ZyXEL Communications Unified Security Gateway ZyWALL 300 User manual

www.zyxel.com
ZyWALL USG 300
Unified Security Gateway
User’s Guide
Version 2.11
11/2008
Edition 1
DEFAULT LOGIN
LAN Port 1
IP Address http://192.168.1.1
User Name admin
Password 1234

About This User's Guide
ZyWALL USG 300 User’s Guide 3
About This User's Guide
Intended Audience
This manual is intended for people who want to want to configure the ZyWALL using the
Web Configurator.
How To Use This Guide
•ReadChapter 1 on page 53 chapter for an overview of features available on the ZyWALL.
•ReadChapter 3 on page 65 for web browser requirements and an introduction to the main
components, icons and menus in the ZyWALL Web Configurator.
•ReadChapter 4 on page 75 if you’re using the wizards for first time setup and you want
more detailed information than what the real time online help provides.
• It is highly recommended you read Chapter 5 on page 107 for detailed information on
essential terms used in the ZyWALL, what prerequisites are needed to configure a feature
and how to use that feature.
• It is highly recommended you read Chapter 6 on page 123 for ZyWALL application
examples.
• Subsequent chapters are arranged by menu item as defined in the Web Configurator. Read
each chapter carefully for detailed information on that menu item.
• To find specific information in this guide, use the Contents Overview, the Table of
Contents, the Index, or search the PDF file. E-mail [email protected] if you
cannot find the information you require.
Related Documentation
• Quick Start Guide
The Quick Start Guide is designed to show you how to make the ZyWALL hardware
connections, rack mounting and access the Web Configurator wizards. (See the wizard
real time help for information on configuring each screen.) It contains a connection
diagram, default settings, handy checklists and information on setting up your network
and configuring for Internet access.
• CLI Reference Guide
The CLI Reference Guide explains how to use the Command-Line Interface (CLI) to
configure the ZyWALL.
"It is recommended you use the Web Configurator to configure the ZyWALL.
• Web Configurator Online Help
Click the help icon in any screen for help in configuring that screen and supplementary
information.
• Supporting Disc

About This User's Guide
ZyWALL USG 300 User’s Guide
4
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]
Disclaimer
Graphics in this book may differ slightly from the product due to differences in operating
systems, operating system versions, or if you installed updated firmware/software for your
device. Every effort has been made to ensure that the information in this manual is accurate.

Document Conventions
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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 USG 300 may be referred to as the “ZyWALL”, the “device”, the “system”
or the “product” 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 USG 300 User’s Guide
6
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
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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 it 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 device and the power source.
• 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.

Safety Warnings
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8
This product is recyclable. Dispose of it properly.

Contents Overview
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Contents Overview
Getting Started .......................................................................................................................51
Introducing the ZyWALL ............................................................................................................ 53
Features and Applications ......................................................................................................... 57
Web Configurator ....................................................................................................................... 65
Wizard Setup ............................................................................................................................. 75
Configuration Basics ................................................................................................................107
Tutorials ................................................................................................................................... 123
Status .......................................................................................................................................151
Registration ............................................................................................................................. 165
Signature Update ..................................................................................................................... 171
Network .................................................................................................................................177
Interface ................................................................................................................................... 179
Trunks ...................................................................................................................................... 243
Policy and Static Routes .......................................................................................................... 251
Routing Protocols .................................................................................................................... 261
Zones .......................................................................................................................................273
DDNS ...................................................................................................................................... 277
Virtual Servers ......................................................................................................................... 283
HTTP Redirect ........................................................................................................................295
ALG .........................................................................................................................................299
IP/MAC Binding .................................................................................................................. 307
Firewall ..................................................................................................................................313
Firewall .................................................................................................................................... 315
VPN ........................................................................................................................................331
IPSec VPN ............................................................................................................................... 333
SSL VPN ................................................................................................................................. 367
SSL User Screens ................................................................................................................... 377
SSL User Application Screens ................................................................................................ 383
SSL User File Sharing ............................................................................................................. 385
L2TP VPN ................................................................................................................................ 391
L2TP VPN Example ................................................................................................................. 395
Application Patrol ................................................................................................................421
Application Patrol ..................................................................................................................... 423

Contents Overview
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10
Anti-X ....................................................................................................................................447
Anti-Virus ................................................................................................................................. 449
IDP .......................................................................................................................................... 463
ADP ........................................................................................................................................ 493
Content Filtering ......................................................................................................................511
Content Filter Reports ............................................................................................................. 533
Anti-Spam ................................................................................................................................ 541
Device HA .............................................................................................................................555
Device HA ............................................................................................................................... 557
Objects ..................................................................................................................................573
User/Group .............................................................................................................................. 575
Addresses ............................................................................................................................... 589
Services ...................................................................................................................................595
Schedules ................................................................................................................................ 601
AAA Server ............................................................................................................................. 607
Authentication Method ............................................................................................................. 617
Certificates ............................................................................................................................... 621
ISP Accounts ........................................................................................................................... 639
SSL Application ....................................................................................................................... 643
System ..................................................................................................................................649
System ................................................................................................................................... 651
Maintenance, Troubleshooting, & Specifications .............................................................693
File Manager ...........................................................................................................................695
Logs ........................................................................................................................................ 705
Reports ................................................................................................................................... 717
Diagnostics ............................................................................................................................. 731
Reboot .....................................................................................................................................733
Troubleshooting ....................................................................................................................... 735
Product Specifications ............................................................................................................. 739
Appendices and Index .........................................................................................................745