libnftnl

Netfilter library providing interface to the nf_tables subsystem

brewmacoslinux

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Netfilter library providing interface to the nf_tables subsystem

libnftnl

Display nftables ruleset in JSON format for parsing$ nft list ruleset -j | jq '.nftables'

Verify libnftnl installation and check library version$ pkg-config --modversion libnftnl

Link C program against libnftnl for nftables manipulation$ gcc -o nft_prog program.c $(pkg-config --cflags --libs libnftnl)