ZyXEL Communications ZyWALL USG 2000 User manual

www.zyxel.com
www.zyxel.com
ZyWALL USG 2000
Unified Security Gateway
Copyright © 2009
ZyXEL Communications Corporation
Firmware Version 2.11
Edition 1, 2/2009
Default Login Details
LAN Port P1
IP Address http://192.168.1.1
User Name admin
Password 1234

About This User's Guide
ZyWALL USG 2000 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 47 for web browser requirements and an introduction
to the main components, icons and menus in the ZyWALL web configurator.
•ReadChapter 4 on page 59 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 101 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 119 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 2000 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
Customer Support
In the event of problems that cannot be solved by using this manual, 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 2000 User’s Guide 5
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 USG 2000 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 2000 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
ZyWALL USG 2000 User’s Guide 7
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.
• Caution: This unit has more than one power supply cord. Disconnect two power supply
cords before servicing to avoid electric shock. (has multiple power cords, e.g., chassis-
based Ethernet switch. Make sure you specify the correct number of power cords in both
the English and the French that follows)
• Attention: Cet appareil comporte plus d'un cordon d'alimentation. Afin de prévenir les
chocs électriques, debrancher les deux cordons d'alimentation avant de faire le
dépannage.
• 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.

Safety Warnings
ZyWALL USG 2000 User’s Guide
8

Contents Overview
ZyWALL USG 2000 User’s Guide 9
Contents Overview
Getting Started .......................................................................................................................29
Introducing the ZyWALL ............................................................................................................ 31
Features and Applications ......................................................................................................... 39
Web Configurator ....................................................................................................................... 47
Wizard Setup ............................................................................................................................. 59
Configuration Basics ................................................................................................................ 101
Tutorials ....................................................................................................................................119
Status ....................................................................................................................................... 149
Registration ............................................................................................................................. 165
Signature Update ..................................................................................................................... 171
Network .................................................................................................................................179
Interface ...................................................................................................................................181
Trunks ...................................................................................................................................... 239
Policy and Static Routes .......................................................................................................... 249
Routing Protocols .................................................................................................................... 263
Zones ....................................................................................................................................... 275
DDNS ...................................................................................................................................... 279
Virtual Servers .........................................................................................................................287
HTTP Redirect ........................................................................................................................ 301
ALG ......................................................................................................................................... 305
IP/MAC Binding ....................................................................................................................... 313
Firewall ..................................................................................................................................319
Firewall .................................................................................................................................... 321
VPN ........................................................................................................................................337
IPSec VPN ............................................................................................................................... 339
SSL VPN ................................................................................................................................. 379
SSL User Screens ................................................................................................................... 391
SSL User Application Screens ................................................................................................399
SSL User File Sharing .............................................................................................................401
L2TP VPN ................................................................................................................................ 409
L2TP VPN Example ................................................................................................................. 415
Application Patrol ................................................................................................................443
Application Patrol ..................................................................................................................... 445

Contents Overview
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10
Anti-X ....................................................................................................................................471
Anti-Virus ................................................................................................................................. 473
IDP .......................................................................................................................................... 489
ADP ........................................................................................................................................523
Content Filtering ..................................................................................................................... 543
Content Filter Reports .............................................................................................................567
Anti-Spam ................................................................................................................................ 575
Device HA .............................................................................................................................591
Device HA ............................................................................................................................... 593
Objects ..................................................................................................................................611
User/Group ..............................................................................................................................613
Addresses ............................................................................................................................... 629
Services ................................................................................................................................... 635
Schedules ................................................................................................................................ 641
AAA Server .............................................................................................................................647
Authentication Method ............................................................................................................. 659
Certificates ...............................................................................................................................663
ISP Accounts ........................................................................................................................... 685
SSL Application .......................................................................................................................689
System ..................................................................................................................................695
System ................................................................................................................................... 697
Maintenance, Troubleshooting, & Specifications .............................................................747
File Manager ........................................................................................................................... 749
Logs ........................................................................................................................................ 761
Reports ...................................................................................................................................775
Diagnostics ............................................................................................................................. 793
Reboot ..................................................................................................................................... 795
Troubleshooting ....................................................................................................................... 797
Product Specifications ............................................................................................................. 803
Appendices and Index .........................................................................................................809

