ZyXEL Communications Unified Security Gateway ZyWALL 300 User manual

www.zyxel.com
www.zyxel.com
ZyWALL USG 300
Unified Security Gateway
Copyright © 2009
ZyXEL Communications Corporation
Firmware Version 2.12
Edition 1, 6/2009
Default Login Details
LAN Port P1
IP Address https://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 31 chapter for an overview of features available on the
ZyWALL.
•ReadChapter 3 on page 43 for web browser requirements and an introduction
to the main components, icons and menus in the ZyWALL web configurator.
•ReadChapter 4 on page 55 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 81 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 99 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
[e-mail] if you cannot find the information you require.
Related Documentation
•QuickStartGuide
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.
•CLIReferenceGuide
The CLI Reference Guide explains how to use the Command-Line Interface (CLI)
to configure the ZyWALL.
Note: It is recommended you use the web configurator to configure the ZyWALL.

About This User's Guide
ZyWALL USG 300 User’s Guide
4
• Web Configurator Online Help
Click the help icon in any screen for help in configuring that screen and
supplementary information.
• Support Disc
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]om.tw
Need More Help?
More help is available at www.zyxel.com.
• Download Library
Search for the latest product updates and documentation from this link. Read
the Tech Doc Overview to find out how to efficiently use the User Guide, Quick
Start Guide and Command Line Interface Reference Guide in order to better
understand how to use your product.
• Knowledge Base
If you have a specific question about your product, the answer may be here.
This is a collection of answers to previously asked questions about ZyXEL
products.

About This User's Guide
ZyWALL USG 300 User’s Guide 5
•Forum
This contains discussions on ZyXEL products. Learn from others who use ZyXEL
products and share your experiences as well.
Customer Support
Should problems arise that cannot be solved by the methods listed above, you
should contact your vendor. If you cannot contact your vendor, then contact a
ZyXEL office for the region in which you bought the device.
See http://www.zyxel.com/web/contact_us.php for contact information. Please
have the following information ready when you contact an office.
• Product model and serial number.
•WarrantyInformation.
• Date that you received your device.
• Brief description of the problem and the steps you took to solve it.
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
ZyWALL USG 300 User’s Guide
6
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
Warnings tell you about things that could harm you or your
device.
Note: Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The ZyWALL 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 7
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 USG 300 User’s Guide
8
Safety Warnings
• 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.
Your product is marked with this symbol, which is known as the WEEE mark. WEEE
stands for Waste Electronics and Electrical Equipment. It means that used electrical
and electronic products should not be mixed with general waste. Used electrical and
electronic equipment should be treated separately.

Contents Overview
ZyWALL USG 300 User’s Guide 9
Contents Overview
Getting Started .......................................................................................................................29
Introducing the ZyWALL ............................................................................................................ 31
Features and Applications ......................................................................................................... 35
Web Configurator ....................................................................................................................... 43
Wizard Setup ............................................................................................................................. 55
Configuration Basics .................................................................................................................. 81
Tutorials ..................................................................................................................................... 99
Status ....................................................................................................................................... 145
Registration ............................................................................................................................. 161
Signature Update .....................................................................................................................167
Network .................................................................................................................................175
Interfaces .................................................................................................................................177
Trunks ...................................................................................................................................... 249
Policy and Static Routes .......................................................................................................... 259
Routing Protocols .................................................................................................................... 273
Zones ....................................................................................................................................... 285
DDNS ...................................................................................................................................... 289
Virtual Servers .........................................................................................................................297
HTTP Redirect ........................................................................................................................ 313
ALG ......................................................................................................................................... 317
IP/MAC Binding ...................................................................................................................... 325
Firewall ..................................................................................................................................331
Firewall .................................................................................................................................... 333
VPN ........................................................................................................................................351
IPSec VPN ............................................................................................................................... 353
SSL VPN ................................................................................................................................. 395
SSL User Screens ................................................................................................................... 407
SSL User Application Screens ................................................................................................417
SSL User File Sharing .............................................................................................................419
ZyWALL SecuExtender ...........................................................................................................427
L2TP VPN ................................................................................................................................431
L2TP VPN Example .................................................................................................................437

