Virtual Private Networks and Firewalls

With 'always on' Internet connections, such as Broadband ADSL or Leased Circuits, now implemented in most businesses, there should always be a firewall in place to control inbound intrusion, and outbound access to un-secure sites. Firewalls provide a powerful solution for preventing unauthorised access on to a network. However, in some instances it will be necessary to allow access to a network across the public Internet. A secure way of achieving this is by using a Virtual Private Network (VPN). A VPN allows for encrypted traffic to pass from one point to another via the internet. A tunnel is created between the two points ensuring that the data cannot be read by other users of the internet