1 iptables -t filter -A INPUT -j NFLOG
2 iptables -t filter -A INPUT -j NFLOG --nflog-group 1
3 iptables -t filter -A INPUT -j NFLOG --nflog-prefix 'foo;bar'
4 iptables -t filter -A INPUT -j NFLOG --nflog-prefix foo{}bar
5 iptables -t filter -A INPUT -j NFLOG --nflog-range 100
6 iptables -t filter -A INPUT -j NFLOG --nflog-threshold 200