User ManualTable of ContentsUser’s Guide1About This User's Guide3Document Conventions4Safety Warnings6Contents Overview9Table of Contents11List of Figures21List of Tables27Introduction31Introducing the ZyXEL Device331.1 Overview331.2 Ways to Manage the ZyXEL Device351.3 Good Habits for Managing the ZyXEL Device351.4 LEDs351.5 Hardware Connections36Introducing the Web Configurator372.1 Web Configurator Overview372.2 Accessing the Web Configurator372.2.1 User Access382.2.2 Administrator Access382.3 Resetting the ZyXEL Device402.3.1 Using the Reset Button402.4 Navigating the Web Configurator402.4.1 Navigation Panel402.4.2 Status Screen432.4.3 Status: Any IP Table462.4.4 Status: WLAN Status462.4.5 Status: Bandwidth Status472.4.6 Status: Packet Statistics472.4.7 Changing Login Password49Wizards51Wizard Setup for Internet Access533.1 Introduction533.2 Internet Access Wizard Setup533.2.1 Automatic Detection553.2.2 Manual Configuration553.3 Wireless Connection Wizard Setup603.3.1 Manually assign a WPA-PSK key633.3.2 Manually assign a WEP key63Bandwidth Management Wizard674.1 Introduction674.2 Predefined Media Bandwidth Management Services674.3 Bandwidth Management Wizard Setup68Network73WAN Setup755.1 WAN Overview755.1.1 Encapsulation755.1.2 Multiplexing765.1.3 Encapsulation and Multiplexing Scenarios765.1.4 VPI and VCI775.1.5 IP Address Assignment775.1.6 Nailed-Up Connection (PPP)775.1.7 NAT785.2 Metric785.3 Traffic Shaping785.3.1 ATM Traffic Classes795.4 Zero Configuration Internet Access805.5 Internet Connection805.5.1 Configuring Advanced Internet Connection Setup825.6 Configuring More Connections845.6.1 More Connections Edit855.6.2 Configuring More Connections Advanced Setup885.7 Traffic Redirect895.8 Configuring WAN Backup89LAN Setup936.1 LAN Overview936.1.1 LANs, WANs and the ZyXEL Device936.1.2 DHCP Setup946.2 DNS Server Addresses946.3 LAN TCP/IP946.3.1 IP Address and Subnet Mask956.3.2 RIP Setup966.3.3 Multicast966.3.4 Any IP976.4 Configuring LAN IP986.4.1 Configuring Advanced LAN Setup996.5 DHCP Setup1006.6 LAN Client List1016.7 LAN IP Alias102Wireless LAN1057.1 Wireless Network Overview1057.2 Wireless Security Overview1067.2.1 SSID1067.2.2 MAC Address Filter1067.2.3 User Authentication1067.2.4 Encryption1077.2.5 One-Touch Intelligent Security Technology (OTIST)1087.3 General Wireless LAN Screen1087.3.1 No Security1097.3.2 WEP Encryption1107.3.3 WPA-PSK/WPA2-PSK1117.3.4 WPA/WPA21137.3.5 Wireless LAN Advanced Setup1157.4 OTIST1177.4.1 Enabling OTIST1177.4.2 Starting OTIST1197.4.3 Notes on OTIST1207.5 MAC Filter1217.6 WMM QoS1227.6.1 WMM QoS Example1227.6.2 WMM QoS Priorities1227.6.3 Services1237.7 QoS Screen1257.7.1 ToS (Type of Service) and WMM QoS1257.7.2 Application Priority Configuration127Network Address Translation (NAT) Screens1298.1 NAT Overview1298.1.1 NAT Definitions1298.1.2 What NAT Does1308.1.3 How NAT Works1308.1.4 NAT Application1308.1.5 NAT Mapping Types1318.2 SUA (Single User Account) Versus NAT1328.3 SIP ALG1328.4 NAT General Setup1338.5 Port Forwarding1338.5.1 Default Server IP Address1348.5.2 Port Forwarding: Services and Port Numbers1348.5.3 Configuring Servers Behind Port Forwarding (Example)1358.6 Configuring Port Forwarding1358.6.1 Port Forwarding Rule Edit1368.7 Address Mapping1378.7.1 Address Mapping Rule Edit139Security141Firewalls1439.1 Firewall Overview1439.2 Types of Firewalls1439.2.1 Packet Filtering Firewalls1439.2.2 Application-level Firewalls1449.2.3 Stateful Inspection Firewalls1449.3 Introduction to ZyXEL’s Firewall1449.3.1 Denial of Service Attacks1459.4 Denial of Service1459.4.1 Basics1459.4.2 Types of DoS Attacks1469.5 Stateful Inspection1489.5.1 Stateful Inspection Process1499.5.2 Stateful Inspection and the ZyXEL Device1509.5.3 TCP Security1509.5.4 UDP/ICMP Security1519.5.5 Upper Layer Protocols1519.6 