1 ip6tables-translate -A INPUT -m ah --ahspi 500 -j DROP
2 nft 'add rule ip6 filter INPUT ah spi 500 counter drop'
4 ip6tables-translate -A INPUT -m ah --ahspi 500:550 -j DROP
5 nft 'add rule ip6 filter INPUT ah spi 500-550 counter drop'
7 ip6tables-translate -A INPUT -m ah ! --ahlen 120
8 nft 'add rule ip6 filter INPUT ah hdrlength != 120 counter'
10 ip6tables-translate -A INPUT -m ah --ahres
11 nft 'add rule ip6 filter INPUT ah reserved 1 counter'
13 ip6tables-translate -A INPUT -m ah --ahspi 500 ! --ahlen 120 -j DROP
14 nft 'add rule ip6 filter INPUT ah spi 500 ah hdrlength != 120 counter drop'
16 ip6tables-translate -A INPUT -m ah --ahspi 500 --ahlen 120 --ahres -j ACCEPT
17 nft 'add rule ip6 filter INPUT ah spi 500 ah hdrlength 120 ah reserved 1 counter accept'
19 ip6tables-translate -A INPUT -m ah --ahspi 0:4294967295
20 nft 'add rule ip6 filter INPUT exthdr ah exists counter'
22 ip6tables-translate -A INPUT -m ah ! --ahspi 0:4294967295
23 nft 'add rule ip6 filter INPUT ah spi != 0-4294967295 counter'