Table of Contents
ZyWALL USG 2000 User’s Guide 11
Table of Contents
About This User's Guide..........................................................................................................3
Document Conventions............................................................................................................5
Safety Warnings........................................................................................................................7
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 .......................................................................................................................... 32
1.2.1 Dual Personality Interfaces ........................................................................................ 32
1.2.2 Front Panel LEDs ....................................................................................................... 35
1.3 Management Overview ........................................................................................................36
1.4 Starting and Stopping the ZyWALL ...................................................................................... 37
Chapter 2
Features and Applications.....................................................................................................39
2.1 Features .............................................................................................................................. 39
2.2 Packet Flow ......................................................................................................................... 41
2.2.1 Interface to Interface (Through ZyWALL) ................................................................... 42
2.2.2 Interface to Interface (To/From ZyWALL) ................................................................... 42
2.2.3 Interface to Interface (From VPN Tunnel) .................................................................. 42
2.2.4 Interface to Interface (To VPN Tunnel) ....................................................................... 42
2.3 Applications ......................................................................................................................... 43
2.3.1 VPN Connectivity ....................................................................................................... 43
2.3.2 SSL VPN Network Access ......................................................................................... 43
2.3.3 User-Aware Access Control ....................................................................................... 45
2.3.4 Multiple WAN Interfaces ............................................................................................. 45
2.3.5 Device HA .................................................................................................................. 46
Chapter 3
Web Configurator....................................................................................................................47

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3.1 Web Configurator Requirements ......................................................................................... 47
3.2 Web Configurator Access ....................................................................................................47
3.3 Web Configurator Main Screen ........................................................................................... 49
3.3.1 Title Bar ...................................................................................................................... 50
3.3.2 Navigation Panel ........................................................................................................ 50
3.3.3 Main Window ..............................................................................................................55
3.3.4 Message Bar ..............................................................................................................55
Chapter 4
Wizard Setup...........................................................................................................................59
4.1 Wizard Setup Overview ....................................................................................................... 59
4.2 Installation Setup, One ISP ................................................................................................. 60
4.3 Step 1 Internet Access ........................................................................................................ 62
4.3.1 Ethernet: Auto IP Address Assignment ...................................................................... 62
4.3.2 Ethernet: Static IP Address Assignment .................................................................... 63
4.3.3 Step 2 Internet Access Ethernet ................................................................................ 64
4.3.4 PPPoE: Auto IP Address Assignment ........................................................................ 66
4.3.5 PPPoE: Static IP Address Assignment ...................................................................... 68
4.3.6 Step 2 Internet Access PPPoE .................................................................................. 69
4.3.7 PPTP: Auto IP Address Assignment .......................................................................... 71
4.3.8 PPTP: Static IP Address Assignment ......................................................................... 74
4.3.9 Step 2 Internet Access PPTP .................................................................................... 75
4.3.10 Step 4 Internet Access - Finish ............................................................................... 77
4.4 Device Registration .......................................................................................................... 77
4.5 Installation Setup, Two Internet Service Providers .............................................................. 80
4.5.1 Internet Access Wizard Setup Complete ................................................................... 83
4.6 VPN Setup ........................................................................................................................... 84
4.7 VPN Wizards ...................................................................................................................... 85
4.7.1 VPN Express Wizard .................................................................................................. 85
4.8 VPN Express Wizard - Scenario ......................................................................................... 86
4.8.1 VPN Express Wizard - Policy Setting ........................................................................ 88
4.8.2 VPN Express Wizard - Summary .............................................................................. 89
4.8.3 VPN Express Wizard - Finish .................................................................................... 90
4.8.4 VPN Advanced Wizard ............................................................................................... 91
4.8.5 VPN Advanced Wizard - Advanced Settings ............................................................ 94
4.8.6 VPN Advanced Wizard - Phase 2 ............................................................................. 96
4.8.7 VPN Advanced Wizard - Summary ........................................................................... 98
4.8.8 VPN Advanced Wizard - Finish ................................................................................. 99
Chapter 5
Configuration Basics............................................................................................................101
5.1 Object-based Configuration ............................................................................................... 101
5.2 Zones, Interfaces, and Physical Ports ............................................................................... 102

