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ZyXEL Communications ZyWALL5UTM 4.0 manual 387

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ZyWALL 5/35/70 Series User’s Guide

387	Chapter 22 Network Address Translation (NAT)

Contents

Page Disclaimer Trademarks Notice Certifications Page Page Note Page Page Page Copyright Federal Communications Commission (FCC) Interference Statement Safety Warnings Table of Contents List of Figures Wizard Setup Registration DMZ Screens Wireless LAN Page Intrusion Detection and Prevention (IDP) Anti-Virus Anti-Spam Content Filtering Screens Content Filtering Reports Introduction to IPSec Network Address Translation (NAT) Static Route Policy Route Bandwidth Management Page Maintenance Introducing the SMT LAN Setup Internet Access DMZ Setup Route Setup Wireless Setup Remote Node Setup IP Static Route Setup Introducing the ZyWALL Firewall SNMP Configuration Firmware and Configuration File Maintenance System Maintenance Menus 8 to Call Scheduling Troubleshooting Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page About This User's Guide Related Documentation User Guide Feedback Syntax Conventions Graphics Icons Key 1.2 ZyWALL Features LAN Port DMZ Ports WLAN Ports Dual Auto-negotiating10/100 Mbps Ethernet WAN (single on the ZyWALL 5) Dial Backup WAN Time and Date Reset Button Dual PCMCIA and CardBus Slot IEEE 802.11 b/g Wireless LAN Load Balancing Bandwidth Management IPSec VPN Capability X-Auth(Extended Authentication) Certificates SSH Content Filtering Anti-Spam Anti-VirusScanner Intrusion Detection and Prevention (IDP) ZyWALL Turbo Card IEEE 802.1x for Network Security Wi-FiProtected Access Wireless LAN MAC Address Filtering WEP Encryption Packet Filtering Dynamic DNS Support IP Multicast IP Alias IP Policy Routing Central Network Management Traffic Redirect Port Forwarding DHCP (Dynamic Host Configuration Protocol) Full Network Management RoadRunner Support 1.3 Applications for the ZyWALL 1.3.1Secure Broadband Internet Access via Cable or DSL Modem 1.3.3 Front Panel LEDs Page Page 2.1 Web Configurator Overview 2.2 Accessing the ZyWALL Web Configurator 2.3 Resetting the ZyWALL 2.4Navigating the ZyWALL Web Configurator HOME MAINTENANCE Device Mode 2.4.1 Router Mode Page 2.4.2 Bridge Mode Page Page 2.4.3 Navigation Panel Page Page Page Page 2.4.4 System Statistics 2.4.5 Show Statistics: Line Chart 2.4.6 DHCP Table Screen Show DHCP Table Host Name MAC Address 2.4.7 VPN Status Page 3.1 Wizard Setup Overview 3.2 Internet Access 3.2.1.1 Ethernet Page 3.2.1.2 PPPoE Encapsulation 3.2.1.3 PPTP Encapsulation Page 3.2.2 Internet Access Wizard: Second Screen Skip Close 3.2.3 Internet Access Wizard: Registration REGISTRATION Service Close Service Activation 3.3 VPN Wizard Gateway Setting 3.4 VPN Wizard Network Setting Page 3.5 VPN Wizard IKE Tunnel Setting (IKE Phase 1) Page 3.6 VPN Wizard IPSec Setting (IKE Phase 2) 3.7 VPN Wizard Status Summary Page Page 3.8 VPN Wizard Setup Complete Page 4.1 myZyXEL.com overview 4.2 Registration Service 4.3 Service Table 21 Service Page 5.1 LAN Overview 5.2 DHCP Setup 5.3 LAN TCP/IP 5.3.2 IP Address and Subnet Mask 5.3.3 RIP Setup RIP Direction Out Only In Only 5.4 DNS Servers 5.5 LAN Figure 35 LAN Table 22 LAN Page 5.6 LAN Static DHCP 5.7 LAN IP Alias Page 5.8 LAN Port Roles DMZ Port Roles WLAN Port Roles Return Page 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 6.3 Bridge Figure 43 Bridge Table 28 Bridge 6.4 Bridge Port Roles Page Page Page 7.1WAN Overview 7.2Multiple WAN 7.3 Load Balancing Introduction 7.4 Load Balancing Algorithms 7.4.1.1 Example 7.4.1.2 Example 7.4.2 Weighted Round Robin 7.4.3 Spillover Route Priority WAN General 7.5 TCP/IP Priority (Metric) 7.6 WAN General Page Page 7.7 Configuring Load Balancing 7.7.1 Least Load First 7.7.2 Weighted Round Robin 7.7.3 Spillover Route Priority 7.8 WAN Route Figure 54 WAN Route Table 36 WAN Route 7.9 WAN IP Address Assignment 7.10 DNS Server Address Assignment 7.11WAN MAC Address 7.12 WAN Page Page 7.12.2 PPPoE Encapsulation Page Page Page 7.12.3 PPTP Encapsulation Page Page 7.13 Traffic Redirect 7.14 Configuring Traffic Redirect 7.15 Configuring Dial Backup Page Page Page 7.16 Advanced Modem Setup 7.17 Configuring Advanced Modem Setup Page Page 8.1 DMZ 8.2 Configuring DMZ Figure 63 DMZ Table 45 DMZ Page 8.3 DMZ Static DHCP Page 8.4 DMZ IP Alias 8.5 DMZ Public IP Address Example 8.6 DMZ Private and Public IP Address Example 8.7 DMZ Port Roles Page Page Page 9.1 Wireless LAN Introduction 9.2 Configuring WLAN Figure 70 WLAN Table 49 WLAN Page 9.3 WLAN Static DHCP 9.4 WLAN IP Alias Page 9.5 WLAN Port Roles Page 9.6 Wireless Security 9.6.1Encryption 9.6.2Authentication 9.7 Security Parameters Summary 9.8 WEP Encryption 9.9 802.1x Overview 9.9.1.1 Types of RADIUS Messages 9.10Dynamic WEP Key Exchange 9.11 Introduction to WPA 9.12 WPA-PSKApplication Example 9.13 Introduction to RADIUS 9.14 WPA with RADIUS Application Example 9.15 Wireless Client WPA Supplicants 9.16 Wireless Card Page 9.16.1 Static WEP WIRELESS CARD Static WEP 9.16.2 WPA-PSK Page 9.16.3 WPA 9.16.4 IEEE 802.1x + Dynamic WEP 802.1x + Dynamic WEP 9.16.5 IEEE 802.1x + Static WEP 802.1x + Static WEP 9.16.6 IEEE 802.1x + No WEP 802.1x + No WEP 9.16.7 No Access 802.1x + Static WEP No Access 802.1x + Static WEP 9.17 MAC Filter Page 10.1 Firewall Overview 10.2 Types of Firewalls 10.3 Introduction to ZyXEL’s Firewall 10.4 Denial of Service 10.4.2 Types of DoS Attacks Ping of Death Teardrop SYN Flood LAND LAND Attack brute-force 10.4.2.1 ICMP Vulnerability 10.4.2.2 Illegal Commands (NetBIOS and SMTP) 10.4.2.3 Traceroute 10.5.1 Stateful Inspection Process Firewall Default Rule 10.5.2Stateful 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 10.7Packet Filtering Vs Firewall 10.7.1.1 When To Use Filtering 10.7.2.1 When To Use The Firewall 11.1 Access Methods 11.2 Firewall Policies Overview Page 11.3 Rule Logic Overview 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 11.5 Alerts 11.6 Firewall Default Rule (Router Mode) 11.7 Firewall Default Rule (Bridge Mode) Page 11.8 Firewall Rule Summary 11.8.1 Firewall Edit Rule Firewall Edit Rule Page Page 11.9 Anti-Probing 11.10 Firewall Threshold 11.10.2.1 TCP Maximum Incomplete and Blocking Time Page 11.11 Service Page 11.11.1 Firewall Edit Custom Service Custom Service 11.11.2 Predefined Services Predefined Services Service DNS (UDP/TCP:53) Page 11.12 Example Firewall Rule Page Any Destination Address(es) Delete Edit Rule Available Services Services Rule Summary Page 12.1 Introduction to IDP 12.1.2 IDS and IDP 12.1.3 Host IDP 12.1.4 Network IDP 12.1.5.1 SQL Slammer Worm 