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ZyWALL (ZLD) CLI Reference Guide

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CHAPTER 26

Addresses

This chapter describes how to set up addresses and address groups for the ZyWALL.

26.1 Address Overview

Address objects can represent a single IP address or a range of IP addresses. Address groups

are composed of address objects and other address groups.

You can create IP address objects based on an interface’s IP address, subnet, or gateway. The

ZyWALL automatically updates these objects whenever the interface’s IP address settings

change. This way every rule or setting that uses the object uses the updated IP address settings.

For example, if you change the LAN1 interface’s IP address, the ZyWALL automatically

updates the corresponding interface-based, LAN1 subnet address object. So any configuration

that uses the LAN1 subnet address object is also updated.

Address objects and address groups are used in dynamic routes, firewall rules, application

patrol, content filtering, and VPN connection policies. For example, addresses are used to

specify where content restrictions apply in content filtering. Please see the respective sections

for more information about how address objects and address groups are used in each one.

Address groups are composed of address objects and address groups. The sequence of

members in the address group is not important.

26.2 Address Commands Summary

The following table describes the values required for many address object and address group

commands. Other values are discussed with the corresponding commands.

Table 136 Input Values for Address Commands

LABEL DESCRIPTION

object_name The name of the address. You may use 1-31 alphanumeric characters,

underscores(

_), or dashes (-), but the first character cannot be a number. This

value is case-sensitive.

group_name The name of the address group. You may use 1-31 alphanumeric characters,

underscores(

_), or dashes (-), but the first character cannot be a number. This

value is case-sensitive.

interface_name The name of the interface. This depends on the ZyWALL model.

For the USG 300 and above, use gex, x = 1 ~ N, where N equals the highest

numbered Ethernet interface for your ZyWALL model.

For the ZyWALL USG 100 and 200 models, use a name such as wan1, wan2,

opt, lan1, ext-wlan, or dmz.

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ZyXEL Communications ZYWALL 1050 - V2.00 EDITION 1 Podręcznik Użytkownika Strona 241