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ZyWALL USG 2000 User’s Guide 13
5.2.1 Interface Types .........................................................................................................102
5.2.2 Default Interface and Zone Configuration ................................................................ 103
5.3 Terminology in the ZyWALL ............................................................................................... 104
5.4 Feature Configuration Overview ....................................................................................... 105
5.4.1 Feature .....................................................................................................................105
5.4.2 Interface ................................................................................................................... 106
5.4.3 Trunks ......................................................................................................................106
5.4.4 IPSec VPN ...............................................................................................................107
5.4.5 SSL VPN ..................................................................................................................107
5.4.6 L2TP VPN ................................................................................................................107
5.4.7 Zones .......................................................................................................................108
5.4.8 Device HA ................................................................................................................108
5.4.9 DDNS ....................................................................................................................... 108
5.4.10 Policy Routes ......................................................................................................... 108
5.4.11 Static Routes ...........................................................................................................110
5.4.12 Firewall ....................................................................................................................110
5.4.13 Application Patrol ....................................................................................................111
5.4.14 Anti-Virus .................................................................................................................111
5.4.15 IDP ..........................................................................................................................112
5.4.16 ADP .........................................................................................................................112
5.4.17 Content Filter ...........................................................................................................112
5.4.18 Anti-Spam ................................................................................................................113
5.4.19 Virtual Server (Port Forwarding) .............................................................................113
5.4.20 HTTP Redirect ........................................................................................................114
5.4.21 ALG .........................................................................................................................115
5.5 Objects ...............................................................................................................................115
5.5.1 User/Group ................................................................................................................116
5.6 System Management and Maintenance .............................................................................116
5.6.1 DNS, WWW, SSH, TELNET, FTP, SNMP, Dial-in Mgmt, Vantage CNM ...................116
5.6.2 File Manager .............................................................................................................117
5.6.3 Licensing Registration ...............................................................................................117
5.6.4 Licensing Update ......................................................................................................118
5.6.5 Logs and Reports ......................................................................................................118
5.6.6 Diagnostics ................................................................................................................118
Chapter 6
Tutorials.................................................................................................................................119
6.1 How to Configure Interfaces, Port Grouping, and Zones ....................................................119
6.1.1 Configure a WAN Ethernet Interface ........................................................................ 120
6.1.2 Configure Zones ....................................................................................................... 120
6.1.3 Configure Port Grouping .......................................................................................... 121
6.2 How to Configure Load Balancing ..................................................................................... 122
6.2.1 Set Up Available Bandwidth on Ethernet Interfaces ................................................ 123