Contents Overview
ZyWALL USG 300 User’s Guide
10
Application Patrol ................................................................................................................465
Application Patrol ..................................................................................................................... 467
Anti-X ....................................................................................................................................493
Anti-Virus ................................................................................................................................. 495
IDP ...........................................................................................................................................511
ADP ........................................................................................................................................545
Content Filtering ..................................................................................................................... 565
Content Filter Reports .............................................................................................................591
Anti-Spam ................................................................................................................................ 599
Device HA .............................................................................................................................617
Device HA .............................................................................................................................. 619
Objects ..................................................................................................................................637
User/Group ..............................................................................................................................639
Addresses ............................................................................................................................... 655
Services ................................................................................................................................... 661
Schedules ................................................................................................................................ 667
AAA Server .............................................................................................................................673
Authentication Method ............................................................................................................. 685
Certificates ...............................................................................................................................689
ISP Accounts ............................................................................................................................711
SSL Application .......................................................................................................................715
System ..................................................................................................................................723
System ................................................................................................................................... 725
Maintenance, Troubleshooting, & Specifications .............................................................773
File Manager ........................................................................................................................... 775
Logs ........................................................................................................................................ 787
Reports ...................................................................................................................................801
Diagnostics ............................................................................................................................. 819
Reboot ..................................................................................................................................... 821
Troubleshooting ....................................................................................................................... 823
Product Specifications ............................................................................................................. 827
Appendices and Index .........................................................................................................833

Table of Contents
ZyWALL USG 300 User’s Guide 11
Table of Contents
About This User's Guide..........................................................................................................3
Document Conventions............................................................................................................6
Safety Warnings........................................................................................................................8
Contents Overview ...................................................................................................................9
Table of Contents....................................................................................................................11
Part I: Getting Started............................................................................ 29
Chapter 1
Introducing the ZyWALL ........................................................................................................31
1.1 Overview and Key Default Settings ..................................................................................... 31
1.2 Front Panel .......................................................................................................................... 31
1.2.1 Front Panel LEDs ....................................................................................................... 32
1.3 Management Overview ........................................................................................................32
1.4 Starting and Stopping the ZyWALL ...................................................................................... 34
Chapter 2
Features and Applications.....................................................................................................35
2.1 Features .............................................................................................................................. 35
2.2 Packet Flow ......................................................................................................................... 37
2.2.1 Interface to Interface (Through ZyWALL) ................................................................... 38
2.2.2 Interface to Interface (To/From ZyWALL) ................................................................... 38
2.2.3 Interface to Interface (From VPN Tunnel) .................................................................. 38
2.2.4 Interface to Interface (To VPN Tunnel) ....................................................................... 38
2.3 Applications ......................................................................................................................... 39
2.3.1 VPN Connectivity ....................................................................................................... 39
2.3.2 SSL VPN Network Access ......................................................................................... 39
2.3.3 User-Aware Access Control ....................................................................................... 41
2.3.4 Multiple WAN Interfaces ............................................................................................. 41
2.3.5 Device HA .................................................................................................................. 42
Chapter 3
Web Configurator....................................................................................................................43
3.1 Web Configurator Requirements ......................................................................................... 43

