Firewall Screens; Access Methods; Firewall Policies Overview - Nortel BSR252 Configuration - Basics

Chapter 11

Firewall screens

This chapter shows you how to configure your Business Secure Router firewall.

Access methods

The WebGUI is, by far, the most comprehensive firewall configuration tool your
Business Secure Router has to offer. For this reason, Nortel recommends that you
configure your firewall using the WebGUI. With SMT screens, you can activate
the firewall. CLI commands provide limited configuration options and are only
recommended for advanced users, refer to Nortel Business Secure Router 252
Configuration — Advanced (NN47923-501) for firewall CLI commands.

Firewall policies overview

Firewall rules are grouped based on the direction of travel of packets to which
they apply:
LAN to LAN/Business Secure Router
LAN to WAN
By default, Business Secure Router stateful packet inspection allows packets
traveling in the following directions:
•
•
LAN to LAN/Business Secure Router
This allows computers on the LAN to manage the Business Secure Router and
communicate between networks or subnets connected to the LAN interface.
LAN to WAN
Nortel Business Secure Router 252 Configuration — Basics
WAN to LAN
WAN to WAN/Business Secure Router
169