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6.2.2 Configure the WAN Trunk ........................................................................................123
6.3 How to Set Up an IPSec VPN Tunnel ................................................................................ 124
6.3.1 Set Up the VPN Gateway ......................................................................................... 125
6.3.2 Set Up the VPN Connection .....................................................................................125
6.3.3 Set Up the Policy Route for the VPN Tunnel ............................................................ 126
6.3.4 Configure Security Policies for the VPN Tunnel ....................................................... 128
6.4 How to Configure User-aware Access Control .................................................................. 128
6.4.1 Set Up User Accounts .............................................................................................. 128
6.4.2 Set Up User Groups ................................................................................................. 129
6.4.3 Set Up User Authentication Using the RADIUS Server ........................................... 129
6.4.4 Set Up Web Surfing Policies With Bandwidth Restrictions ...................................... 131
6.4.5 Set Up MSN Policies ................................................................................................ 133
6.4.6 Set Up Firewall Rules ............................................................................................... 134
6.5 How to Configure Service Control ..................................................................................... 135
6.5.1 Allow HTTPS Administrator Access Only From the LAN ......................................... 135
6.6 How to Allow Incoming H.323 Peer-to-peer Calls ............................................................. 138
6.6.1 Turn On the ALG ......................................................................................................139
6.6.2 Set Up a Virtual Server Policy For H.323 ................................................................. 139
6.6.3 Set Up a Firewall Rule For H.323 ............................................................................ 140
6.7 How to Use Active-Passive Device HA ............................................................................. 141
6.7.1 Before You Start ....................................................................................................... 142
6.7.2 Configure Device HA on the Master ZyWALL .......................................................... 143
6.7.3 Configure the Backup ZyWALL ................................................................................ 144
6.7.4 Deploy the Backup ZyWALL .................................................................................... 145
6.7.5 Check Your Device HA Setup .................................................................................. 146
6.8 How to Allow Public Access to a Server ............................................................................ 146
6.8.1 Create the Address Objects ..................................................................................... 146
6.8.2 Configure a Virtual Server ........................................................................................ 147
Chapter 7
Status.....................................................................................................................................149
7.1 Overview ............................................................................................................................ 149
7.1.1 What You Can Do in the Status Screens ..................................................................149
7.2 The Status Screen ............................................................................................................. 150
7.2.1 The CPU Usage Screen ...........................................................................................155
7.2.2 The Memory Usage Screen ..................................................................................... 156
7.2.3 The Session Usage Screen ..................................................................................... 157
7.2.4 The VPN Status Screen ........................................................................................... 158
7.2.5 The DHCP Table Screen .......................................................................................... 159
7.2.6 The Port Statistics Screen ........................................................................................160
7.2.7 The Port Statistics Graph Screen ............................................................................. 161
7.2.8 The Current Users Screen ....................................................................................... 162
7.2.9 The SEM Status Detail Screen ................................................................................. 162

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ZyWALL USG 2000 User’s Guide 15
Chapter 8
Registration...........................................................................................................................165
8.1 Overview ............................................................................................................................ 165
8.1.1 What You Can Do in the Registration Screens ........................................................ 165
8.1.2 What you Need to Know About Service Registration ...............................................165
8.2 The Registration Screen ....................................................................................................167
8.3 The Service Screen ........................................................................................................... 169
Chapter 9
Signature Update ..................................................................................................................171
9.1 Overview ............................................................................................................................ 171
9.1.1 What You Can Do in the Update Screens ................................................................ 171
9.1.2 What you Need to Know About Signature Updates ................................................. 171
9.2 The Antivirus Update Screen ............................................................................................. 172
9.3 The IDP/AppPatrol Update Screen ....................................................................................173
9.4 The System Protect Update Screen ................................................................................. 175
Part II: Network..................................................................................... 179
Chapter 10
Interface.................................................................................................................................181
10.1 Interface Overview ........................................................................................................... 181
10.1.1 What You Can Do in the Interface Screens ............................................................ 181
10.1.2 What You Need to Know About Interfaces ............................................................. 182
10.2 Interface Status Screen ...................................................................................................185
10.3 Port Grouping ................................................................................................................. 188
10.3.1 Port Grouping Overview ......................................................................................... 188
10.3.2 Port Grouping Screen ............................................................................................ 189
10.4 Ethernet Summary Screen .............................................................................................. 190
10.4.1 Ethernet Edit .........................................................................................................191
10.5 The Static DHCP Screen ................................................................................................. 198
10.6 The PPP Interfaces ........................................................................................................198
10.6.1 PPPoE/PPTP Overview ......................................................................................... 199
10.6.2 PPPoE/PPTP Interfaces Overview ........................................................................ 199
10.6.3 PPP Interface Summary .........................................................................................200
10.6.4 PPP Interface Add/Edit ......................................................................................... 202
10.7 Cellular Configuration Screen (3G) ................................................................................. 205
10.7.1 Cellular Add/Edit Screen ........................................................................................ 208
10.8 Cellular Status Screen .....................................................................................................212
10.9 VLAN Interfaces .............................................................................................................214
10.9.1 VLAN Overview ...................................................................................................... 214

