Document Outline

• ZyWALL 5/35/70 User's Guide
• Copyright
• Federal Communications Commission (FCC) Interference Statement
• Safety Warnings
• ZyXEL Limited Warranty
• Customer Support
• Table of Contents
• List of Figures
• List of Tables
• Preface
• 1. Getting to Know Your ZyWALL
  • 1.1 ZyWALL Internet Security Appliance Overview
  • 1.2 ZyWALL Features
    • 1.2.1 Physical Features
    • 1.2.2 Non-Physical Features
  • 1.3 Applications for the ZyWALL
    • 1.3.1 Secure Broadband Internet Access via Cable or DSL Modem
    • 1.3.2 VPN Application
    • 1.3.3 Front Panel LEDs
• 2. Introducing the Web Configurator
  • 2.1 Web Configurator Overview
  • 2.2 Accessing the ZyWALL Web Configurator
  • 2.3 Resetting the ZyWALL
    • 2.3.1 Procedure To Use The Reset Button
    • 2.3.2 Uploading a Configuration File Via Console Port
  • 2.4 Navigating the ZyWALL Web Configurator
    • 2.4.3 Navigation Panel
• 3. Wizard Setup
  • 3.1 Wizard Setup Overview
    • 3.2.1 ISP Parameters
      • 3.2.1.1 Ethernet
      • 3.2.1.2 PPPoE Encapsulation
      • 3.2.1.3 PPTP Encapsulation
• 4. Registration
  • 4.1 myZyXEL.com overview
    • 4.1.1 Subscription Services Available on the ZyWALL
• 5. LAN Screens
  • 5.1 LAN Overview
  • 5.2 DHCP Setup
    • 5.2.1 IP Pool Setup
  • 5.3 LAN TCP/IP
    • 5.3.1 Factory LAN Defaults
    • 5.3.2 IP Address and Subnet Mask
    • 5.3.3 RIP Setup
    • 5.3.4 Multicast
  • 5.4 DNS Servers
• 6. Bridge Screens
  • 6.1 Bridge Loop
  • 6.2 Spanning Tree Protocol (STP)
    • 6.2.1 Rapid STP
    • 6.2.2 STP Terminology
    • 6.2.3 How STP Works
    • 6.2.4 STP Port States
• 7. WAN Screens
  • 7.1 WAN Overview
  • 7.2 Multiple WAN
  • 7.3 Load Balancing Introduction
  • 7.4 Load Balancing Algorithms
    • 7.4.1 Least Load First
      • 7.4.1.1 Example 1
      • 7.4.1.2 Example 2
    • 7.4.2 Weighted Round Robin
    • 7.4.3 Spillover
  • 7.5 TCP/IP Priority (Metric)
  • 7.7 Configuring Load Balancing
    • 7.7.1 Least Load First
    • 7.7.2 Weighted Round Robin
    • 7.7.3 Spillover
  • 7.9 WAN IP Address Assignment
  • 7.10 DNS Server Address Assignment
  • 7.11 WAN MAC Address
    • 7.12.1 WAN Ethernet Encapsulation
    • 7.12.2 PPPoE Encapsulation
    • 7.12.3 PPTP Encapsulation
  • 7.14 Configuring Traffic Redirect
    • 7.16.1 AT Command Strings
    • 7.16.2 DTR Signal
    • 7.16.3 Response Strings
  • 7.17 Configuring Advanced Modem Setup
• 8. DMZ Screens
  • 8.2 Configuring DMZ
  • 8.5 DMZ Public IP Address Example
  • 8.6 DMZ Private and Public IP Address Example
• 9. Wireless LAN
  • 9.1 Wireless LAN Introduction
    • 9.1.1 Additional Installation Requirements for Using 802.1x
  • 9.6 Wireless Security
    • 9.6.1 Encryption
    • 9.6.2 Authentication
    • 9.6.3 Restricted Access
    • 9.6.4 Hide ZyWALL Identity
  • 9.7 Security Parameters Summary
  • 9.8 WEP Encryption
  • 9.9 802.1x Overview
    • 9.9.1 Introduction to RADIUS
      • 9.9.1.1 Types of RADIUS Messages
