``` iptables -A INPUT -s 192.168.1.42 -j DROP iptables -A OUTPUT -s 192.168.1.42 -j DROP ``` ![saywhatagain.jpeg](https://cdn.10centuries.org/p7E6pB/8554c8de1ab9b8aff21a746143988e5e.jpeg)

iptables -A INPUT -s 192.168.1.42 -j DROP
iptables -A OUTPUT -s 192.168.1.42 -j DROP

2016-10-14T15:53:05Z