Guidelines for Enhancing Security with Your Firewall1529.6.1 Security In General1529.7 Packet Filtering Vs Firewall1539.7.1 Packet Filtering:1539.7.2 Firewall153Firewall Configuration15510.1 Access Methods15510.2 Firewall Policies Overview15510.3 Rule Logic Overview15610.3.1 Rule Checklist15610.3.2 Security Ramifications15610.3.3 Key Fields For Configuring Rules15710.4 Connection Direction15710.4.1 LAN to WAN Rules15810.4.2 Alerts15810.5 General Firewall Policy15810.6 Firewall Rules Summary15910.6.1 Configuring Firewall Rules16110.6.2 Customized Services16410.6.3 Configuring a Customized Service16410.7 Example Firewall Rule16510.8 Predefined Services16910.9 Anti-Probing17110.10 DoS Thresholds17210.10.1 Threshold Values17210.10.2 Half-Open Sessions17310.10.3 Configuring Firewall Thresholds173Content Filtering17711.1 Content Filtering Overview17711.2 Configuring Keyword Blocking17711.3 Configuring the Schedule17811.4 Configuring Trusted Computers179Advanced181Static Route18312.1 Static Route18312.2 Configuring Static Route18312.2.1 Static Route Edit184Bandwidth Management18713.1 Bandwidth Management Overview18713.2 Application-based Bandwidth Management18713.3 Subnet-based Bandwidth Management18713.4 Application and Subnet-based Bandwidth Management18813.5 Scheduler18813.5.1 Priority-based Scheduler18813.5.2 Fairness-based Scheduler18913.6 Maximize Bandwidth Usage18913.6.1 Reserving Bandwidth for Non-Bandwidth Class Traffic18913.6.2 Maximize Bandwidth Usage Example18913.6.3 Bandwidth Management Priorities19113.7 Over Allotment of Bandwidth19113.8 Configuring Summary19113.9 Bandwidth Management Rule Setup19213.10 DiffServ19413.10.1 DSCP and Per-Hop Behavior19413.10.2 Rule Configuration19413.11 Bandwidth Monitor197Dynamic DNS Setup19914.1 Dynamic DNS Overview19914.1.1 DYNDNS Wildcard19914.2 Configuring Dynamic DNS199Remote Management Configuration20315.1 Remote Management Overview20315.1.1 Remote Management Limitations20415.1.2 Remote Management and NAT20415.1.3 System Timeout20415.2 WWW20415.3 Telnet20515.4 Configuring Telnet20515.5 Telnet Login20615.6 Configuring FTP20715.7 SNMP20715.7.1 Supported MIBs20915.7.2 SNMP Traps20915.7.3 Configuring SNMP20915.8 Configuring DNS21015.9 Configuring ICMP211Universal Plug-and-Play (UPnP)21316.1 Introducing Universal Plug and Play21316.1.1 How do I know if I'm using UPnP?21316.1.2 NAT Traversal21316.1.3 Cautions with UPnP21316.2 UPnP and ZyXEL21416.2.1 Configuring UPnP21416.3 Installing UPnP in Windows Example21516.3.1 Installing UPnP in Windows Me21516.3.2 Installing UPnP in Windows XP21616.4 Using UPnP in Windows XP Example21716.4.1 Auto-discover Your UPnP-enabled Network Device21816.4.2 Web Configurator Easy Access221Maintenance and Troubleshooting225System22717.1 General Setup22717.1.1 General Setup and System Name22717.1.2 General Setup22717.2 Time Setting229Logs23318.1 Logs Overview23318.1.1 Alerts and Logs23318.2 Viewing the Logs23318.3 Configuring Log Settings23418.3.1 Example E-mail Log23618.4 Log Descriptions237Tools25119.1 Firmware Upgrade25119.2 Configuration Screen25319.2.1 Backup Configuration25319.2.2 Restore Configuration25419.2.3 Back to Factory Defaults25519.3 Restart255Diagnostic25720.1 General Diagnostic25720.2 DSL Line Diagnostic257Troubleshooting25921.1 Power, Hardware Connections, and LEDs25921.2 ZyXEL Device Access and Login26021.3 Internet Access261Appendices and Index263Product Specifications and Wall Mounting265Wireless LANs271Setting up Your Computer’s IP Address285IP Addresses and Subnetting301Firewall Commands309Internal SPTGEN315Command Interpreter331Pop-up Windows, JavaScripts and Java Permissions333NetBIOS Filter Commands339Splitters and Microfilters341Triangle Route345Legal Information347Customer Support351Index357Size: 10.7 MBPages: 364Language: EnglishOpen manual