    • 9.9.2 EAP Authentication Overview
  • 9.10 Dynamic WEP Key Exchange
  • 9.11 Introduction to WPA
    • 9.11.1 User Authentication
    • 9.11.2 Encryption
  • 9.12 WPA-PSK Application Example
  • 9.13 Introduction to RADIUS
  • 9.14 WPA with RADIUS Application Example
  • 9.15 Wireless Client WPA Supplicants
    • 9.16.1 Static WEP
    • 9.16.2 WPA-PSK
    • 9.16.3 WPA
    • 9.16.4 IEEE 802.1x + Dynamic WEP
    • 9.16.5 IEEE 802.1x + Static WEP
    • 9.16.6 IEEE 802.1x + No WEP
    • 9.16.7 No Access 802.1x + Static WEP
    • 9.16.8 No Access 802.1x + No WEP
• 10. Firewalls
  • 10.1 Firewall Overview
  • 10.2 Types of Firewalls
    • 10.2.1 Packet Filtering Firewalls
    • 10.2.2 Application-level Firewalls
    • 10.2.3 Stateful Inspection Firewalls
  • 10.3 Introduction to ZyXEL’s Firewall
  • 10.4 Denial of Service
    • 10.4.1 Basics
    • 10.4.2 Types of DoS Attacks
      • 10.4.2.1 ICMP Vulnerability
      • 10.4.2.2 Illegal Commands (NetBIOS and SMTP)
      • 10.4.2.3 Traceroute
  • 10.5 Stateful Inspection
    • 10.5.1 Stateful Inspection Process
    • 10.5.2 Stateful Inspection and the ZyWALL
    • 10.5.3 TCP Security
    • 10.5.4 UDP/ICMP Security
    • 10.5.5 Upper Layer Protocols
  • 10.6 Guidelines For Enhancing Security With Your Firewall
  • 10.7 Packet Filtering Vs Firewall
    • 10.7.1 Packet Filtering:
      • 10.7.1.1 When To Use Filtering
    • 10.7.2 Firewall
      • 10.7.2.1 When To Use The Firewall
• 11. Firewall Screens
  • 11.1 Access Methods
  • 11.2 Firewall Policies Overview
  • 11.3 Rule Logic Overview
    • 11.3.1 Rule Checklist
    • 11.3.2 Security Ramifications
    • 11.3.3 Key Fields For Configuring Rules
      • 11.3.3.1 Action
      • 11.3.3.2 Service
      • 11.3.3.3 Source Address
      • 11.3.3.4 Destination Address
  • 11.4 Connection Direction Examples
    • 11.4.1 LAN To WAN Rules
    • 11.4.2 WAN To LAN Rules
  • 11.5 Alerts
    • 11.10.1 Threshold Values
    • 11.10.2 Half-Open Sessions
      • 11.10.2.1 TCP Maximum Incomplete and Blocking Time
    • 11.11.2 Predefined Services
  • 11.12 Example Firewall Rule
• 12. Intrusion Detection and Prevention (IDP)
  • 12.1 Introduction to IDP
    • 12.1.1 Firewalls and Intrusions
    • 12.1.2 IDS and IDP
    • 12.1.3 Host IDP
    • 12.1.4 Network IDP
    • 12.1.5 Example Intrusions
      • 12.1.5.1 SQL Slammer Worm
      • 12.1.5.2 Blaster W32.Worm
      • 12.1.5.3 Nimda
      • 12.1.5.4 MyDoom
    • 12.1.6 ZyWALL IDP
• 13. Configuring IDP
  • 13.1 Overview
    • 13.1.1 Interfaces
  • 13.2 General Setup
    • 13.3.1 Attack Types
    • 13.3.2 Intrusion Severity
    • 13.3.3 Signature Actions
    • 13.3.4 Configuring IDP Signatures
      • 13.3.5.1 Query Example 1
      • 13.3.5.2 Query Example 2
    • 13.4.1 mySecurity Zone
    • 13.4.2 Configuring IDP Update
• 14. Anti-Virus
  • 14.1.1 Types of Computer Viruses
  • 14.1.2 Computer Virus Infection and Prevention
  • 14.1.3 Types of Anti-Virus Scanner
