Object; Zones Overview; What You Need To Know; Chapter 32 Object - ZyXEL Communications USG40 User Manual

32.1 Zones Overview

Set up zones to configure network security and network policies in the ZyWALL/USG. A zone is a
group of interfaces and/or VPN tunnels. The ZyWALL/USG uses zones instead of interfaces in many
security and policy settings, such as Secure Policies rules, UTM Profile, and remote management.
Zones cannot overlap. Each Ethernet interface, VLAN interface, bridge interface, PPPoE/PPTP
interface and VPN tunnel can be assigned to at most one zone. Virtual interfaces are automatically
assigned to the same zone as the interface on which they run.
Figure 339 Example: Zones
Use the Zone screens (see

32.1.1 What You Need to Know

Zones effectively divide traffic into three types--intra-zone traffic, inter-zone traffic, and extra-zone
traffic.
Intra-zone Traffic
• Intra-zone traffic is traffic between interfaces or VPN tunnels in the same zone. For example, in
Figure 339 on page
C
Section 32.7.2 on page
516, traffic between VLAN 2 and the Ethernet is intra-zone traffic.
ZyWALL/USG Series User's Guide
516
HAPTER
563) to manage the ZyWALL/USG's zones.
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