Watch ruleset changes live nftables

Atomic backup and restore of ruleset nft list ruleset > /etc/nftables.conf && nft -f /etc/nftables.conf Hardware flowtable offload nft add flowtable inet filter ft '{ hook ingress priority 0 ; devices = { eth0, eth1 } ; }' && nft add rule inet filter forward ct state established flow add @ft Create input chain with drop policy nft add chain inet filter input '{ type filter hook input priority 0 ; policy drop ; }' Named set as IP blocklist nft add set inet filter blocklist '{ type ipv4_addr ; flags interval ; }' && nft add element inet filter blocklist '{ 10.0.0.0/8, 192.0.2.5 }' Verdict map for port dispatch nft add rule inet filter input tcp dport vmap '{ 22 : accept, 80 : accept, 443 : accept, 3306 : drop }'