  • 14.2 Introduction to the ZyWALL Anti-Virus Scanner
    • 14.2.1 How the ZyWALL Anti-Virus Scanner Works
    • 14.2.2 Notes About the ZyWALL Anti-Virus
  • 14.3 General Anti-Virus Setup
    • 14.4.1 mySecurity Zone
    • 14.4.2 Configuring Anti-virus Update
• 15. Anti-Spam
  • 15.1.1 Anti-Spam External Database
    • 15.1.1.1 SpamBulk Engine
    • 15.1.1.2 SpamRepute Engine
    • 15.1.1.3 SpamContent Engine
    • 15.1.1.4 SpamTricks Engine
  • 15.1.2 Spam Threshold
  • 15.1.3 Phishing
  • 15.1.4 Whitelist
  • 15.1.5 Blacklist
  • 15.1.6 SMTP and POP3
  • 15.1.7 MIME Headers
  • 15.2 Anti-Spam General Screen
• 16. Content Filtering Screens
  • 16.1 Content Filtering Overview
    • 16.1.1 Restrict Web Features
    • 16.1.2 Create a Filter List
    • 16.1.3 Customize Web Site Access
  • 16.3 Content Filtering with an External Database
  • 16.6 Customizing Keyword Blocking URL Checking
    • 16.6.1 Domain Name or IP Address URL Checking
    • 16.6.2 Full Path URL Checking
    • 16.6.3 File Name URL Checking
• 17. Content Filtering Reports
  • 17.1 Checking Content Filtering Activation
  • 17.2 Viewing Content Filtering Reports
  • 17.3 Web Site Submission
• 18. Introduction to IPSec
  • 18.1 VPN Overview
    • 18.1.1 IPSec
    • 18.1.2 Security Association
    • 18.1.3 Other Terminology
      • 18.1.3.1 Encryption
      • 18.1.3.2 Data Confidentiality
      • 18.1.3.3 Data Integrity
      • 18.1.3.4 Data Origin Authentication
    • 18.1.4 VPN Applications
      • 18.1.4.1 Linking Two or More Private Networks Together
      • 18.1.4.2 Accessing Network Resources When NAT Is Enabled
      • 18.1.4.3 Unsupported IP Applications
  • 18.2 IPSec Architecture
    • 18.2.1 IPSec Algorithms
    • 18.2.2 Key Management
  • 18.3 Encapsulation
    • 18.3.1 Transport Mode
    • 18.3.2 Tunnel Mode
  • 18.4 IPSec and NAT
• 19. VPN Screens
  • 19.1 VPN/IPSec Overview
  • 19.2 IPSec Algorithms
    • 19.2.1 AH (Authentication Header) Protocol
    • 19.2.2 ESP (Encapsulating Security Payload) Protocol
  • 19.3 My ZyWALL
  • 19.4 Remote Gateway Address
    • 19.4.1 Dynamic Remote Gateway Address
  • 19.5 Nailed Up
  • 19.6 NAT Traversal
    • 19.6.1 NAT Traversal Configuration
  • 19.7 ID Type and Content
    • 19.7.1 ID Type and Content Examples
  • 19.8 IKE Phases
    • 19.8.1 Negotiation Mode
    • 19.8.2 Pre-Shared Key
    • 19.8.3 Diffie-Hellman (DH) Key Groups
    • 19.8.4 Perfect Forward Secrecy (PFS)
  • 19.9 X-Auth (Extended Authentication)
    • 19.9.1 Authentication Server
    • 19.15.1 Security Parameter Index (SPI)
  • 19.18 Telecommuter VPN/IPSec Examples
    • 19.18.1 Telecommuters Sharing One VPN Rule Example
    • 19.18.2 Telecommuters Using Unique VPN Rules Example
  • 19.19 VPN and Remote Management
• 20. Certificates
  • 20.1 Certificates Overview
    • 20.1.1 Advantages of Certificates
  • 20.2 Self-signed Certificates
  • 20.3 Configuration Summary
    • 20.5.1 Certificate File Formats