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3.2 Web Configurator Access ....................................................................................................43
3.3 Web Configurator Main Screen ........................................................................................... 45
3.3.1 Title Bar ...................................................................................................................... 46
3.3.2 Navigation Panel ........................................................................................................ 46
3.3.3 Main Window ..............................................................................................................51
3.3.4 Message Bar ..............................................................................................................51
Chapter 4
Wizard Setup...........................................................................................................................55
4.1 Wizard Setup Overview ....................................................................................................... 55
4.2 Installation Setup, One ISP ................................................................................................. 56
4.2.1 Internet Access: Ethernet Encapsulation ................................................................... 57
4.2.2 Internet Access: PPPoE Encapsulation ..................................................................... 59
4.2.3 Internet Access: PPTP Encapsulation ....................................................................... 61
4.2.4 Internet Access - Finish ............................................................................................. 62
4.3 Device Registration .......................................................................................................... 63
4.4 Installation Setup, Two Internet Service Providers .............................................................. 65
4.4.1 Internet Access Wizard Setup Complete ................................................................... 67
4.5 VPN Setup ........................................................................................................................... 67
4.5.1 VPN Express Wizard .................................................................................................. 68
4.5.2 VPN Advanced Wizard ............................................................................................... 73
4.5.3 VPN Advanced Wizard - Finish ................................................................................. 79
Chapter 5
Configuration Basics..............................................................................................................81
5.1 Object-based Configuration .................................................................................................81
5.2 Zones, Interfaces, and Physical Ports ................................................................................. 82
5.2.1 Interface Types ........................................................................................................... 83
5.2.2 Default Interface and Zone Configuration .................................................................. 84
5.3 Terminology in the ZyWALL .................................................................................................85
5.4 Feature Configuration Overview ......................................................................................... 86
5.4.1 Feature ....................................................................................................................... 86
5.4.2 Interface ..................................................................................................................... 86
5.4.3 Trunks ........................................................................................................................ 87
5.4.4 IPSec VPN ................................................................................................................. 87
5.4.5 SSL VPN .................................................................................................................... 87
5.4.6 L2TP VPN .................................................................................................................. 88
5.4.7 Zones ......................................................................................................................... 88
5.4.8 Device HA .................................................................................................................. 89
5.4.9 DDNS ......................................................................................................................... 89
5.4.10 Policy Routes ...........................................................................................................89
5.4.11 Static Routes ............................................................................................................ 90
5.4.12 Firewall ..................................................................................................................... 90

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ZyWALL USG 300 User’s Guide 13
5.4.13 Application Patrol .....................................................................................................91
5.4.14 Anti-Virus .................................................................................................................. 92
5.4.15 IDP ........................................................................................................................... 92
5.4.16 ADP .......................................................................................................................... 92
5.4.17 Content Filter ............................................................................................................ 92
5.4.18 Anti-Spam ................................................................................................................. 93
5.4.19 Virtual Server (Port Forwarding) .............................................................................. 93
5.4.20 HTTP Redirect ......................................................................................................... 94
5.4.21 ALG .......................................................................................................................... 95
5.5 Objects ................................................................................................................................ 95
5.5.1 User/Group ................................................................................................................. 96
5.6 System Management and Maintenance .............................................................................. 96
5.6.1 DNS, WWW, SSH, TELNET, FTP, SNMP, Dial-in Mgmt, Vantage CNM .................... 96
5.6.2 File Manager .............................................................................................................. 97
5.6.3 Licensing Registration ................................................................................................ 97
5.6.4 Licensing Update ....................................................................................................... 98
5.6.5 Logs and Reports ....................................................................................................... 98
5.6.6 Diagnostics ................................................................................................................. 98
Chapter 6
Tutorials...................................................................................................................................99
6.1 How to Configure Interfaces, Port Grouping, and Zones ..................................................... 99
6.1.1 Configure a WAN Ethernet Interface ........................................................................ 100
6.1.2 Configure Zones ....................................................................................................... 101
6.1.3 Configure Port Grouping .......................................................................................... 101
6.2 How to Configure a Cellular Interface ................................................................................ 102
6.3 How to Configure Load Balancing ..................................................................................... 105
6.3.1 Set Up Available Bandwidth on Ethernet Interfaces ................................................ 106
6.3.2 Configure the WAN Trunk ........................................................................................106
6.4 How to Set Up a WLAN Interface ...................................................................................... 107
6.4.1 Set Up User Accounts .............................................................................................. 107
6.4.2 Create the WLAN Interface ......................................................................................107
6.4.3 Set Up the Wireless Clients to Use the WLAN Interface .......................................... 109
6.5 How to Set Up an IPSec VPN Tunnel ................................................................................ 120
6.5.1 Set Up the VPN Gateway ......................................................................................... 120
6.5.2 Set Up the VPN Connection ..................................................................................... 121
6.5.3 Set Up the Policy Route for the VPN Tunnel ............................................................122
6.5.4 Configure Security Policies for the VPN Tunnel ....................................................... 124
6.6 How to Configure User-aware Access Control .................................................................. 124
6.6.1 Set Up User Accounts .............................................................................................. 124
6.6.2 Set Up User Groups ................................................................................................. 125
6.6.3 Set Up User Authentication Using the RADIUS Server ........................................... 125
6.6.4 Set Up Web Surfing Policies With Bandwidth Restrictions ...................................... 127

