On 12/27/18 12:38 AM, wenxu@xxxxxxxxx wrote:
> nft add table firewall
> nft add chain firewall zones { type filter hook prerouting priority - 300 \; }
> nft add rule firewall zones counter ct zone set iif map { "eth1" : 1, "eth2" : 2 }
> nft add chain firewall rule-1000-ingress
> nft add rule firewall rule-1000-ingress ct zone 1 tcp dport 22 ct state new counter accept
> nft add rule firewall rule-1000-ingress counter drop
> nft add chain firewall rule-1000-egress
> nft add rule firewall rule-1000-egress tcp dport 22 ct state new counter drop
> nft add rule firewall rule-1000-egress counter accept
>
> nft add chain firewall rules-all { type filter hook prerouting priority - 150 \; }
> nft add rule firewall rules-all ip daddr vmap { "2.2.2.11" : jump rule-1000-ingress }
> nft add rule firewall rules-all ct zone vmap { 1 : jump rule-1000-egress }
Bug report to the netfilter crowd: After this set of commands, 'nft list
tables' goes into a loop over recvmsg. This is debian stretch with
nftables from backports - version 0.9.0-1~bpo9+1