  • 20.12 Verifying a Trusted Remote Host’s Certificate
    • 20.12.1 Trusted Remote Host Certificate Fingerprints
• 21. Authentication Server
  • 21.1 Authentication Server Overview
    • 21.1.1 Local User Database
    • 21.1.2 RADIUS
• 22. Network Address Translation (NAT)
  • 22.1 NAT Overview
    • 22.1.1 NAT Definitions
    • 22.1.2 What NAT Does
    • 22.1.3 How NAT Works
    • 22.1.4 NAT Application
    • 22.1.5 Port Restricted Cone NAT
    • 22.1.6 NAT Mapping Types
  • 22.2 Using NAT
    • 22.2.1 SUA (Single User Account) Versus NAT
  • 22.5 Port Forwarding
    • 22.5.1 Default Server IP Address
    • 22.5.2 Port Forwarding: Services and Port Numbers
    • 22.5.3 Configuring Servers Behind Port Forwarding (Example)
    • 22.5.4 NAT and Multiple WAN
    • 22.5.5 Port Translation
• 23. Static Route
  • 23.2 IP Static Route
• 24. Policy Route
  • 24.2 Benefits
  • 24.3 Routing Policy
  • 24.4 IP Routing Policy Setup
• 25. Bandwidth Management
  • 25.2 Bandwidth Classes and Filters
  • 25.3 Proportional Bandwidth Allocation
  • 25.4 Application-based Bandwidth Management
  • 25.5 Subnet-based Bandwidth Management
  • 25.6 Application and Subnet-based Bandwidth Management
  • 25.7 Scheduler
    • 25.7.1 Priority-based Scheduler
    • 25.7.2 Fairness-based Scheduler
    • 25.7.3 Maximize Bandwidth Usage
    • 25.7.4 Reserving Bandwidth for Non-Bandwidth Class Traffic
    • 25.7.5 Maximize Bandwidth Usage Example
      • 25.7.5.1 Priority-based Allotment of Unused and Unbudgeted Bandwidth
      • 25.7.5.2 Fairness-based Allotment of Unused and Unbudgeted Bandwidth
  • 25.8 Bandwidth Borrowing
    • 25.8.1 Bandwidth Borrowing Example
  • 25.9 Maximize Bandwidth Usage With Bandwidth Borrowing
  • 25.10 Configuring Summary
• 26. DNS
  • 26.2 DNS Server Address Assignment
  • 26.3 DNS Servers
  • 26.4 Address Record
    • 26.4.1 DNS Wildcard
  • 26.5 Name Server Record
    • 26.5.1 Private DNS Server
  • 26.6 System Screen
  • 26.8 Configure DNS Cache
    • 26.10.1 DYNDNS Wildcard
    • 26.10.2 High Availability
  • 26.11 Configuring Dynamic DNS
• 27. Remote Management
  • 27.1 Remote Management Overview
    • 27.1.1 Remote Management Limitations
    • 27.1.2 System Timeout
  • 27.2 Introduction to HTTPS
  • 27.4 HTTPS Example
    • 27.4.1 Internet Explorer Warning Messages
    • 27.4.2 Netscape Navigator Warning Messages
    • 27.4.3 Avoiding the Browser Warning Messages
    • 27.4.4 Login Screen
  • 27.6 How SSH works
  • 27.7 SSH Implementation on the ZyWALL
    • 27.7.1 Requirements for Using SSH
  • 27.8 Configuring SSH
  • 27.9 Secure Telnet Using SSH Examples
    • 27.9.1 Example 1: Microsoft Windows
    • 27.9.2 Example 2: Linux
  • 27.10 Secure FTP Using SSH Example
  • 27.12 Configuring TELNET
    • 27.14.1 Supported MIBs
    • 27.14.2 SNMP Traps
    • 27.14.3 REMOTE MANAGEMENT: SNMP
  • 27.17 Configuring CNM
• 28. UPnP
  • 28.1.1 How Do I Know If I'm Using UPnP?