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6.6.5 Set Up MSN Policies ................................................................................................ 129
6.6.6 Set Up Firewall Rules ............................................................................................... 130
6.7 How to Configure Service Control ..................................................................................... 131
6.7.1 Allow HTTPS Administrator Access Only From the LAN ......................................... 131
6.8 How to Allow Incoming H.323 Peer-to-peer Calls ............................................................. 134
6.8.1 Turn On the ALG ......................................................................................................135
6.8.2 Set Up a Virtual Server Policy For H.323 ................................................................. 135
6.8.3 Set Up a Firewall Rule For H.323 ............................................................................ 136
6.9 How to Use Active-Passive Device HA ............................................................................. 137
6.9.1 Before You Start ....................................................................................................... 138
6.9.2 Configure Device HA on the Master ZyWALL .......................................................... 139
6.9.3 Configure the Backup ZyWALL ................................................................................ 140
6.9.4 Deploy the Backup ZyWALL .................................................................................... 141
6.9.5 Check Your Device HA Setup .................................................................................. 142
6.10 How to Allow Public Access to a Server .......................................................................... 142
6.10.1 Create the Address Objects ................................................................................... 142
6.10.2 Configure a Virtual Server ...................................................................................... 143
Chapter 7
Status.....................................................................................................................................145
7.1 Overview ............................................................................................................................ 145
7.1.1 What You Can Do in the Status Screens ..................................................................145
7.2 The Status Screen ............................................................................................................. 146
7.2.1 The CPU Usage Screen ...........................................................................................152
7.2.2 The Memory Usage Screen ..................................................................................... 153
7.2.3 The Session Usage Screen ..................................................................................... 154
7.2.4 The VPN Status Screen ........................................................................................... 155
7.2.5 The DHCP Table Screen .......................................................................................... 156
7.2.6 The Port Statistics Screen ........................................................................................157
7.2.7 The Port Statistics Graph Screen ............................................................................. 158
7.2.8 The Current Users Screen ....................................................................................... 159
Chapter 8
Registration...........................................................................................................................161
8.1 Overview ............................................................................................................................ 161
8.1.1 What You Can Do in the Registration Screens ........................................................ 161
8.1.2 What you Need to Know About Service Registration ............................................... 161
8.2 The Registration Screen ....................................................................................................163
8.3 The Service Screen ........................................................................................................... 165
Chapter 9
Signature Update ..................................................................................................................167
9.1 Overview ............................................................................................................................ 167

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ZyWALL USG 300 User’s Guide 15
9.1.1 What You Can Do in the Update Screens ................................................................ 167
9.1.2 What you Need to Know About Signature Updates ................................................. 167
9.2 The Antivirus Update Screen ............................................................................................. 168
9.3 The IDP/AppPatrol Update Screen ....................................................................................169
9.4 The System Protect Update Screen ................................................................................. 171
Part II: Network..................................................................................... 175
Chapter 10
Interfaces...............................................................................................................................177
10.1 Interface Overview ........................................................................................................... 177
10.1.1 What You Can Do in the Interface Screens ............................................................177
10.1.2 What You Need to Know About Interfaces ............................................................. 178
10.2 Interface Status Screen ...................................................................................................181
10.3 Port Grouping ................................................................................................................. 184
10.3.1 Port Grouping Overview ......................................................................................... 184
10.3.2 Port Grouping Screen ............................................................................................ 184
10.4 Ethernet Summary Screen .............................................................................................. 185
10.4.1 Ethernet Edit .........................................................................................................187
10.5 The Static DHCP Screen ................................................................................................. 193
10.6 PPP Interfaces ................................................................................................................ 194
10.6.1 PPP Interface Summary .........................................................................................195
10.6.2 PPP Interface Edit ................................................................................................. 196
10.7 Cellular Configuration Screen (3G) ................................................................................. 200
10.7.1 Cellular Add/Edit Screen ........................................................................................ 203
10.8 Cellular Status Screen .....................................................................................................207
10.9 WLAN Interface General Screen ..................................................................................... 209
10.9.1 WLAN Add/Edit Screen .......................................................................................... 212
10.9.2 WLAN Add/Edit: WEP Security .............................................................................. 218
10.9.3 WLAN Add/Edit: WPA-PSK/WPA2-PSK Security ................................................... 219
10.9.4 WLAN Add/Edit: WPA/WPA2 Security ................................................................... 220
10.10 WLAN Interface MAC Filter .......................................................................................... 222
10.10.1 MAC Filter Add/Edit Screen ................................................................................. 223
10.11 WLAN Interface Station Monitor Screen ........................................................................ 224
10.12 VLAN Interfaces ........................................................................................................... 225
10.12.1 VLAN Summary Screen ....................................................................................... 227
10.12.2 VLAN Add/Edit .................................................................................................... 228
10.13 Bridge Interfaces .......................................................................................................... 232
10.13.1 Bridge Summary .................................................................................................. 234
10.13.2 Bridge Add/Edit ................................................................................................... 235
10.14 Auxiliary Interface ......................................................................................................... 240

