пробовал tcpdump:
ping google.com
sudo tcpdump -nn -t -v -p -i eth1 udp
sudo tcpdump -nn -t -v -p -i eth1 udp
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
IP (tos 0x0, ttl 64, id 57419, offset 0, flags [DF], proto UDP (17), length 56)
192.168.0.254.46240 > 8.8.8.8.53: 33370+ A? google.com. (28)
IP (tos 0x0, ttl 64, id 57420, offset 0, flags [DF], proto UDP (17), length 56)
192.168.0.254.46240 > 8.8.8.8.53: 33370+ A? google.com. (28)
IP (tos 0x0, ttl 64, id 59921, offset 0, flags [DF], proto UDP (17), length 56)
192.168.0.254.35780 > 8.8.8.8.53: 45489+ A? google.com. (28)
IP (tos 0x0, ttl 64, id 59922, offset 0, flags [DF], proto UDP (17), length 56)
192.168.0.254.35780 > 8.8.8.8.53: 45489+ A? google.com. (28)
не с того интерфейса отправляет...
Пользователь решил продолжить мысль 07 Марта 2012, 18:07:24:
Добавил
sudo iptables -t nat -A POSTROUTING -p udp -o eth1 -j SNAT --to 192.168.1.2
sudo iptables -t nat -A POSTROUTING -p icmp -o eth1 -j SNAT --to 192.168.1.2
Теперь:
ping google.com
sudo tcpdump -nn -t -v -p -i eth1 udptcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
IP (tos 0x0, ttl 64, id 46733, offset 0, flags [DF], proto UDP (17), length 56)
192.168.1.2.33098 > 8.8.8.8.53: 63271+ A? google.com. (28)
IP (tos 0x0, ttl 49, id 28482, offset 0, flags [none], proto UDP (17), length 152)
8.8.8.8.53 > 192.168.1.2.33098: 63271 6/0/0 google.com. A 209.85.148.113, google.com.[|domain]
IP (tos 0x0, ttl 64, id 46734, offset 0, flags [DF], proto UDP (17), length 56)
192.168.1.2.33098 > 8.8.8.8.53: 63271+ A? google.com. (28)
IP (tos 0x0, ttl 49, id 49854, offset 0, flags [none], proto UDP (17), length 152)
8.8.8.8.53 > 192.168.1.2.33098: 63271 6/0/0 google.com. A 209.85.148.102, google.com.[|domain]
IP (tos 0x0, ttl 64, id 49235, offset 0, flags [DF], proto UDP (17), length 56)
192.168.1.2.45658 > 8.8.8.8.53: 53415+ A? google.com. (28)
IP (tos 0x0, ttl 49, id 47661, offset 0, flags [none], proto UDP (17), length 152)
8.8.8.8.53 > 192.168.1.2.45658: 53415 6/0/0 google.com. A 209.85.148.102, google.com.[|domain]
IP (tos 0x0, ttl 64, id 49236, offset 0, flags [DF], proto UDP (17), length 56)
192.168.1.2.45658 > 8.8.8.8.53: 53415+ A? google.com. (28)
IP (tos 0x0, ttl 49, id 17715, offset 0, flags [none], proto UDP (17), length 152)
8.8.8.8.53 > 192.168.1.2.45658: 53415 6/0/0 google.com. A 209.85.148.102, google.com.[|domain]
Какие-то ответы приходят, но адрес все-равно не ресолвится
ping 8.8.8.8.sudo tcpdump -nn -t -v -p -i eth1 icmpто
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84)
192.168.1.2 > 8.8.8.8: ICMP echo request, id 49923, seq 1, length 64
IP (tos 0x0, ttl 49, id 24866, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 192.168.1.2: ICMP echo reply, id 49923, seq 1, length 64
IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84)
192.168.1.2 > 8.8.8.8: ICMP echo request, id 49923, seq 2, length 64
IP (tos 0x0, ttl 49, id 12389, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 192.168.1.2: ICMP echo reply, id 49923, seq 2, length 64
IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84)
192.168.1.2 > 8.8.8.8: ICMP echo request, id 49923, seq 3, length 64
IP (tos 0x0, ttl 49, id 24867, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 192.168.1.2: ICMP echo reply, id 49923, seq 3, length 64
IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84)
192.168.1.2 > 8.8.8.8: ICMP echo request, id 49923, seq 4, length 64
IP (tos 0x0, ttl 49, id 5972, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 192.168.1.2: ICMP echo reply, id 49923, seq 4, length 64
IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84)
192.168.1.2 > 8.8.8.8: ICMP echo request, id 49923, seq 5, length 64
IP (tos 0x0, ttl 49, id 12390, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 192.168.1.2: ICMP echo reply, id 49923, seq 5, length 64
и пинга тоже нет
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.
![Cool 8)](https://forum.ubuntu.ru/Smileys/webby/cool.gif)
56(84) bytes of data.
^C
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4033ms