  • 28.1.2 NAT Traversal
  • 28.1.3 Cautions with UPnP
  • 28.1.4 UPnP and ZyXEL
  • 28.2 Configuring UPnP
  • 28.4 Installing UPnP in Windows Example
    • 28.4.1 Installing UPnP in Windows Me
    • 28.4.2 Installing UPnP in Windows XP
  • 28.5 Using UPnP in Windows XP Example
    • 28.5.1 Auto-discover Your UPnP-enabled Network Device
    • 28.5.2 Web Configurator Easy Access
• 29. ALG Screen
  • 29.1.1 ALG and NAT
  • 29.1.2 ALG and the Firewall
  • 29.1.3 ALG and Multiple WAN
  • 29.2 FTP
  • 29.3 H.323
  • 29.4 RTP
    • 29.4.1 H.323 ALG Details
  • 29.5 SIP
    • 29.5.1 STUN
    • 29.5.2 SIP ALG Details
    • 29.5.3 SIP Signaling Session Timeout
    • 29.5.4 SIP Audio Session Timeout
  • 29.6 ALG Screen
• 30. Logs Screens
  • 30.2 Log Description Example
    • 30.2.1 Certificate Not Trusted Log Note
    • 30.4.1 Viewing Web Site Hits
    • 30.4.2 Viewing Protocol/Port
    • 30.4.3 Viewing Host IP Address
    • 30.4.4 Reports Specifications
• 31. Maintenance
  • 31.1 Maintenance Overview
  • 31.2 General Setup
    • 31.2.1 General Setup and System Name
  • 31.5 Pre-defined NTP Time Servers List
    • 31.5.1 Resetting the Time
    • 31.5.2 Time Server Synchronization
  • 31.6 Introduction To Transparent Bridging
  • 31.7 Transparent Firewalls
    • 31.11.1 Backup Configuration
    • 31.11.2 Restore Configuration
    • 31.11.3 Back to Factory Defaults
• 32. Introducing the SMT
  • 32.1 Introduction to the SMT
  • 32.2 Accessing the SMT via the Console Port
    • 32.2.1 Initial Screen
    • 32.2.2 Entering the Password
  • 32.3 Navigating the SMT Interface
    • 32.3.1 Main Menu
    • 32.3.2 SMT Menus Overview
  • 32.4 Changing the System Password
  • 32.5 Resetting the ZyWALL
• 33. SMT Menu 1 - General Setup
  • 33.1 Introduction to General Setup
  • 33.2 Configuring General Setup
    • 33.2.1 Configuring Dynamic DNS
      • 33.2.1.1 Editing DDNS Host
• 34. WAN and Dial Backup Setup
  • 34.1 Introduction to WAN and Dial Backup Setup
  • 34.2 WAN Setup
  • 34.3 Dial Backup
  • 34.4 Configuring Dial Backup in Menu 2
  • 34.5 Advanced WAN Setup
  • 34.6 Remote Node Profile (Backup ISP)
  • 34.7 Editing PPP Options
  • 34.8 Editing TCP/IP Options
  • 34.9 Editing Login Script
  • 34.10 Remote Node Filter
• 35. LAN Setup
  • 35.1 Introduction to LAN Setup
  • 35.2 Accessing the LAN Menus
  • 35.3 LAN Port Filter Setup
  • 35.4 TCP/IP and DHCP Ethernet Setup Menu
    • 35.4.1 IP Alias Setup
• 36. Internet Access
  • 36.1 Introduction to Internet Access Setup
  • 36.2 Ethernet Encapsulation
  • 36.3 Configuring the PPTP Client
  • 36.4 Configuring the PPPoE Client
  • 36.5 Basic Setup Complete
• 37. DMZ Setup
  • 37.1 Configuring DMZ Setup
  • 37.2 DMZ Port Filter Setup
  • 37.3 TCP/IP Setup
    • 37.3.1 IP Address
    • 37.3.2 IP Alias Setup
• 38. Route Setup
  • 38.1 Configuring Route Setup
  • 38.2 Route Assessment
  • 38.3 Traffic Redirect
  • 38.4 Route Failover
• 39. Wireless Setup
  • 39.1 Wireless LAN Setup
    • 39.1.1 MAC Address Filter Setup
  • 39.2 TCP/IP Setup
    • 39.2.1 IP Address
    • 39.2.2 IP Alias Setup
• 40. Remote Node Setup
  • 40.1 Introduction to Remote Node Setup
  • 40.2 Remote Node Setup
  • 40.3 Remote Node Profile Setup
    • 40.3.1 Ethernet Encapsulation
    • 40.3.2 PPPoE Encapsulation
      • 40.3.2.1 Outgoing Authentication Protocol
      • 40.3.2.2 Nailed-Up Connection
      • 40.3.2.3 Metric
    • 40.3.3 PPTP Encapsulation
  • 40.4 Edit IP
  • 40.5 Remote Node Filter
  • 40.6 Traffic Redirect
• 41. IP Static Route Setup
  • 41.1 IP Static Route Setup
• 42. Network Address Translation (NAT)
  • 42.1 Using NAT
    • 42.1.1 SUA (Single User Account) Versus NAT
