ZyXEL Communications ZyXEL ZyWALL 35 Bedienungsanleitung

ZyWALL 35

Internet Security Appliance

User’s Guide

Version 3.64

3/2005

ZyWALL 35 User’s Guide

The contents of this publication may not be reproduced in any part or as a whole, transcribed,

stored in a retrieval system, translated into any language, or transmitted in any form or by any

means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or

otherwise, without the prior written permission of ZyXEL Communications Corporation.

Disclaimer

ZyXEL does not assume any liability arising out of the application or use of any products, or

software described herein. Neither does it convey any license under its patent rights nor the

patent rights of others. ZyXEL further reserves the right to make changes in any products

described herein without notice. This publication is subject to change without notice.

Trademarks

ZyNOS (ZyXEL Network Operating System) is a registered trademark of ZyXEL

Communications, Inc. Other trademarks mentioned in this publication are used for

identification purposes only and may be properties of their respective owners.

ZyWALL 35 User’s Guide

2 Federal Communications Commission (FCC) Interference Statement

Federal Communications

Commission (FCC) Interference

Statement

This device complies with Part 15 of FCC rules. Operation is subject to the following two

conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including interference that may cause

undesired operations.

This equipment has been tested and found to comply with the limits for a Class B digital

device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable

protection against harmful interference in a commercial environment. This equipment

generates, uses, and can radiate radio frequency energy, and if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications.

If this equipment does cause harmful interference to radio/television reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver

is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Notice 1

Changes or modifications not expressly approved by the party responsible for compliance

could void the user's authority to operate the equipment.

Certifications

Go to www.zyxel.com

1Select your product from the drop-down list box on the ZyXEL home page to go to that

product's page.

2Select the certification you wish to view from this page.

ZyWALL 35 User’s Guide

Safety Warnings 3

Safety Warnings

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

• To reduce the risk of fire, use only No. 26 AWG (American Wire Gauge) or larger

telecommunication line cord.

• 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 can

service the device. Please contact your vendor for further information.

• Use ONLY the dedicated power supply for your device. Connect the power cord or

power adaptor to the right supply voltage (110V AC in North America or 230V AC in

Europe).

• Do NOT use the device if the power supply is damaged as it might cause electrocution.

• If the power supply is damaged, remove it from the power outlet.

• Do NOT attempt to repair the power supply. Contact your local vendor to order a new

power supply.

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

Do NOT allow anything to rest on the power cord and do NOT locate the product where

anyone can walk on the power cord.

• If you wall mount your device, make sure that no electrical, gas or water pipes will be

damaged.

• Do NOT install nor use your device during a thunderstorm. There may be a remote risk of

electric shock from lightning.

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

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

pool.

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

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

device.

• Do NOT store things on the device.

• Connect ONLY suitable accessories to the device.

ZyWALL 35 User’s Guide

4 ZyXEL Limited Warranty

ZyXEL Limited Warranty

ZyXEL warrants to the original end user (purchaser) that this product is free from any defects

in materials or workmanship for a period of up to two years from the date of purchase. During

the warranty period, and upon proof of purchase, should the product have indications of failure

due to faulty workmanship and/or materials, ZyXEL will, at its discretion, repair or replace the

defective products or components without charge for either parts or labor, and to whatever

extent it shall deem necessary to restore the product or components to proper operating

condition. Any replacement will consist of a new or re-manufactured functionally equivalent

product of equal value, and will be solely at the discretion of ZyXEL. This warranty shall not

apply if the product is modified, misused, tampered with, damaged by an act of God, or

subjected to abnormal working conditions.

Note

Repair or replacement, as provided under this warranty, is the exclusive remedy of the

purchaser. This warranty is in lieu of all other warranties, express or implied, including any

implied warranty of merchantability or fitness for a particular use or purpose. ZyXEL shall in

no event be held liable for indirect or consequential damages of any kind of character to the

purchaser.

To obtain the services of this warranty, contact ZyXEL's Service Center for your Return

Material Authorization number (RMA). Products must be returned Postage Prepaid. It is

recommended that the unit be insured when shipped. Any returned products without proof of

purchase or those with an out-dated warranty will be repaired or replaced (at the discretion of

ZyXEL) and the customer will be billed for parts and labor. All repaired or replaced products

will be shipped by ZyXEL to the corresponding return address, Postage Paid. This warranty

gives you specific legal rights, and you may also have other rights that vary from country to

country.

Safety Warnings

1To reduce the risk of fire, use only No. 26 AWG or larger telephone wire.

2Do not use this product near water, for example, in a wet basement or near a swimming

pool.

3Avoid using this product during an electrical storm. There may be a remote risk of

electric shock from lightening.

ZyWALL 35 User’s Guide

Customer Support 5

Customer Support

Please have the following information ready when you contact customer support.

• Product model and serial number.

• Warranty Information.

• Date that you received your device.

• Brief description of the problem and the steps you took to solve it.

METHOD

LOCATION

SUPPORT E-MAIL TELEPHONEAWEB SITE

REGULAR MAIL

SALES E-MAIL FAX FTP SITE

WORLDWIDE

[email protected] +886-3-578-3942 www.zyxel.com

www.europe.zyxel.com

ZyXEL Communications Corp.

6 Innovation Road II

Science Park

Hsinchu 300

Taiwa n

[email protected] +886-3-578-2439 ftp.zyxel.com

ftp.europe.zyxel.com

NORTH

AMERICA

[email protected] +1-800-255-4101

+1-714-632-0882

www.us.zyxel.com ZyXEL Communications Inc.

1130 N. Miller St.

Anaheim

CA 92806-2001

U.S.A.