12.1.5.2 Blaster W32.Worm 12.1.5.3 Nimda 12.1.5.4 MyDoom 13.1 Overview 13.2 General Setup 13.3 IDP Signatures Page Intrusion Severity Signature Actions 13.3.4 Configuring IDP Signatures Switch to query view Backup & Restore Page 13.3.5.1Query Example Search Go to Page 13.3.5.2 Query Example 13.4 Update 13.4.2 Configuring IDP Update Auto-Update Page 13.5 Backup and Restore 14.1 Anti-VirusOverview 14.2Introduction to the ZyWALL Anti-VirusScanner 14.2.1 How the ZyWALL Anti-VirusScanner Works 14.2.2 Notes About the ZyWALL Anti-Virus 14.3General Anti-VirusSetup 14.4 Signature Update 14.4.1 mySecurity Zone 14.4.2 Configuring Anti-virusUpdate Page Page 15.1 Anti-SpamOverview 15.1.1.1 SpamBulk Engine 15.1.1.2 SpamRepute Engine 15.1.1.3 SpamContent Engine 15.1.1.4 SpamTricks Engine 15.1.4 Whitelist 15.1.5 Blacklist 15.1.6 SMTP and POP3 15.2 Anti-SpamGeneral Screen 15.3 Anti-SpamExternal DB Screen Page 15.4 Anti-SpamLists Screen Page 15.5 Anti-SpamRule Edit Screen Page Page 16.1 Content Filtering Overview 16.2 Content Filter General Page 16.3 Content Filtering with an External Database 16.4Content Filter Categories Page Page Page Page Page Page 16.5 Content Filter Customization Page 16.6 Customizing Keyword Blocking URL Checking 16.7 Content Filtering Cache Page Page 17.1 Checking Content Filtering Activation 17.2Viewing Content Filtering Reports Registered ZyXEL Products Rename Web Filter Home Date Range Allowed Blocked Action Taken Run Report URLs 17.3 Web Site Submission Page Page 18.1 VPN Overview 18.1.3.1 Encryption 18.1.3.2 Data Confidentiality 18.1.3.3 Data Integrity 18.1.3.4 Data Origin Authentication 18.1.4.1 Linking Two or More Private Networks Together 18.1.4.2 Accessing Network Resources When NAT Is Enabled 18.2 IPSec Architecture 18.3 Encapsulation 18.4IPSec and NAT Page Page 19.1 VPN/IPSec Overview 19.2 IPSec Algorithms 19.3 My ZyWALL 19.4 Remote Gateway Address 19.5 Nailed Up 19.6 NAT Traversal 19.7 ID Type and Content 19.7.1 ID Type and Content Examples 19.8 IKE Phases 19.8.1Negotiation Mode Negotiation Mode Main Mode Aggressive Mode Main Mode 19.9 X-Auth(Extended Authentication) 19.10 VPN Rules (IKE) Page 19.11 VPN Rules (IKE) Gateway Policy Edit Page Page Page Page Page 19.12 VPN Rules (IKE): Network Policy Edit Page Page Page 19.13 VPN Rules (IKE): Network Policy Move 19.14 VPN Rules (Manual) Page 19.15 VPN Rules (Manual): Edit Page Page Page 19.16 VPN SA Monitor 19.17 VPN Global Setting 19.18 Telecommuter VPN/IPSec Examples 19.18.2 Telecommuters Using Unique VPN Rules Example Page 19.19 VPN and Remote Management Page 20.1 Certificates Overview 20.2Self-signedCertificates 20.3 Configuration Summary 20.4 My Certificates Page 20.5 My Certificate Import 20.6 My Certificate Create Page Page 20.7 My Certificate Details Page Page 20.8 Trusted CAs Figure 165 Trusted CAs 20.9 Trusted CA Import 20.10 Trusted CA Details Page Page 20.11 Trusted Remote Hosts Page 20.12 Verifying a Trusted Remote Host’s Certificate 20.13 Trusted Remote Hosts Import 20.14 Trusted Remote Host Certificate Details Page Page 20.15 Directory Servers 20.16 Directory Server Add or Edit Page Page 21.1 Authentication Server Overview 21.2 Local User Database Page 21.3 RADIUS Table 123 RADIUS 22.1 NAT Overview 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 One to One Many to One