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Introduction to VPN Firewalls

VPN Firewalls enable your office LAN (Local Area Network) to securely communicate with other networks that are geographically distant from each other and the Internet via an ISDN or broadband connection (using modems).

Wired or Wireless VPN Firewalls

We offer a choice of wired and wireless VPN firewalls to connect to an Ethernet cabled network or a wireless network. If your office network is a combination of Ethernet and wireless networking, choose a wireless VPN firewall, as this type of device contains an antenna for wireless communication and switch ports for Ethernet connectivity.

VPN Firewalls perform 3 main services:


1 - Protected Internet Access Using a Firewall

The VPN Firewall is the security-conscious device that sits between your network and the outside world. The Firewall is a set of security protocols that protect your business network that prevents Internet users from wandering into your LAN and 'hacking' your network and systems. The Firewall within the VPN Firewall Router is the first line of defence for any network that is connected to the Internet. You should never connect a business network to the Internet without configuring the Firewall features within a router.

Business-class firewall protection includes Denial of Service (DoS) to prevent intruders or hackers continually trying to damage your network, Stateful Packet Inspection (SPI) to look at the contents of data packets entering the network to prevent viruses and content filtering to filter out unwanted information. The VPN Firewall Router will also provide real-time alerts and tracking of unwanted network activity.

2 - Secure Corporate Communications using a VPN (Virtual Private Network)

Many businesses operate across multiple locations, either remote branches or home offices. Each remote location requires access to the corporate network and its resources, typically held at the Head Office. VPN Firewalls enable organisations to create Virtual Private Networks between your head office and remote locations and/or users.

A VPN Firewall and associated remote located software will enable an organisation needs to establish a Virtual Private Network. VPNs may exist between an individual computer (remote home worker) and the corporate LAN, or between two LANs, i.e. a head office and a branch office. VPNs include encryption, strong authentication of remote users or offices and mechanisms for hiding or masking information about the structure and design of the organisations' network from potential hacker attacks.

To illustrate, if two people were speaking in an unknown language in a public place that only they know how to speak. There are plenty of people that can hear you speaking (hackers), but they do not know what you are saying. Similarly, VPNs provide the unknown "language" that is decipherable between two parties, but no one else knows what is being said.

3 - Switching Connectivity

Although VPN Firewalls normally contain a number of switching ports that computers can be directly connected to, larger organisations connect unmanaged or managed switches, which then in turn connect to the individual computers and other devices, such as printers, on the LAN. If you need to connect multiple computers together to form a network or expand an existing network you will probably need one or more switches in addition to a VPN Firewall.


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