Chapter 1 - Introduction | 1 |
Chapter 1 - Introduction
About the MicroRouter 1220i
Congratulations on your purchase of the MicroRouter 1220i multiport wide area router. The MicroRouter 1220i supports the IP and IPX network protocols, with
A Note About Firewalls
The MicroRouter 1220i can be configured to be a very effective packet screening firewall. However, you must carefully set up your network and add packet filters in order for it to be effective in this role.
THE SHIPPING CONFIGURATION IN YOUR MICROROUTER 1220i DOES NOT PROVIDE AUTOMATIC FIREWALL PROTEC-
TION. YOU MUST FIRST PROGRAM YOUR ROUTER TO WORK IN THIS ROLE ON YOUR NETWORK.
Note: Due to the nature of the IP protocol, IP packet filtering can vbe quite complicated. If you are attempting to design and implement a comprehensive set of filters, or an Internet Firewall, there are a number of references you should consult. Two good starting points are:
Building Internet Firewalls, by Brent Chapman, O’Reilly and Associates, 1995, and Firewalls and Internet Security: Repelling the Wily Hacker, by William R. Cheswick and Steven M. Bellovin,
A Note About
The MicroRouter 1220i can be configured to provide cost effective
THE SHIPPING CONFIGURATION IN YOUR MICROROUTER 1220i DOES NOT PROVIDE AUTOMATIC
NETWORKING. YOU MUST FIRST PROGRAM YOUR ROUTER TO WORK IN THIS ROLE ON YOUR NETWORK.
YOU SHOULD CAREFULLY MONITOR PHONE LINE USAGE TO