ZyXEL Communications 5 Series Bedienungsanleitung

www.zyxel.com

ZyWALL 5/35/70 Series

Internet Security Appliance

User’s Guide

Version 4.04

03/2008

Edition 1

DEFAULT LOGIN

IP Address http://192.168.1.1

Password 1234

About This User's Guide

ZyWALL 5/35/70 Series User’s Guide 3

About This User's Guide

Intended Audience

This manual is intended for people who want to configure the ZyWALL using the web

configurator or System Management Terminal (SMT). You should have at least a basic

knowledge of TCP/IP networking concepts and topology.

Related Documentation

• Quick Start Guide

The Quick Start Guide is designed to help you get up and running right away. It contains

information on setting up your network and configuring for Internet access.

• Web Configurator Online Help

Embedded web help for descriptions of individual screens and supplementary

information.

• CLI Reference Guide

The CLI Reference Guide explains how to use the Command-Line Interface (CLI) to

configure the ZyWALL.

• Supporting Disk

Refer to the included CD for support documents.

• ZyXEL Web Site

Please refer to www.zyxel.com for additional support documentation and product

certifications.

User Guide Feedback

Help us help you. Send all User Guide-related comments, questions or suggestions for

improvement to the following address, or use e-mail instead. Thank you!

The Technical Writing Team,

ZyXEL Communications Corp.,

6 Innovation Road II,

Science-Based Industrial Park,

Hsinchu, 300, Taiwan.

E-mail: [email protected]

Document Conventions

ZyWALL 5/35/70 Series User’s Guide

Document Conventions

Warnings and Notes

These are how warnings and notes are shown in this User’s Guide.

1Warnings tell you about things that could harm you or your device.

"Notes tell you other important information (for example, other things you may

need to configure or helpful tips) or recommendations.

Syntax Conventions

• The ZyWALL 5/35/70 series may be referred to as the “ZyWALL”, the “device” or the

“system” in this User’s Guide.

• Product labels, screen names, field labels and field choices are all in bold font.

• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER]

means the “enter” or “return” key on your keyboard.

• “Enter” means for you to type one or more characters and then press the [ENTER] key.

“Select” or “choose” means for you to use one of the predefined choices.

• A right angle bracket ( > ) within a screen name denotes a mouse click. For example,

Maintenance > Log > Log Setting means you first click Maintenance in the navigation

panel, then the Log sub menu and finally the Log Setting tab to get to that screen.

• Units of measurement may denote the “metric” value or the “scientific” value. For

example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000”

or “1048576” and so on.

• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.

Document Conventions

ZyWALL 5/35/70 Series User’s Guide 5

Icons Used in Figures

Figures in this User’s Guide may use the following generic icons. The ZyWALL icon is not an

exact representation of your device.

ZyWALL Computer Notebook computer

Server Firewall Telephone

Switch Router

Safety Warnings

ZyWALL 5/35/70 Series User’s Guide

Safety Warnings

1For your safety, be sure to read and follow all warning notices and instructions.

• Do NOT use this product near water, for example, in a wet basement or near a swimming

pool.

• Do NOT expose your device to dampness, dust or corrosive liquids.

• Do NOT store things on the device.

• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk

of electric shock from lightning.

• Connect ONLY suitable accessories to the device.

• Do NOT open the device or unit. Opening or removing covers can expose you to

dangerous high voltage points or other risks. ONLY qualified service personnel should

service or disassemble this device. Please contact your vendor for further information.

• Make sure to connect the cables to the correct ports.

• Place connecting cables carefully so that no one will step on them or stumble over them.

• Always disconnect all cables from this device before servicing or disassembling.

• Use ONLY an appropriate power adaptor or cord for your device.

• Connect the power adaptor or cord to the right supply voltage (for example, 110V AC in

North America or 230V AC in Europe).

• Do NOT remove the plug and connect it to a power outlet by itself; always attach the plug

to the power adaptor first before connecting it to a power outlet.

• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the

product where anyone can walk on the power adaptor or cord.

• Do NOT use the device if the power adaptor or cord is damaged as it might cause

electrocution.