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10.14.1 Auxiliary Interface Overview ................................................................................. 240
10.14.2 Auxiliary ................................................................................................................ 241
10.15 Virtual Interfaces ........................................................................................................... 242
10.15.1 Virtual Interfaces Add/Edit .................................................................................... 243
10.16 Interface Technical Reference ....................................................................................... 244
Chapter 11
Trunks....................................................................................................................................249
11.1 Overview .......................................................................................................................... 249
11.1.1 What You Can Do in the Trunk Screens ................................................................. 249
11.1.2 What You Need to Know About Trunks ..................................................................250
11.2 The Trunk Summary Screen ............................................................................................ 253
11.3 Configuring a Trunk ........................................................................................................ 255
11.4 Trunk Technical Reference .............................................................................................. 256
Chapter 12
Policy and Static Routes......................................................................................................259
12.1 Policy and Static Routes Overview .................................................................................. 259
12.1.1 What You Can Do in the Routing Screens ............................................................. 260
12.1.2 What You Need to Know About Policy and Static Routes ...................................... 260
12.2 Policy Route Screen ........................................................................................................261
12.2.1 Policy Route Edit Screen ....................................................................................... 263
12.3 IP Static Route Screen ....................................................................................................267
12.3.1 Static Route Add/Edit Screen ................................................................................. 268
12.4 Policy Routing Technical Reference ................................................................................ 269
Chapter 13
Routing Protocols.................................................................................................................273
13.1 Routing Protocols Overview ............................................................................................ 273
13.1.1 What You Can Do in the RIP and OSPF Screens .................................................. 273
13.1.2 What You Need to Know About Routing Protocols ................................................ 273
13.2 The RIP Screen ...............................................................................................................274
13.3 The OSPF Screen ...........................................................................................................275
13.3.1 Configuring the OSPF Screen ................................................................................ 279
13.3.2 OSPF Area Add/Edit Screen ................................................................................. 281
13.4 Routing Protocol Technical Reference ............................................................................ 283
Chapter 14
Zones .....................................................................................................................................285
14.1 Zones Overview ............................................................................................................... 285
14.1.1 What You Can Do in the Zones Screens ................................................................ 285
14.1.2 What You Need to Know About Zones ................................................................... 286
14.2 The Zone Screen ............................................................................................................. 287

