Cybersecurity-Projects/PROJECTS/beginner/firewall-rule-engine/testdata/nftables_basic.rules

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table inet filter {
chain input {
type filter hook input priority 0; policy drop;
iifname "lo" accept
ct state established,related accept
ct state invalid drop
tcp dport 22 accept
tcp dport 80 accept
tcp dport 443 accept
icmp type echo-request accept
log prefix "DROPPED: " drop
}
chain forward {
type filter hook forward priority 0; policy drop;
}
chain output {
type filter hook output priority 0; policy accept;
}
}