    • 42.1.2 Applying NAT
  • 42.2 NAT Setup
    • 42.2.1 Address Mapping Sets
      • 42.2.1.1 SUA Address Mapping Set
      • 42.2.1.2 User-Defined Address Mapping Sets
      • 42.2.1.3 Ordering Your Rules
  • 42.3 Configuring a Server behind NAT
  • 42.4 General NAT Examples
    • 42.4.1 Internet Access Only
    • 42.4.2 Example 2: Internet Access with an Default Server
    • 42.4.3 Example 3: Multiple Public IP Addresses With Inside Servers
    • 42.4.4 Example 4: NAT Unfriendly Application Programs
  • 42.5 Trigger Port Forwarding
    • 42.5.1 Two Points To Remember About Trigger Ports
• 43. Introducing the ZyWALL Firewall
  • 43.1 Using ZyWALL SMT Menus
    • 43.1.1 Activating the Firewall
• 44. Filter Configuration
  • 44.1 Introduction to Filters
    • 44.1.1 The Filter Structure of the ZyWALL
  • 44.2 Configuring a Filter Set
    • 44.2.1 Configuring a Filter Rule
    • 44.2.2 Configuring a TCP/IP Filter Rule
    • 44.2.3 Configuring a Generic Filter Rule
  • 44.3 Example Filter
  • 44.4 Filter Types and NAT
  • 44.5 Firewall Versus Filters
  • 44.6 Applying a Filter
    • 44.6.1 Applying LAN Filters
    • 44.6.2 Applying DMZ Filters
    • 44.6.3 Applying Remote Node Filters
• 45. SNMP Configuration
  • 45.1 SNMP Configuration
  • 45.2 SNMP Traps
• 46. System Information & Diagnosis
  • 46.1 Introduction to System Status
  • 46.2 System Status
  • 46.3 System Information and Console Port Speed
    • 46.3.1 System Information
    • 46.3.2 Console Port Speed
  • 46.4 Log and Trace
    • 46.4.1 Viewing Error Log
    • 46.4.2 Syslog Logging
    • 46.4.3 Call-Triggering Packet
  • 46.5 Diagnostic
    • 46.5.1 WAN DHCP
• 47. Firmware and Configuration File Maintenance
  • 47.1 Introduction
  • 47.2 Filename Conventions
  • 47.3 Backup Configuration
    • 47.3.1 Backup Configuration
    • 47.3.2 Using the FTP Command from the Command Line
    • 47.3.3 Example of FTP Commands from the Command Line
    • 47.3.4 GUI-based FTP Clients
    • 47.3.5 File Maintenance Over WAN
    • 47.3.6 Backup Configuration Using TFTP
    • 47.3.7 TFTP Command Example
    • 47.3.8 GUI-based TFTP Clients
    • 47.3.9 Backup Via Console Port
  • 47.4 Restore Configuration
    • 47.4.1 Restore Using FTP
    • 47.4.2 Restore Using FTP Session Example
    • 47.4.3 Restore Via Console Port
  • 47.5 Uploading Firmware and Configuration Files
    • 47.5.1 Firmware File Upload
    • 47.5.2 Configuration File Upload
    • 47.5.3 FTP File Upload Command from the DOS Prompt Example
    • 47.5.4 FTP Session Example of Firmware File Upload
    • 47.5.5 TFTP File Upload
    • 47.5.6 TFTP Upload Command Example
    • 47.5.7 Uploading Via Console Port
    • 47.5.8 Uploading Firmware File Via Console Port
    • 47.5.9 Example Xmodem Firmware Upload Using HyperTerminal
    • 47.5.10 Uploading Configuration File Via Console Port
    • 47.5.11 Example Xmodem Configuration Upload Using HyperTerminal
• 48. System Maintenance Menus 8 to 10
  • 48.1 Command Interpreter Mode
    • 48.1.1 Command Syntax
    • 48.1.2 Command Usage
  • 48.2 Call Control Support
    • 48.2.1 Budget Management
    • 48.2.2 Call History
  • 48.3 Time and Date Setting
• 49. Remote Management
  • 49.1 Remote Management
    • 49.1.1 Remote Management Limitations
• 50. IP Policy Routing
  • 50.1 IP Routing Policy Summary
  • 50.2 IP Routing Policy Setup
    • 50.2.1 Applying Policy to Packets
  • 50.3 IP Policy Routing Example
• 51. Call Scheduling
  • 51.1 Introduction to Call Scheduling
• 52. Troubleshooting
  • 52.1 Problems Starting Up the ZyWALL
  • 52.2 Problems with the LAN Interface
  • 52.3 Problems with the DMZ Interface
  • 52.4 Problems with the WAN Interface