SUA 22.2 Using NAT 22.3 NAT Overview 22.4 NAT Address Mapping Page 22.4.1 NAT Address Mapping Edit NAT Address Mapping Edit 22.5 Port Forwarding 22.5.1 Default Server IP Address Default Server 22.5.2 Port Forwarding: Services and Port Numbers Port Forwarding 22.5.3 Configuring Servers Behind Port Forwarding (Example) 22.5.4 NAT and Multiple WAN 22.5.5 Port Translation 22.6 Port Forwarding Page 22.7 Port Triggering ADVANCED NAT Port Triggering Page Page 23.1 IP Static Route 23.2 IP Static Route Page 23.2.1 IP Static Route Edit Page 24.1 Policy Route 24.2Benefits 24.3Routing Policy 24.4 IP Routing Policy Setup 24.5 Policy Route Edit Page Page Page 25.1 Bandwidth Management Overview 25.2 Bandwidth Classes and Filters 25.3 Proportional Bandwidth Allocation 25.4 Application-basedBandwidth Management 25.5 Subnet-basedBandwidth Management 25.6 Application and Subnet-basedBandwidth Management 25.7 Scheduler 25.7.4 Reserving Bandwidth for Non-BandwidthClass Traffic Maximize Bandwidth Usage 25.7.5Maximize Bandwidth Usage Example 25.7.5.1 Priority-basedAllotment of Unused and Unbudgeted Bandwidth 25.7.5.2Fairness-basedAllotment of Unused and Unbudgeted Bandwidth 25.8 Bandwidth Borrowing 25.9Maximize Bandwidth Usage With Bandwidth Borrowing 25.10Configuring Summary Page 25.11 Configuring Class Setup 25.11.1 Bandwidth Manager Class Configuration Sub-Class Page H.323 SIP 25.11.2 Bandwidth Management Statistics Bandwidth Management Statistics Statistics 25.12 Configuring Monitor Page Page 26.1 DNS Overview 26.2 DNS Server Address Assignment 26.3DNS Servers 26.4 Address Record 26.5 Name Server Record 26.6 System Screen Figure 200 System DNS Table 147 System DNS 26.6.1 Adding an Address Record System 26.6.2 Inserting a Name Server record 26.7 DNS Cache 26.8 Configure DNS Cache 26.9 Configuring DNS DHCP Figure 204 DNS DHCP Table 151 DNS DHCP 26.10 Dynamic DNS 26.11 Configuring Dynamic DNS Figure 205 DDNS Table 152 DDNS Page Page 27.1 Remote Management Overview 27.2 Introduction to HTTPS 27.3 WWW Figure 207 WWW Table 153 WWW 27.4 HTTPS Example 27.4.2 Netscape Navigator Warning Messages Website Certified by an Unknown Authority Examine Certificate Accept this certificate permanently 27.4.3 Avoiding the Browser Warning Messages Server Certificate CERTIFICATES Subject 27.4.4 Login Screen Page Replace Certificate My Certificates 27.5 SSH 27.6 How SSH works 27.7SSH Implementation on the ZyWALL 27.8 Configuring SSH 27.9 Secure Telnet Using SSH Examples 27.10Secure FTP Using SSH Example 27.11 Telnet 27.12 Configuring TELNET 27.13 FTP 27.14 SNMP Page 27.14.1 Supported MIBs 27.14.2 SNMP Traps 27.14.3 REMOTE MANAGEMENT: SNMP SNMP Figure 227 SNMP Table 158 SNMP 27.15 DNS 27.16 Introducing Vantage CNM 27.17 Configuring CNM Page Page 28.1 Universal Plug and Play Overview 28.2 Configuring UPnP 28.3 Displaying UPnP Port Mapping 28.4 Installing UPnP in Windows Example 28.4.1 Installing UPnP in Windows Me 1Click Start, Settings and Control Panel. Double-click Add/Remove Programs Windows Setup Communication Components 28.5Using UPnP in Windows XP Example 28.5.1Auto-discoverYour UPnP-enabledNetwork Device Network Connections Internet Gateway Properties 28.5.2 Web Configurator Easy Access 1Click Start and then Control Panel 3Select My Network Places under Other Places Local Network Invoke Page 