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10.9.2 VLAN Interfaces Overview ..................................................................................... 216
10.9.3 VLAN Summary Screen .........................................................................................216
10.9.4 VLAN Add/Edit ...................................................................................................... 217
10.10 Bridge Interfaces .......................................................................................................... 222
10.10.1 Bridge Overview ...................................................................................................222
10.10.2 Bridge Interface Overview .................................................................................... 223
10.10.3 Bridge Summary .................................................................................................. 224
10.10.4 Bridge Add/Edit ................................................................................................... 225
10.11 Auxiliary Interface ......................................................................................................... 230
10.11.1 Auxiliary Interface Overview ................................................................................. 230
10.11.2 Auxiliary ................................................................................................................ 231
10.12 Virtual Interfaces ...........................................................................................................233
10.12.1 Virtual Interfaces Add/Edit .................................................................................... 233
10.13 Interface Technical Reference ....................................................................................... 235
Chapter 11
Trunks....................................................................................................................................239
11.1 Overview .......................................................................................................................... 239
11.1.1 What You Can Do in the Trunk Screens ................................................................. 239
11.1.2 What You Need to Know About Trunks ..................................................................240
11.2 The Trunk Summary Screen ............................................................................................ 243
11.3 Configuring a Trunk ........................................................................................................ 245
11.4 Trunk Technical Reference .............................................................................................. 246
Chapter 12
Policy and Static Routes......................................................................................................249
12.1 Policy and Static Routes Overview .................................................................................. 249
12.1.1 What You Can Do in the Policy and Static Route Screens ..................................... 250
12.1.2 What You Need to Know About Policy and Static Routing ..................................... 250
12.2 Policy Route Screen ........................................................................................................251
12.2.1 Policy Route Edit Screen ....................................................................................... 253
12.3 IP Static Route Screen ....................................................................................................257
12.3.1 Static Route Add/Edit Screen ................................................................................. 258
12.4 Policy Routing Technical Reference ................................................................................ 259
Chapter 13
Routing Protocols.................................................................................................................263
13.1 Routing Protocols Overview ............................................................................................ 263
13.1.1 What You Can Do in the RIP and OSPF Screens .................................................. 263
13.1.2 What You Need to Know About Routing Protocols ................................................ 263
13.2 The RIP Screen ...............................................................................................................264
13.3 The OSPF Screen ...........................................................................................................265
13.3.1 Configuring the OSPF Screen ................................................................................ 269

