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Chapter 6 Configuration Basics
ZyWALL USG 1000 User’s Guide
107
6.5.8 Zones
See Section 6.2 on page 96 for background information. A zone is a group of
interfaces and VPN tunnels. The ZyWALL uses zones, not interfaces, in many
security settings, such as firewall rules and remote management.
Zones cannot overlap. Each 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. When you create a zone, the ZyWALL does not create
any firewall rules, assign an IDP profile, or configure remote management for the
new zone.
Example: For example, to create the DMZ-2 zone and add ge7, click Network >
Zone and then the Add icon.
6.5.9 DDNS
Dynamic DNS maps a domain name to a dynamic IP address. The ZyWALL helps
maintain this mapping.
6.5.10 NAT
Use Network Address Translation (NAT) to make computers on a private network
behind the ZyWALL available outside the private network.
The ZyWALL only checks regular (through-ZyWALL) firewall rules for packets that
are redirected by NAT, it does not check the to-ZyWALL firewall rules.
Example: Suppose you have an FTP server with a private IP address connected to
a DMZ port. You could configure a NAT rule to forwards FTP sessions from the
WAN to the DMZ.
PREREQUISITES
Interfaces
MENU ITEM(S)
Configuration > Network > Zone
PREREQUISITES
Interfaces, IPSec VPN, SSL VPN
WHERE USED
Firewall, IDP, remote management, anti-virus, ADP, application patrol
MENU ITEM(S)
Configuration > Network > DDNS
PREREQUISITES
Interface
MENU ITEM(S)
Configuration > Network > NAT
PREREQUISITES
Interfaces, addresses (HOST)