Nftables

Install

• apt-get install nftables

Create a basic IPv4 table

• nft add table inet filter

List that table

• nft list table inet filter

table inet filter {
}

Create a chain for input traffic IPv4

• nft add chain inet filter input { type filter hook input priority 0\; }

A rule to check that all is fine (IPv4)

• nft add rule inet filter input counter accept