Add Rules to IPTables

View and Delete IPTable Rules:

http://www.thegeekstuff.com/2010/07/list-and-flush-iptables-rules/

https://www.digitalocean.com/community/tutorials/how-to-list-and-delete-iptables-firewall-rules

Drop traffic from an IP

https://www.linode.com/docs/security/firewalls/control-network-traffic-with-iptables

("I" Insert rule shown below, see link for more rule types)

Copy$ iptables -I INPUT -s 114.80.215.81 -j DROP