29.1 ALG Introduction 29.2 FTP 29.4 RTP Page 29.5SIP 29.6 ALG Screen Figure 236 ALG Table 163 ALG 30.1 Configuring View Log 30.2 Log Description Example 30.2.1 Certificate Not Trusted Log Note 2Click Download Center and then Certificate Download Certificate Download 30.3 Configuring Log Settings Page Page 30.4 Configuring Reports Figure 241 Reports Table 167 Reports 30.4.1 Viewing Web Site Hits Web Site Hits Report Type 30.4.2 Viewing Protocol/Port Protocol/Port Page 30.4.3 Viewing Host IP Address Host IP Address 30.4.4 Reports Specifications 31.1 Maintenance Overview 31.2 General Setup 31.3 Configuring Password 31.4 Time and Date Page Page 31.5 Pre-definedNTP Time Servers List Page 31.6 Introduction To Transparent Bridging 31.7Transparent Firewalls 31.8 Configuring Device Mode (Router) 31.9 Configuring Device Mode (Bridge) 31.10 F/W Upload Screen Firmware Upload in Process 31.11 Backup and Restore 31.11.1 Backup Configuration 31.11.2 Restore Configuration Page 31.12 Restart Screen 32.1 Introduction to the SMT 32.2 Accessing the SMT via the Console Port 32.3 Navigating the SMT Interface 32.3.1 Main Menu ZyWALL Main Menu Page 32.3.2 SMT Menus Overview Page 32.4 Changing the System Password 32.5 Resetting the ZyWALL 33.1 Introduction to General Setup 33.2 Configuring General Setup Page 33.2.1.1 Editing DDNS Host Menu 1.1.1 - DDNS Edit Host Page Page 34.1Introduction to WAN and Dial Backup Setup 34.2 WAN Setup 34.3 Dial Backup 34.4 Configuring Dial Backup in Menu 34.5 Advanced WAN Setup Edit Advanced Setup Menu 2 - WAN Setup 34.6 Remote Node Profile (Backup ISP) Page 34.7 Editing PPP Options 34.8 Editing TCP/IP Options Page 34.9 Editing Login Script Page 34.10 Remote Node Filter 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 Page None 35.4.1 IP Alias Setup Edit IP Alias Menu 3.2.1 - IP Alias Setup Page 36.1 Introduction to Internet Access Setup 36.2 Ethernet Encapsulation My Login My Password Login Server 36.3 Configuring the PPTP Client 36.4 Configuring the PPPoE Client 36.5 Basic Setup Complete 37.1 Configuring DMZ Setup 37.2 DMZ Port Filter Setup 37.3 TCP/IP Setup 37.3.1 IP Address 2. TCP/IP and DHCP Setup Menu 5.2 37.3.2 IP Alias Setup Menu 5.2.1 - IP Alias Setup Page 38.1 Configuring Route Setup 38.2 Route Assessment 38.3 Traffic Redirect 38.4 Route Failover Page 39.1 Wireless LAN Setup Page 39.1.1 MAC Address Filter Setup 2Enter 1 to display Menu 7.1 - Wireless Setup Edit MAC Address Filter [ENTER]. Menu 7.1.1 - WLAN MAC Address Filter displays as shown next 39.2 TCP/IP Setup 39.2.2IP Alias Setup Menu 7.2.1 - IP Alias Setup Page 40.1 Introduction to Remote Node Setup 40.2 Remote Node Setup 40.3 Remote Node Profile Setup Page 40.3.2.1 Outgoing Authentication Protocol 40.3.2.2 Nailed-UpConnection 40.3.2.3 Metric 40.4 Edit IP My WAN Addr Gateway IP Addr 40.5 Remote Node Filter 40.6 Traffic Redirect Page 41.1 IP Static Route Setup Page 42.1 Using NAT 2Enter 1 to open Menu 11.1 - Remote Node Profile [ENTER] to bring up Menu 11.1.2 - Remote Node Network Layer Options 42.2 NAT Setup 42.2.1.1 SUA Address Mapping Set 42.2.1.2 User-DefinedAddress Mapping Sets 42.2.1.3 Ordering Your Rules Edit Menu 15.1.1.1 - Address Mapping Rule Local Global Start/End IPs 42.3 Configuring a Server behind NAT Menu 15.2.1.2 - NAT Server Configuration Start Port 42.4 General