Firewall and VPN Technology

Corporations and organizations world-wide hinge on Firewall and VPN technologies for safeguarding their crucial resources and information while sharing their services on the Internet. This review paper briefly describes the types of firewall technologies and the VPN technologies along with the detailed working of the firewall and VPN technology. Firewall technology is used mainly to block or allow connections to applications hosted by corporations or organizations while VPN technology is used for secure communications between organizations located at several destinations across the world.