ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual
Page 160
ZyWALL 2 Series User’s Guide
11-4
Firewall
Screens
policies for managing the ZyWALL through the LAN interface) and policies for LAN-to-LAN (the policies
that control routing between two subnets on the LAN). Similarly, WAN to WAN/ZyWALL polices apply in
the same way to the WAN ports.
11.4.1 LAN to WAN Rules
The default rule for LAN to WAN traffic is that all users on the LAN are allowed non-restricted access to the
WAN. When you configure a LAN to WAN rule, you in essence want to limit some or all users from
accessing certain services on the WAN. See the following figure.
Figure 11-1 LAN to WAN Traffic
11.4.2 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.
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