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Configuring firewall, 5 configuring firewall – ZyXEL Communications ZyXEL ZyAIR 100 User Manual

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ZyWALL 10~100 Series Internet Security Gateway

Firewall Screens

12-5

12.4.2 WAN to LAN Rules

The default rule for WAN to LAN traffic blocks all incoming connections (WAN to LAN). If you wish to
allow certain WAN users to have access to your LAN, you will need to create custom rules to allow it.

See the following figure.

Figure 12-2 WAN to LAN Traffic

12.5 Configuring Firewall

The ordering of your rules is very important as rules are applied in turn.

Click FIREWALL to open the Summary screen. Enable (or activate) the firewall by selecting the Enable
Firewall
check box as seen in the following screen.