NAT Examples Page 42.4.2 Example 2: Internet Access with an Default Server Default Server 42.4.3 Example 3: Multiple Public IP Addresses With Inside Servers 1 : Many : Menu 15.1 - Address Mapping Sets Network Address Translation Edit Action Page Page 42.4.4 Example 4: NAT Unfriendly Application Programs Many-One-to-One Many 42.5 Trigger Port Forwarding Menu 15.3 - Trigger Ports Menu 15.3.2 - Trigger Port Setup Page 43.1 Using ZyWALL SMT Menus Page 44.1 Introduction to Filters 44.1.1 The Filter Structure of the ZyWALL Page 44.2 Configuring a Filter Set 44.2.1 Configuring a Filter Rule 44.2.2 Configuring a TCP/IP Filter Rule TCP/IP Filter Rule Filter Type Menu 21.1.1.1 - TCP/IP Filter Rule Page 44.2.3 Configuring a Generic Filter Rule Offset Length Mask Value Generic Filter Rule 44.3 Example Filter A = Y Type = IP Pr DP 44.4Filter Types and NAT 44.5 Firewall Versus Filters 44.6 Applying a Filter 44.6.3 Applying Remote Node Filters 45.1 SNMP Configuration 45.2 SNMP Traps 46.1 Introduction to System Status 46.2 System Status Menu 24.1 - System Maintenance - Status 46.3 System Information and Console Port Speed 46.3.2 Console Port Speed Menu 24.2.2 – Console Port Speed 46.4 Log and Trace 46.4.2 Syslog Logging Menu 24.3.2 - System Maintenance - Syslog Logging Page Page 46.5 Diagnostic Menu 24.4 - System Maintenance - Diagnostic 46.5.1 WAN DHCP IP Address Assignment Encapsulation None WAN Release Page Page 47.1 Introduction 47.2 Filename Conventions 47.3 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-basedFTP Clients 47.3.5 File Maintenance Over WAN Secured Client IP 47.3.6Backup Configuration Using TFTP Menu 24 – System Maintenance 47.3.7 TFTP Command Example 47.3.8 GUI-basedTFTP Clients 47.3.9 Backup Via Console Port Transfer Receive File 47.4Restore Configuration Page 47.4.2 Restore Using FTP Session Example 47.4.3 Restore Via Console Port Send File 47.5 Uploading Firmware and Configuration Files 47.5.2 Configuration File Upload 47.5.3 FTP File Upload Command from the DOS Prompt Example 47.5.4FTP 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 47.5.8Uploading Firmware File Via Console Port 47.5.9Example Xmodem Firmware Upload Using HyperTerminal 47.5.10Uploading Configuration File Via Console Port 47.5.11Example Xmodem Configuration Upload Using HyperTerminal Page 48.1 Command Interpreter Mode 48.1.2 Command Usage 48.2 Call Control Support 48.2.2 Call History 48.3 Time and Date Setting Page Page Page 49.1 Remote Management Page 49.1.1 Remote Management Limitations Secure Client IP Page 50.1 IP Routing Policy Summary 50.2 IP Routing Policy Setup 1Type 25 in the main menu to open Menu 25 - IP Routing Policy Summary Menu 25.1 - IP Routing Policy Setup 50.2.1 Applying Policy to Packets Menu 25.1: IP Routing Policy Setup Edit policy to packets received from Menu 25.1.1 - IP Routing Policy Setup 50.3 IP Policy Routing Example 1Create a rule in Menu 25.1 - IP Routing Policy Setup as shown next Menu 25 - IP Routing Policy Summary Page Page 51.1 Introduction to Call Scheduling Duration Page Page 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 52.5.1.1 Internet Explorer Pop-upBlockers 2Select Settings…to open the Pop-upBlocker Settings screen Allowed sites 52.5.1.2JavaScripts Custom Level Scripting Active scripting Scripting of Java applets 52.5.1.3 