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ZyWALL USG 300 User’s Guide 17
14.3 Zone Edit ........................................................................................................................ 288
Chapter 15
DDNS......................................................................................................................................289
15.1 DDNS Overview ..............................................................................................................289
15.1.1 What You Can Do in the DDNS Screens ............................................................... 289
15.1.2 What You Need to Know About DDNS ................................................................... 289
15.2 The DDNS Screen ...........................................................................................................290
15.2.1 The Dynamic DNS Add/Edit Screen ...................................................................... 292
15.3 The DDNS Status Screen ................................................................................................ 294
Chapter 16
Virtual Servers.......................................................................................................................297
16.1 Virtual Servers Overview ................................................................................................. 297
16.1.1 What You Can Do in the Virtual Server Screens .................................................... 297
16.1.2 What You Need to Know About Virtual Servers ..................................................... 297
16.2 The Virtual Server Screen ............................................................................................... 298
16.2.1 The Virtual Server Add/Edit Screen ....................................................................... 299
16.3 NAT 1:1 and NAT Loopback Examples ........................................................................... 302
Chapter 17
HTTP Redirect......................................................................................................................313
17.1 Overview ..........................................................................................................................313
17.1.1 What You Can Do in the HTTP Redirect Screens .................................................. 313
17.1.2 What You Need to Know About HTTP Redirect ..................................................... 314
17.2 The HTTP Redirect Screen ............................................................................................. 315
17.2.1 The HTTP Redirect Edit Screen ............................................................................. 316
Chapter 18
ALG ........................................................................................................................................317
18.1 ALG Overview .................................................................................................................317
18.1.1 What You Can Do in the ALG Screen .................................................................... 317
18.1.2 What You Need to Know About ALG ..................................................................... 318
18.1.3 Before You Begin ................................................................................................... 321
18.2 The ALG Screen .............................................................................................................. 321
18.3 ALG Technical Reference ................................................................................................ 323
Chapter 19
IP/MAC Binding....................................................................................................................325
19.1 IP/MAC Binding Overview ............................................................................................... 325
19.1.1 What You Can Do in the IP/MAC Binding Screens ................................................325
19.1.2 What You Need to Know About IP/MAC Binding ...................................................326
19.2 IP/MAC Binding Summary ............................................................................................... 326

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19.2.1 IP/MAC Binding Edit ............................................................................................... 327
19.2.2 Static DHCP Edit .................................................................................................... 328
19.3 IP/MAC Binding Exempt List ........................................................................................... 329
19.4 IP/MAC Binding Monitor .................................................................................................. 329
Part III: Firewall .................................................................................... 331
Chapter 20
Firewall...................................................................................................................................333
20.1 Overview ..........................................................................................................................333
20.1.1 What You Can Do in the Firewall Screens ............................................................. 333
20.1.2 What You Need to Know About the Firewall .......................................................... 334
20.1.3 Firewall Rule Example Applications ....................................................................... 337
20.1.4 Firewall Rule Configuration Example ..................................................................... 339
20.2 The Firewall Screen ......................................................................................................... 341
20.2.1 Configuring the Firewall Screen ............................................................................. 342
20.2.2 The Firewall Edit Screen ........................................................................................ 345
20.3 The Session Limit Screen ................................................................................................ 347
20.3.1 The Session Limit Edit Screen ...............................................................................348
Part IV: VPN.......................................................................................... 351
Chapter 21
IPSec VPN..............................................................................................................................353
21.1 IPSec VPN Overview ....................................................................................................... 353
21.1.1 What You Can Do in the IPSec VPN Screens ........................................................353
21.1.2 What You Need to Know About IPSec VPN ........................................................... 354
21.1.3 Before You Begin ................................................................................................... 356
21.2 The VPN Connection Screen .......................................................................................... 356
21.2.1 The VPN Connection Add/Edit (IKE) Screen ......................................................... 358
21.2.2 The VPN Connection Add/Edit Manual Key Screen .............................................. 365
21.3 The VPN Gateway Screen .............................................................................................. 369
21.3.1 The VPN Gateway Add/Edit Screen ......................................................................370
21.4 The VPN Concentrator Screen ........................................................................................ 378
21.4.1 The VPN Concentrator Add/Edit Screen ................................................................ 379
21.5 The SA Monitor Screen .................................................................................................. 381
21.6 IPSec VPN Background Information ...............................................................................382
Chapter 22
SSL VPN.................................................................................................................................395

