Key Fields For Configuring Rules; Action; Service; Source Address - Nortel BSR222 Configuration

174 Chapter 11 Firewall screens
Once these questions have been answered, adding rules is simply a matter of
plugging the information into the correct fields in the WebGUI screens.

Key fields for configuring rules

Action

Set the action to either Block or Forward.

Service

Select the service from the Service scrolling list box. If the service is not listed, it
is necessary to first define it. For more information on predefined services, see
"Predefined services" on page

Source address

What is the connection's source address; is it on the LAN or WAN? Is it a single
IP, a range of IPs, or a subnet?

Destination address

What is the connection's destination address; is it on the LAN or WAN? Is it a
single IP, a range of IPs or a subnet?

Connection direction examples

This section describes examples for firewall rules for connections going from
LAN to WAN and from WAN to LAN.
LAN to LAN/Business Secure Router rules apply to packets coming in through
the LAN interface that are destined for either the Business Secure Router's LAN
interface itself or a different subnet on the LAN. A management session through
NN47922-500
Note: Block means the firewall silently discards the packet.
188.