Java Permissions Advanced 2Make sure that Use Java 2 for <applet> under Java (Sun) is selected 52.6 Packet Flow Page Specification Tables Page Page Page Compatible ZyXEL WLAN Cards WLAN Card and ZyWALL Turbo Card Installation Cable Pin Assignments Page Page General Installation Instructions Desktop Installation Rack-mountedInstallation Requirements Rack-MountedInstallation Page Page Removing a Fuse Installing a Fuse Page Windows 95/98/Me Installing Components Adapter Protocol Microsoft manufacturers Configuring Obtain an IP address automatically Specify an IP address Subnet Mask Disable DNS Windows 2000/NT/XP 3Right-click Local Area Connection and then click Properties Internet Protocol (TCP/IP) •Click Advanced IP Settings TCP/IP Address IP address Subnet mask Use the following DNS server addresses Preferred DNS server Alternate DNS server Macintosh OS 8/9 2Select Ethernet built-in from the Connect via list Using DHCP Server Configure: Macintosh OS Linux Using the K Desktop Environment (KDE) System Setting Ethernet Device General Automatically obtain IP address settings with dhcp Using Configuration Files Page Page IP Addressing IP Classes Subnet Masks Subnetting Example: Two Subnets Page Example: Four Subnets Example Eight Subnets Subnetting With Class A and Class B Networks Page PPPoE in Action Benefits of PPPoE Traditional Dial-upScenario How PPPoE Works ZyWALL as a PPPoE Client What is PPTP PPTP and the ZyWALL PPTP Protocol Overview Control & PPP Connections PPP Data Connection Page Wireless LAN Topologies ESS Channel RTS/CTS Fragmentation Threshold Preamble Type IEEE 802.11g Wireless LAN IEEE RADIUS EAP Authentication Types of Authentication WEP Authentication Steps Dynamic WEP Key Exchange WPA Security Parameters Summary Roaming Page Requirements for Roaming The Ideal Setup The “Triangle Route” Problem The “Triangle Route” Solutions IP Aliasing Gateways on the WAN Side Configuring Triangle Route via Commands Page WinPopup 2Click the Start Menu Programs tab and click Advanced Programs StartUp New Shortcut Create Shortcut Command line Finish Page General Notes VPN Configuration Page BRANCH Page Page Dialing the VPN Tunnel via Web Configurator Figure 471 VPN Dial VPN Troubleshooting Page IPSec Debug Use a VPN Tunnel Import ZyWALL Certificates into Netscape Navigator Importing the ZyWALL’s Certificate into Internet Explorer 2Click Install Certificate to open the Install Certificate wizard Install Certificate Import Certificate Page Enrolling and Importing SSL Client Certificates Installing the CA’s Certificate Installing Your Personal Certificate(s) File name Place all certificates in the following store Using a Certificate When Accessing the ZyWALL Example Page Page Command Syntax Command Usage Page Page Page Page Page Page Page Introduction Display NetBIOS Filter Settings NetBIOS Filter Configuration Page Page Page Page Page Page Example Page Firmware and Configuration File Maintenance Page Page Page Page Page Table 280 ICMP Logs Table 281 CDR Logs Table 282 PPP Logs Table 283 UPnP Logs Page Page Table 288 IPSec Logs Table 289 IKE Logs Page Page Table 290 PKI Logs Page Page Page Table 295 IDP Logs Table 296 AV Logs Table 297 AS Logs Page Syslog Logs Page Log Commands Log Command Example Numerics

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