• If the power adaptor or cord is damaged, remove it from the power outlet.

• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a

new one.

• Do not use the device outside, and make sure all the connections are indoors. There is a

remote risk of electric shock from lightning.

• CAUTION: RISK OF EXPLOSION IF BATTERY (on the motherboard) IS REPLACED

BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO

THE INSTRUCTIONS. Dispose them at the applicable collection point for the recycling

of electrical and electronic equipment. For detailed information about recycling of this

product, please contact your local city office, your household waste disposal service or the

store where you purchased the product.

• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your

device.

• Fuse Warning! Replace a fuse only with a fuse of the same type and rating.

Safety Warnings

ZyWALL 5/35/70 Series User’s Guide 7

This product is recyclable. Dispose of it properly.

Safety Warnings

ZyWALL 5/35/70 Series User’s Guide

Contents Overview

ZyWALL 5/35/70 Series User’s Guide 9

Contents Overview

Introduction ............................................................................................................................49

Getting to Know Your ZyWALL .................................................................................................. 51

Hardware Installation ................................................................................................................. 55

Introducing the Web Configurator .............................................................................................. 61

Wizard Setup ............................................................................................................................. 87

Tutorials ................................................................................................................................... 109

Registration Screens ............................................................................................................... 141

Network .................................................................................................................................147

LAN Screens ........................................................................................................................... 149

Bridge Screens ........................................................................................................................ 161

WAN Screens .......................................................................................................................... 169

DMZ Screens ........................................................................................................................... 207

WLAN Screens ........................................................................................................................219

Wireless Screens ..................................................................................................................... 229

Security .................................................................................................................................249

Firewall Screens ...................................................................................................................... 251

Intrusion Detection and Prevention (IDP) Screens ................................................................. 277

Anti-Virus Screens ................................................................................................................... 299

Anti-Spam Screens .................................................................................................................. 313

Content Filtering Screens ........................................................................................................327

Content Filtering Reports .........................................................................................................349

IPSec VPN ............................................................................................................................... 357

Certificates ............................................................................................................................... 399

Authentication Server Screens ................................................................................................ 427

Advanced ..............................................................................................................................433

Network Address Translation (NAT) ........................................................................................ 435

Static Route Screens ............................................................................................................... 451

Policy Route Screens .............................................................................................................. 457

Bandwidth Management Screens ............................................................................................ 465

DNS Screens ........................................................................................................................... 479

Remote Management Screens ................................................................................................491

UPnP Screens .........................................................................................................................519

Custom Application Screen ..................................................................................................... 529

ALG Screen ............................................................................................................................. 531

Contents Overview

ZyWALL 5/35/70 Series User’s Guide

Reports, Logs and Maintenance .........................................................................................537

Reports Screens ...................................................................................................................... 539

Logs Screens .......................................................................................................................... 555

Maintenance Screens ..............................................................................................................585

SMT .......................................................................................................................................603

Introducing the SMT ................................................................................................................ 605

SMT Menu 1 - General Setup .................................................................................................. 613

WAN and Dial Backup Setup ................................................................................................... 619

LAN Setup ............................................................................................................................... 633

Internet Access ........................................................................................................................ 639

DMZ Setup .............................................................................................................................. 645

Route Setup ............................................................................................................................. 649

Wireless Setup ........................................................................................................................ 653

Remote Node Setup ................................................................................................................ 659

IP Static Route Setup ..............................................................................................................669

Network Address Translation (NAT) ........................................................................................ 673

Introducing the ZyWALL Firewall ............................................................................................. 693

Filter Configuration .................................................................................................................. 695

SNMP Configuration .................................................................................................................711

System Information & Diagnosis ............................................................................................. 713

Firmware and Configuration File Maintenance ........................................................................ 725

System Maintenance Menus 8 to 10 ....................................................................................... 739

Remote Management ..............................................................................................................745

IP Policy Routing ..................................................................................................................... 749

Call Scheduling ........................................................................................................................ 757

Troubleshooting and Product Specifications ...................................................................761

Troubleshooting ....................................................................................................................... 763

Product Specifications ............................................................................................................. 769

Appendices and Index .........................................................................................................779

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