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ZyWALL USG 300 User’s Guide 19
22.1 Overview ..........................................................................................................................395
22.1.1 What You Can Do in the SSL VPN Screens .......................................................... 395
22.1.2 What You Need to Know About SSL VPN ..............................................................395
22.2 The SSL Access Privilege Screen ................................................................................... 397
22.2.1 The SSL Access Policy Add/Edit Screen .............................................................. 399
22.3 The SSL Connection Monitor Screen .............................................................................. 401
22.4 The SSL Global Setting Screen ....................................................................................... 402
22.4.1 How to Upload a Custom Logo .............................................................................. 404
22.5 Establishing an SSL VPN Connection ............................................................................. 405
Chapter 23
SSL User Screens.................................................................................................................407
23.1 Overview ..........................................................................................................................407
23.1.1 What You Need to Know About the SSL User Screens ......................................... 407
23.2 Remote User Login .......................................................................................................... 408
23.3 The SSL VPN User Screens ........................................................................................... 413
23.4 Bookmarking the ZyWALL ............................................................................................... 414
23.5 Logging Out of the SSL VPN User Screens .................................................................... 414
Chapter 24
SSL User Application Screens ............................................................................................417
24.1 SSL User Application Screens Overview ........................................................................ 417
24.2 The Application Screen ...................................................................................................417
Chapter 25
SSL User File Sharing ..........................................................................................................419
25.1 Overview ..........................................................................................................................419
25.1.1 What You Need to Know About the SSL VPN File Sharing ...................................419
25.2 The Main File Sharing Screen .........................................................................................420
25.3 Opening a File or Folder ..................................................................................................420
25.3.1 Downloading a File ................................................................................................. 422
25.3.2 Saving a File ..........................................................................................................423
25.4 Creating a New Folder .....................................................................................................423
25.5 Renaming a File or Folder ............................................................................................... 424
25.6 Deleting a File or Folder ..................................................................................................424
25.7 Uploading a File ............................................................................................................... 425
Chapter 26
ZyWALL SecuExtender.........................................................................................................427
26.1 The ZyWALL SecuExtender Icon .................................................................................... 427
26.2 Statistics .......................................................................................................................... 427
26.3 View Log .......................................................................................................................... 429
26.4 Suspend and Resume the Connection ............................................................................ 429

Table of Contents
ZyWALL USG 300 User’s Guide
20
26.5 Stop the Connection ........................................................................................................429
26.6 Uninstalling the ZyWALL SecuExtender .......................................................................... 429
Chapter 27
L2TP VPN...............................................................................................................................431
27.1 Overview ..........................................................................................................................431
27.1.1 What You Can Do in the L2TP VPN Screens ......................................................... 431
27.1.2 What You Need to Know About L2TP VPN ............................................................ 431
27.2 L2TP VPN Screen ...........................................................................................................433
27.3 L2TP VPN Session Monitor Screen ................................................................................ 434
Chapter 28
L2TP VPN Example...............................................................................................................437
28.1 L2TP VPN Example .........................................................................................................437
28.2 Configuring the Default L2TP VPN Gateway Example .................................................... 438
28.3 Configuring the Default L2TP VPN Connection Example ................................................ 439
28.4 Configuring the L2TP VPN Settings Example ................................................................. 440
28.5 Configuring the Policy Route for L2TP Example ............................................................. 441
28.6 Configuring L2TP VPN in Windows XP and 2000 ........................................................... 442
28.6.1 Configuring L2TP in Windows XP .......................................................................... 442
28.6.2 Configuring L2TP in Windows 2000 ....................................................................... 448
Part V: Application Patrol.................................................................... 465
Chapter 29
Application Patrol.................................................................................................................467
29.1 Overview ..........................................................................................................................467
29.1.1 What You Can Do in the Application Patrol Screens .............................................. 467
29.1.2 What You Need to Know About Application Patrol ................................................ 468
29.1.3 Application Patrol Bandwidth Management Examples ........................................... 473
29.2 Application Patrol General Screen .................................................................................. 476
29.3 Application Patrol Applications ........................................................................................478
29.3.1 The Application Patrol Edit Screen ........................................................................ 479
29.3.2 The Application Patrol Policy Edit Screen ............................................................. 481
29.4 The Other Applications Screen ........................................................................................ 484
29.4.1 The Other Applications Add/Edit Screen ................................................................487
29.5 Application Patrol Statistics .............................................................................................489
29.5.1 Application Patrol Statistics: General Setup ........................................................... 489
29.5.2 Application Patrol Statistics: Bandwidth Statistics .................................................. 490
29.5.3 Application Patrol Statistics: Protocol Statistics .....................................................491