tcpdump при открытии проблемных сайтов:
01:01:04.047459 IP6 (hlim 64, next-header TCP (6) payload length: 201) 2a01:d0:c353:e1:0:5efe:af3:7ff.55189 > 2a02:26f0:18:19e::b1f.443: Flags [P.], cksum 0x86f9 (correct), seq 3441067619:3441067800, ack 831747326, win 254, length 181
01:01:04.210108 IP6 (hlim 52, next-header TCP (6) payload length: 20) 2a02:26f0:18:19e::b1f.443 > 2a01:d0:c353:e1:0:5efe:af3:7ff.55189: Flags [.], cksum 0x1501 (correct), ack 181, win 2049, length 0
01:01:04.397466 IP6 (hlim 52, next-header TCP (6) payload length: 157) 2a02:26f0:18:19e::b1f.443 > 2a01:d0:c353:e1:0:5efe:af3:7ff.55189: Flags [P.], cksum 0x89a7 (correct), seq 1:138, ack 181, win 2049, length 137
01:01:04.448167 IP6 (hlim 52, next-header TCP (6) payload length: 58) 2a02:26f0:18:19e::b1f.443 > 2a01:d0:c353:e1:0:5efe:af3:7ff.55189: Flags [P.], cksum 0x0c51 (correct), seq 138:176, ack 181, win 2049, length 38
01:01:04.448366 IP6 (hlim 64, next-header TCP (6) payload length: 20) 2a01:d0:c353:e1:0:5efe:af3:7ff.55189 > 2a02:26f0:18:19e::b1f.443: Flags [.], cksum 0x1b56 (correct), ack 176, win 253, length 0
Параметры интерфейса:
is0 Link encap:IPv6-in-IPv4
inet6 addr: 2a01:d0:c353:e1:0:5efe:c0a8:20b/64 Scope:Global
inet6 addr: fe80::5efe:c0a8:20b/64 Scope:Link
UP RUNNING NOARP MTU:1480 Metric:1
RX packets:492 errors:0 dropped:0 overruns:0 frame:0
TX packets:543 errors:65 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:60374 (58.9 KiB) TX bytes:290650 (283.8 KiB)
isatap0p1 Link encap:Ethernet HWaddr 00:80:72:00:00:02
inet addr:192.168.2.11 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fd00:12:1::3/64 Scope:Global
inet6 addr: fe80::280:72ff:fe00:2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1142 errors:0 dropped:0 overruns:0 frame:0
TX packets:1108 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:383632 (374.6 KiB) TX bytes:381692 (372.7 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
клиент - windows 7