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13.3.2 OSPF Area Add/Edit Screen ................................................................................. 271
13.4 Routing Protocol Technical Reference ............................................................................ 273
Chapter 14
Zones .....................................................................................................................................275
14.1 Zones Overview ...............................................................................................................275
14.1.1 What You Can Do in the Zones Screens ................................................................ 275
14.1.2 What You Need to Know About Zones ................................................................... 276
14.2 The Zone Screen ............................................................................................................. 277
14.3 Zone Add/Edit .................................................................................................................278
Chapter 15
DDNS......................................................................................................................................279
15.1 DDNS Overview ..............................................................................................................279
15.1.1 What You Can Do in the DDNS Screens ............................................................... 279
15.1.2 What You Need to Know About DDNS ................................................................... 279
15.2 The DDNS Screen ...........................................................................................................280
15.2.1 The Dynamic DNS Add/Edit Screen ...................................................................... 282
15.3 The DDNS Status Screen ................................................................................................ 285
Chapter 16
Virtual Servers.......................................................................................................................287
16.1 Virtual Servers Overview ................................................................................................. 287
16.1.1 What You Can Do in the Virtual Server Screens ....................................................287
16.1.2 What You Need to Know About Virtual Servers ..................................................... 287
16.2 The Virtual Server Screen ............................................................................................... 288
16.2.1 The Virtual Server Add/Edit Screen ....................................................................... 289
16.3 NAT 1:1 and NAT Loopback Examples ........................................................................... 292
Chapter 17
HTTP Redirect......................................................................................................................301
17.1 Overview .......................................................................................................................... 301
17.1.1 What You Can Do in the HTTP Redirect Screens .................................................. 301
17.1.2 What You Need to Know About HTTP Redirect ..................................................... 302
17.2 The HTTP Redirect Screen ............................................................................................. 303
17.2.1 The HTTP Redirect Edit Screen ............................................................................. 304
Chapter 18
ALG ........................................................................................................................................305
18.1 ALG Overview .................................................................................................................305
18.1.1 What You Can Do in the ALG Screen .................................................................... 305
18.1.2 What You Need to Know About ALG ..................................................................... 306
18.1.3 Before You Begin ................................................................................................... 308

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18.2 The ALG Screen .............................................................................................................. 308
18.3 ALG Technical Reference ................................................................................................ 310
Chapter 19
IP/MAC Binding.....................................................................................................................313
19.1 IP/MAC Binding Overview ............................................................................................... 313
19.1.1 What You Can Do in the IP/MAC Binding Screens ................................................313
19.1.2 What You Need to Know About IP/MAC Binding ...................................................314
19.2 IP/MAC Binding Summary ............................................................................................... 314
19.2.1 IP/MAC Binding Edit ............................................................................................... 315
19.2.2 Static DHCP Edit .................................................................................................... 316
19.3 IP/MAC Binding Exempt List ........................................................................................... 317
19.4 IP/MAC Binding Monitor .................................................................................................. 317
Part III: Firewall .................................................................................... 319
Chapter 20
Firewall...................................................................................................................................321
20.1 Overview .......................................................................................................................... 321
20.1.1 What You Can Do in the Firewall Screens .............................................................321
20.1.2 What You Need to Know About the Firewall .......................................................... 322
20.1.3 Firewall Rule Example Applications ....................................................................... 324
20.1.4 Firewall Rule Configuration Example ..................................................................... 326
20.2 The Firewall Screen ......................................................................................................... 328
20.2.1 Configuring the Firewall Screen ............................................................................. 329
20.2.2 The Firewall Edit Screen ........................................................................................ 333
20.3 The Session Limit Screen ................................................................................................ 334
20.3.1 The Session Limit Edit Screen ...............................................................................336
Part IV: VPN.......................................................................................... 337
Chapter 21
IPSec VPN..............................................................................................................................339
21.1 IPSec VPN Overview ....................................................................................................... 339
21.1.1 What You Can Do in the IPSec VPN Screens ........................................................ 340
21.1.2 What You Need to Know About IPSec VPN ........................................................... 340
21.1.3 Before You Begin ................................................................................................... 341
21.2 The VPN Connection Screen .......................................................................................... 341
21.2.1 The VPN Connection Add/Edit (IKE) Screen ......................................................... 343
21.2.2 The VPN Connection Add/Edit Manual Key Screen .............................................. 350

