The InterJet® II includes a comprehensive firewall that helps protect your network and its sensitive data from the outside world. The InterJet firewall is designed to allow information to pass through it if a computer on your network initiated the request for information. Just like a one way mirror, people inside the firewall can see out, but those on the outside are not authorized to see in.

The InterJet provides several different levels of security. Each of these security features is pre-configured for your peace of mind. 

• Packet Filtering looks at each packet of data entering or leaving the network and accepts or rejects it based on a strict set of rules.
• Network Address Translation (NAT) is the process by which all IP (Internet Protocol) addresses for the computers on your Local Area Network (LAN) are mapped to a single IP address. That is, when an internal computer sends data to a computer outside your office, the IP address that accompanies the data (source address) is changed to the InterJet's IP address. To a hacker on the Internet, it seems as if all requests are emanating from one computer, thereby discouraging them from performing further probing.
• Split Internet Services means that each service (DNS, FTP, HTTP, SMTP, POP) has separate internal and external services. This makes your office more secure because it only allows external computers to send requests to the servers running on the external side of the firewall and does not authorize them to access information from any of the internal servers.

  

  The InterJet firewall separates your Office Network from the outside world

 

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