[email protected] +1-714-632-0858 ftp.us.zyxel.com

GERMANY

[email protected] +49-2405-6909-0 www.zyxel.de ZyXEL Deutschland GmbH.

Adenauerstr. 20/A2 D-52146

Wuerselen

Germany

[email protected] +49-2405-6909-99

FRANCE

[email protected] +33 (0)4 72 52 97 97 www.zyxel.fr Z y X E L Franc e

1 rue des Vergers

Bat. 1 / C

69760 Limonest

France

+33 (0)4 72 52 19 20

SPAIN

[email protected] +34 902 195 420 www.zyxel.es Z y X E L C o m m u n i c a t i o n s

A l e j a n d r o V i l l e g a s 3 3

1 º , 2 8 0 4 3 M a d r i d

Spain

[email protected] +34 913 005 345

DENMARK

[email protected] +45 39 55 07 00 www.zyxel.dk Z y X E L C o m m u n i c a t i o n s A / S

Columbu sve j 5

2860 Soeborg

Denmark

[email protected] +45 39 55 07 07

NORWAY

[email protected] +47 22 80 61 80 www.zyxel.no Z y X E L C o m m u n i c a t i o n s A / S

Nils Hansens vei 13

0667 Oslo

Norway

[email protected] +47 22 80 61 81

SWEDEN

[email protected] +46 31 744 7700 www.zyxel.se ZyXEL Communications A/S

Sjöporten 4, 41764 Göteborg

Sweden

[email protected] +46 31 744 7701

FINLAND

[email protected] +358-9-4780-8411 www.zyxel.fi Z y X E L C o m m u n i c a t i o n s O y

Malminkaari 10

00700 Helsinki

Finland

[email protected] +358-9-4780 8448

a. “+” is the (prefix) number you enter to make an international telephone call.

ZyWALL 35 User’s Guide

6 Customer Support

ZyWALL 35 User’s Guide

Table of Contents

Copyright .................................................................................................................. 1

Federal Communications Commission (FCC) Interference Statement ............... 2

Safety Warnings ....................................................................................................... 3

ZyXEL Limited Warranty.......................................................................................... 4

Customer Support.................................................................................................... 5

Preface .................................................................................................................... 45

Chapter 1

Getting to Know Your ZyWALL ............................................................................. 47

1.1 ZyWALL 35 Internet Security Appliance Overview .............................................47

1.2 ZyWALL Features ..............................................................................................47

1.2.1 Physical Features .....................................................................................47

1.2.2 Non-Physical Features .............................................................................49

1.3 Applications for the ZyWALL ..............................................................................54

1.3.1 Secure Broadband Internet Access via Cable or DSL Modem .................54

1.3.2 VPN Application ........................................................................................54

1.3.3 Front Panel LEDs .....................................................................................55

Chapter 2

Introducing the Web Configurator........................................................................ 57

2.1 Web Configurator Overview ...............................................................................57

2.2 Accessing the ZyWALL Web Configurator .........................................................57

2.3 Resetting the ZyWALL .......................................................................................58

2.3.1 Procedure To Use The Reset Button ........................................................59

2.3.2 Uploading a Configuration File Via Console Port .....................................59

2.4 Navigating the ZyWALL Web Configurator ........................................................60

2.4.1 Router Mode .............................................................................................60

2.4.2 Bridge Mode .............................................................................................62

2.4.3 Navigation Panel .......................................................................................64

2.4.4 System Statistics .......................................................................................67

2.4.4.1 Show Statistics: Line Chart .............................................................68

2.4.5 DHCP Table Screen .................................................................................69

2.4.6 VPN Status ...............................................................................................70

ZyWALL 35 User’s Guide

Chapter 3

Wizard Setup .......................................................................................................... 73

3.1 Wizard Setup Overview ......................................................................................73

3.2 Internet Access .................................................................................................73

3.2.1 ISP Parameters ........................................................................................73

3.2.1.1 Ethernet ...........................................................................................73

3.2.1.2 PPPoE Encapsulation .....................................................................75

3.2.1.3 PPTP Encapsulation .......................................................................76

3.2.2 Internet Access Wizard Setup Complete ..................................................78

3.3 VPN Wizard ........................................................................................................79

3.3.1 Network Setting ........................................................................................80

3.3.2 IKE Tunnel Setting (IKE Phase 1) ............................................................82

3.3.3 IPSec Setting (IKE Phase 2) .....................................................................84

3.3.4 VPN Status Summary ...............................................................................85

3.3.5 VPN Wizard Setup Complete ...................................................................87

Chapter 4

LAN Screens........................................................................................................... 89

4.1 LAN Overview ....................................................................................................89

4.2 DHCP Setup .......................................................................................................89

4.2.1 IP Pool Setup ............................................................................................89

4.3 LAN TCP/IP ........................................................................................................89

4.3.1 Factory LAN Defaults ................................................................................89

4.3.2 IP Address and Subnet Mask ...................................................................90

4.3.3 RIP Setup .................................................................................................90

4.3.4 Multicast ....................................................................................................91

4.4 DNS Servers ......................................................................................................91

4.5 Configuring LAN .................................................................................................91

4.6 Configuring Static DHCP ....................................................................................93

4.7 Configuring IP Alias ............................................................................................94

4.8 Configuring Port Roles .......................................................................................96

Chapter 5

Bridge Screens....................................................................................................... 99

5.1 Bridge Loop ........................................................................................................99

5.2 Spanning Tree Protocol (STP) ...........................................................................99

5.2.1 Rapid STP ..............................................................................................100

5.2.2 STP Terminology ....................................................................................100

5.2.3 How STP Works .....................................................................................100

5.2.4 STP Port States ......................................................................................101

5.3 Configuring Bridge ...........................................................................................101

5.4 Configuring Port Roles .....................................................................................103

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