syntax : netfilter-test <host>
sample : netfilter-test test.gilgil.net
$ sudo ./netfilter-test test.gilgil.net
run-parts: executing /usr/share/netfilter-persistent/plugins.d/15-ip4tables save
run-parts: executing /usr/share/netfilter-persistent/plugins.d/25-ip6tables save
opening library handle
unbinding existing nf_queue handler for AF_INET (if any)
binding nfnetlink_queue as nf_queue handler for AF_INET
binding this socket to queue '0'
setting copy_packet mode
...
pkt received
IP packet_len=52
pkt received
IP packet_len=52
pkt received
IP packet_len=378
Host: test.gilgil.net
Matches drop target, packet dropped
pkt received
IP packet_len=378
Host: test.gilgil.net
Matches drop target, packet dropped
...
^CRestoring Iptable rules
run-parts: executing /usr/share/netfilter-persistent/plugins.d/15-ip4tables start
run-parts: executing /usr/share/netfilter-persistent/plugins.d/25-ip6tables start
Terminating Firewall