Короче, пробую сделать фильтрацию в ipv6.
root@filter0:/home/user# cat /etc/snort/rules/local.rules
reject tcp any any -> any any (msg:"HTTP test";sid:10000001;react; rev:001;)
root@filter0:/home/user#
Commencing packet processing (pid=982)
Decoding Raw IP6
11/05-22:17:22.489083 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140 -> 2a02:6b8::2:242:80
11/05-22:17:23.047332 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:80 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140
11/05-22:17:23.047632 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140 -> 2a02:6b8::2:242:80
11/05-22:17:23.048062 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140 -> 2a02:6b8::2:242:80
11/05-22:17:23.602873 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:80 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140
11/05-22:17:23.605475 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:80 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140
11/05-22:17:23.605595 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140 -> 2a02:6b8::2:242:80
11/05-22:17:23.617973 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.046448 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.046755 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.047220 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.550999 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.551093 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.551164 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.551225 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.551306 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.551514 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.551573 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.566602 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.566611 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:24.945299 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:24.947580 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:25.345172 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.481638 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.484309 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.484309 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.486201 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:25.486210 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140 -> 2a02:6b8::2:242:80
11/05-22:17:25.535520 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.537952 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.537952 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.537952 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.538065 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:25.538069 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:25.617089 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.623854 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.623854 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.623940 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:25.956013 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.956707 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.956707 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:25.956730 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:80 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140
11/05-22:17:25.957124 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:25.958759 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:53140 -> 2a02:6b8::2:242:80
11/05-22:17:25.958767 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:26.445400 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:26.445421 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a02:6b8::2:242:443 -> 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833
11/05-22:17:26.450655 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
11/05-22:17:26.450662 [**] [1:10000001:1] HTTP test [**] [Priority: 0] {TCP} 2a01:d0:c353:7:fd0d:6096:9f6c:e5af:54833 -> 2a02:6b8::2:242:443
root@router:/home/ad# ip6tables -t mangle -L -v
Chain PREROUTING (policy ACCEPT 5439 packets, 1521K bytes)
pkts bytes target prot opt in out source destination
2242 285K TEE all any any 2a01:d0:c353:7:fd0d:6096:9f6c:e5af anywhere TEE gw:fd00:10:1::254
2682 1200K TEE all any any anywhere 2a01:d0:c353:7:fd0d:6096:9f6c:e5af TEE gw:fd00:10:1::254
Chain INPUT (policy ACCEPT 467 packets, 32072 bytes)
pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 4867 packets, 1481K bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 5386 packets, 1517K bytes)
pkts bytes target prot opt in out source destination
Chain POSTROUTING (policy ACCEPT 10263 packets, 2999K bytes)
pkts bytes target prot opt in out source destination
root@router:/home/ad#
С ipv4 всё работает нормально.
Тоже самое и при маршрутизации.