 0x0, ttl 64, id 38710, offset 0, flags [DF], proto TCP (6), length 60) 192.168.178.1.2460 > 192.168.178.29.14013: Flags [S], cksum 0x6e85 (correct), seq 85034579, win 5840, options [mss 1460,sackOK,TS val 1970533 ecr 0,nop,wscale 1], length 0 17:12:50.547893 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 76: (tos 0x0, ttl 64, id 38712, offset 0, flags [DF], proto TCP (6), length 60) 192.168.178.1.2460 > 192.168.178.29.14013: Flags [S], cksum 0x6d59 (correct), seq 85034579, win 5840, options [mss 1460,sackOK,TS val 1970833 ecr 0,nop,wscale 1], length 0 17:12:56.547992 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 76: (tos 0x0, ttl 64, id 38714, offset 0, flags [DF], proto TCP (6), length 60) 192.168.178.1.2460 > 192.168.178.29.14013: Flags [S], cksum 0x6b01 (correct), seq 85034579, win 5840, options [mss 1460,sackOK,TS val 1971433 ecr 0,nop,wscale 1], length 0 17:12:57.395869 In 00:00:00:00:00:00 ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 41145, offset 0, flags [DF], proto UDP (17), length 82) 192.168.178.29.44060 > 192.168.178.29.53: [bad udp cksum 0xe5db -> 0x1f57!] 63987+ A? soft-start.loop.services.mozilla.com. (54) 17:12:57.395998 Out 60:d8:19:15:48:f7 ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 22274, offset 0, flags [DF], proto UDP (17), length 82) 192.168.178.29.48936 > 192.168.178.1.53: [udp sum ok] 18665+ A? soft-start.loop.services.mozilla.com. (54) 17:12:57.411153 In 00:1a:4f:26:ca:e5 ethertype IPv4 (0x0800), length 150: (tos 0x0, ttl 64, id 20293, offset 0, flags [none], proto UDP (17), length 134) 192.168.178.1.53 > 192.168.178.29.48936: [udp sum ok] 18665 q: A? soft-start.loop.services.mozilla.com. 2/0/0 soft-start.loop.services.mozilla.com. [4m35s] CNAME soft-start.loop.r53-2.services.mozilla.com., soft-start.loop.r53-2.services.mozilla.com. [4m35s] A 127.51.51.51 (106) 17:12:57.411291 In 00:00:00:00:00:00 ethertype IPv4 (0x0800), length 150: (tos 0x0, ttl 64, id 41147, offset 0, flags [DF], proto UDP (17), length 134) 192.168.178.29.53 > 192.168.178.29.44060: [bad udp cksum 0xe60f -> 0x2ea6!] 63987 q: A? soft-start.loop.services.mozilla.com. 2/0/0 soft-start.loop.services.mozilla.com. [4m35s] CNAME soft-start.loop.r53-2.services.mozilla.com., soft-start.loop.r53-2.services.mozilla.com. [4m35s] A 127.51.51.51 (106) 17:12:57.511839 In 00:00:00:00:00:00 ethertype IPv4 (0x0800), length 114: (tos 0x0, ttl 64, id 40295, offset 0, flags [none], proto UDP (17), length 98) 192.168.178.1.53 > 192.168.178.29.48936: [udp sum ok] 18665 q: A? soft-start.loop.services.mozilla.com. 1/0/0 soft-start.loop.services.mozilla.com. [1m] A 193.169.13.13 (70) 17:12:57.511874 Out 60:d8:19:15:48:f7 ethertype IPv4 (0x0800), length 142: (tos 0xc0, ttl 64, id 54196, offset 0, flags [none], proto ICMP (1), length 126) 192.168.178.29 > 192.168.178.1: ICMP 192.168.178.29 udp port 48936 unreachable, length 106 (tos 0x0, ttl 64, id 40295, offset 0, flags [none], proto UDP (17), length 98) 192.168.178.1.53 > 192.168.178.29.48936: [udp sum ok] 18665 q: A? soft-start.loop.services.mozilla.com. 1/0/0 soft-start.loop.services.mozilla.com. [1m] A 193.169.13.13 (70) 17:12:57.908550 In 00:00:00:00:00:00 ethertype IPv4 (0x0800), length 114: (tos 0x0, ttl 64, id 45018, offset 0, flags [none], proto UDP (17), length 98) 192.168.178.29.53 > 192.168.178.29.44060: [udp sum ok] 63987 q: A? soft-start.loop.services.mozilla.com. 1/0/0 soft-start.loop.services.mozilla.com. [1m] A 193.169.13.13 (70) 17:12:57.908592 In 00:00:00:00:00:00 ethertype IPv4 (0x0800), length 142: (tos 0xc0, ttl 64, id 51877, offset 0, flags [none], proto ICMP (1), length 126) 192.168.178.29 > 192.168.178.29: ICMP 192.168.178.29 udp port 44060 unreachable, length 106 (tos 0x0, ttl 64, id 45018, offset 0, flags [none], proto UDP (17), length 98) 192.168.178.29.53 > 192.168.178.29.44060: [udp sum ok] 63987 q: A? soft-start.loop.services.mozilla.com. 1/0/0 soft-start.loop.services.mozilla.com. [1m] A 193.169.13.13 (70)