IPv6 Plug and Play Business Firewall Design Based on Iptables, Nettop and Linux

Due to the increasing threat of network attacks, Firewall has become crucial elements in network security, and have been widely deployed in most businesses and institutions for securing private networks. A Conventional Business firewall is a robust system with a great capacity to manage security and access to other networks, especially the Internet, but is robust in size and requires a large investment by the company that requires it, about $2000USD and only large organizations have the ability to invest in it. The design of an IPv6 Plug and Play business firewall based on Iptables, Nettop and Linux is much smaller in size, but creates a big impact in the productivity and security of the network business for about $400 USD budget. When device is connected will not require reconfiguration of the local network and clients, and also the device can work as proxy mode, router mode, DHCP server, DNS server and other capabilities. In order to improve security and performance, modern enterprises have to deploy and manage their own firewalls.