  • 52.5 Problems Accessing the ZyWALL
    • 52.5.1 Pop-up Windows, JavaScripts and Java Permissions
      • 52.5.1.1 Internet Explorer Pop-up Blockers
      • 52.5.1.2 JavaScripts
      • 52.5.1.3 Java Permissions
  • 52.6 Packet Flow
• A. Product Specifications
  • Specification Tables
  • Compatible ZyXEL WLAN Cards
  • WLAN Card and ZyWALL Turbo Card Installation
  • Cable Pin Assignments
• B. Hardware Installation
  • General Installation Instructions
  • Desktop Installation
  • Rack-mounted Installation Requirements
  • Rack-Mounted Installation
• C. Removing and Installing a Fuse
  • Removing a Fuse
  • Installing a Fuse
• D. C. Removing and Installing a Fuse
  • Windows 95/98/Me
    • Installing Components
    • Configuring
    • Verifying Settings
  • Windows 2000/NT/XP
    • Verifying Settings
  • Macintosh OS 8/9
    • Verifying Settings
  • Macintosh OS X
    • Verifying Settings
  • Linux
    • Using the K Desktop Environment (KDE)
    • Using Configuration Files
    • Verifying Settings
• E. IP Subnetting
  • IP Addressing
  • IP Classes
  • Subnet Masks
  • Subnetting
  • Example: Two Subnets
  • Example: Four Subnets
  • Example Eight Subnets
  • Subnetting With Class A and Class B Networks.
• F. PPPoE
  • PPPoE in Action
  • Benefits of PPPoE
  • Traditional Dial-up Scenario
  • How PPPoE Works
  • ZyWALL as a PPPoE Client
• G. PPTP
  • What is PPTP?
    • How can we transport PPP frames from a computer to a broadband modem over Ethernet?
  • PPTP and the ZyWALL
  • PPTP Protocol Overview
  • Control & PPP Connections
    • Call Connection
    • PPP Data Connection
• H. Wireless LANs
  • Wireless LAN Topologies
    • Ad-hoc Wireless LAN Configuration
    • BSS
    • ESS
  • Channel
  • RTS/CTS
  • Fragmentation Threshold
  • Preamble Type
  • IEEE 802.1x
  • RADIUS
    • Types of RADIUS Messages
  • EAP Authentication
  • Types of Authentication
    • EAP-MD5 (Message-Digest Algorithm 5)
    • EAP-TLS (Transport Layer Security)
    • EAP-TTLS (Tunneled Transport Layer Service)
    • PEAP (Protected EAP)
    • LEAP
    • WEP Encryption
  • WEP Authentication Steps
    • Dynamic WEP Key Exchange
  • WPA
    • User Authentication
    • Encryption
  • Security Parameters Summary
  • Roaming
    • Requirements for Roaming
• I. Triangle Route
  • The Ideal Setup
  • The “Triangle Route” Problem
  • The “Triangle Route” Solutions
  • IP Aliasing
  • Gateways on the WAN Side
  • Configuring Triangle Route via Commands
• J. Windows 98 SE/Me Requirements for Anti-Virus Message Display
• K. VPN Setup
  • General Notes
    • Dynamic IPSec Rule
    • Full Feature NAT Mode
  • VPN Configuration
    • Dialing the VPN Tunnel via Web Configurator
  • VPN Troubleshooting
    • VPN Log
    • IPSec Debug
  • Use a VPN Tunnel
    • FTP Example
• L. Importing Certificates
  • Import ZyWALL Certificates into Netscape Navigator
  • Importing the ZyWALL’s Certificate into Internet Explorer
  • Enrolling and Importing SSL Client Certificates
    • Installing the CA’s Certificate
    • Installing Your Personal Certificate(s)
  • Using a Certificate When Accessing the ZyWALL Example
• M. Command Interpreter
  • Command Syntax
  • Command Usage
• N. Firewall Commands
• O. NetBIOS Filter Commands
  • Introduction
  • Display NetBIOS Filter Settings
  • NetBIOS Filter Configuration
• P. Certificates Commands
• Q. Brute-Force Password Guessing Protection
  • Example
• R. Boot Commands
• S. Log Descriptions
  • Syslog Logs
  • Log Commands
    • Configuring What You Want the ZyWALL to Log
    • Displaying Logs
  • Log Command Example
• Index
  • Numerics
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Z