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21.3 The VPN Gateway Screen .............................................................................................. 354
21.3.1 The VPN Gateway Add/Edit Screen ...................................................................... 355
21.4 The VPN Concentrator Screen ........................................................................................ 363
21.4.1 The VPN Concentrator Add/Edit Screen ................................................................ 364
21.5 The SA Monitor Screen .................................................................................................. 366
21.6 IPSec VPN Background Information ...............................................................................367
Chapter 22
SSL VPN.................................................................................................................................379
22.1 Overview .......................................................................................................................... 379
22.1.1 What You Can Do in the SSL VPN Screens .......................................................... 379
22.1.2 What You Need to Know About SSL VPN .............................................................. 379
22.2 The SSL Access Privilege Screen ................................................................................... 381
22.2.1 The SSL Access Policy Add/Edit Screen .............................................................. 383
22.3 The SSL VPN Connection Monitor Screen ...................................................................... 385
22.4 The SSL Global Setting Screen ....................................................................................... 386
22.4.1 How to Upload a Custom Logo .............................................................................. 387
22.5 Establishing an SSL VPN Connection ............................................................................. 388
Chapter 23
SSL User Screens.................................................................................................................391
23.1 Overview .......................................................................................................................... 391
23.1.1 What You Need to Know About the SSL User Screens ......................................... 391
23.2 Remote User Login ..........................................................................................................392
23.3 The SSL VPN User Screens ........................................................................................... 395
23.4 Bookmarking the ZyWALL ............................................................................................... 396
23.5 Logging Out of the SSL VPN User Screens .................................................................... 396
Chapter 24
SSL User Application Screens ............................................................................................399
24.1 SSL User Application Screens Overview ........................................................................ 399
24.2 The Application Screen ...................................................................................................399
Chapter 25
SSL User File Sharing ..........................................................................................................401
25.1 Overview .......................................................................................................................... 401
25.1.1 What You Need to Know About the SSL VPN File Sharing ................................... 401
25.2 The Main File Sharing Screen .........................................................................................402
25.3 Opening a File or Folder ..................................................................................................402
25.3.1 Downloading a File ................................................................................................. 404
25.3.2 Saving a File ..........................................................................................................405
25.4 Creating a New Folder .....................................................................................................405
25.5 Renaming a File or Folder ............................................................................................... 406

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25.6 Deleting a File or Folder ..................................................................................................406
25.7 Uploading a File ............................................................................................................... 407
Chapter 26
L2TP VPN...............................................................................................................................409
26.1 Overview .......................................................................................................................... 409
26.1.1 What You Can Do in the L2TP VPN Screens ......................................................... 409
26.1.2 What You Need to Know About L2TP VPN ............................................................ 409
26.2 L2TP VPN Screen ............................................................................................................411
26.3 L2TP VPN Session Monitor Screen ................................................................................ 412
Chapter 27
L2TP VPN Example...............................................................................................................415
27.1 L2TP VPN Example .........................................................................................................415
27.2 Configuring the Default L2TP VPN Gateway Example .................................................... 416
27.3 Configuring the Default L2TP VPN Connection Example ................................................417
27.4 Configuring the L2TP VPN Settings Example .................................................................418
27.5 Configuring the Policy Route for L2TP Example ............................................................. 419
27.6 Configuring L2TP VPN in Windows XP and 2000 ........................................................... 420
27.6.1 Configuring L2TP in Windows XP .......................................................................... 420
27.6.2 Configuring L2TP in Windows 2000 ....................................................................... 426
Part V: Application Patrol.................................................................... 443
Chapter 28
Application Patrol.................................................................................................................445
28.1 Overview .......................................................................................................................... 445
28.1.1 What You Can Do in the Application Patrol Screens .............................................. 445
28.1.2 What You Need to Know About Application Patrol ................................................ 446
28.1.3 Application Patrol Bandwidth Management Examples ........................................... 450
28.2 Application Patrol General Screen .................................................................................. 454
28.3 Application Patrol Applications ........................................................................................455
28.3.1 The Application Patrol Edit Screen ........................................................................ 456
28.3.2 The Application Patrol Policy Edit Screen .............................................................459
28.4 The Other Applications Screen ........................................................................................462
28.4.1 The Other Applications Add/Edit Screen ................................................................464
28.5 Application Patrol Statistics .............................................................................................466
28.5.1 Application Patrol Statistics: General Setup ........................................................... 467
28.5.2 Application Patrol Statistics: Bandwidth Statistics .................................................. 468
28.5.3 Application Patrol Statistics: Protocol Statistics .....................................................469