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ZyXEL Communications P-793H manual

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P-793H

G.SHDSL.bis 4-port Security Gateway

User’s Guide

Version 3.40 1/2007 Edition 2

www.zyxel.com

Contents

Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Part VI: Appendices and Index Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page PART Introduction Wizards and Tutorials Page 1.1 Overview 1.1.2 High-speed Point-to-pointConnections 1.1.3 High-speed Point-to-2pointsConnections 1.2 Ways to Manage the ZyXEL Device 1.3Good Habits for Managing the ZyXEL Device 1.4LEDs Page 2.1 Web Configurator Overview 2.2Accessing the Web Configurator Page 2.3Navigating the Web Configurator Page Page 2.4 Status Screen Page 2.4.1 Status: Bandwidth Status 2.4.2 Status: Packet Statistics 2.5 Resetting the ZyXEL Device Page 3.1 Internet Setup Wizard 3.1.2 Screen Page Page 3.1.3 Screen 3.2 Bandwidth Management Wizard 3.2.1 Screen 3.2.2 Screen 3.2.3 Screen 4.1 Point-to-pointConnection Overview 4.2 Point-to-pointConnection Procedure 4.3 Point-to-2pointsConnection Overview 4.4 Point-to-2pointConnection Procedure 4.4.2 Set up the Clients 4.4.3Connect the ZyXEL Devices Page Network Setup Page 5.1 WAN Overview 5.1.2 Multiplexing 5.1.3 VPI and VCI 5.1.4 IP Address Assignment 5.2 Metric 5.3 Traffic Shaping 5.4 Internet Connection Page Page 5.4.1 2Wire-2LineService Mode 5.4.2 Configuring Advanced Internet Connection Page 5.5 Configuring More Connections Page Page 5.5.2 Configuring More Connections Advanced Setup 5.6 Traffic Redirect 5.7 Dial Backup Interface 5.8 Configuring WAN Backup Setup Page Page 5.8.1 Advanced Backup Setup Page 5.8.2 Advanced Modem Settings for Dial Backup Page 6.1 LAN Overview 6.1.2 DHCP Setup 6.1.3 DNS Server Address 6.1.4 DNS Server Address Assignment 6.2LAN TCP/IP 6.2.2RIP Setup 6.3 Configuring LAN IP 6.3.1 Configuring Advanced LAN Setup 6.4 DHCP Setup 6.5 LAN Client List 6.6 LAN IP Alias Page 7.1 NAT Overview 7.1.2 What NAT Does 7.1.3 How NAT Works 7.1.4 NAT Application 7.1.5 NAT Mapping Types 7.2 SUA (Single User Account) Versus NAT 7.3NAT General Setup 7.4 Port Forwarding 7.5Configuring Port Forwarding Page 7.5.1 Port Forwarding Rule Edit 7.6Address Mapping 7.6.1 Address Mapping Rule Edit Page Page ART Security and Advanced Setup Page 8.1 Firewall Overview 8.2 Types of Firewalls 8.3 Introduction to ZyXEL’s Firewall 8.4 Denial of Service Page Page 8.5 Stateful Inspection 8.5.1 Stateful Inspection Process 8.5.2Stateful Inspection and the ZyXEL Device 8.5.3TCP Security 8.5.4 UDP/ICMP Security 8.5.5 Upper Layer Protocols 8.6Guidelines for Enhancing Security with Your Firewall 8.7Packet Filtering vs. Firewall Page 9.1 Access Methods 9.2 Firewall Policies Overview 9.3Rule Logic Overview 9.4 Connection Direction 9.5 Triangle Route 9.6 General Firewall Policy Page 9.7Firewall Rules Summary 9.7.1 Configuring Firewall Rules Page Page 9.7.2 Customized Services 9.7.3 Configuring A Customized Service 9.8 Example Firewall Rule Page Page Page 9.9 Anti-Probing 9.10 DoS Thresholds 9.10.2 Half-OpenSessions 9.10.3Configuring Firewall Thresholds Page Page 10.1 Content Filtering Overview 10.2 Configuring Keyword Blocking 10.3 Configuring the Schedule 10.4 Configuring Trusted Computers Page 11.1 IPSec VPN Overview 11.1.1 IKE SA Overview Page Page 11.1.2 Additional Topics for IKE SA 11.1.3IPSec SA Overview Page 11.1.4 Additional Topics for IPSec SA 11.2VPN Setup Screen Page 11.3 Editing VPN Policies Page Page Page 11.4 Configuring Advanced IKE Settings Page 11.5 Configuring Manual Key Page Page 11.6 Viewing SA Monitor 11.7 Configuring Global Setting 11.8 Telecommuter VPN/IPSec Examples 11.8.2 Telecommuters Using Unique VPN Rules Example 11.9 VPN and Remote Management 12.1 Static Route 12.2 Configuring Static Route 12.2.1 Static Route Edit Page Page 13.1 Bandwidth Management Overview 13.2 Application-basedBandwidth Management 13.3 Subnet-basedBandwidth Management 13.4 Application and Subnet-basedBandwidth Management 13.5 Scheduler 13.6 Maximize Bandwidth Usage Page 13.7 Configuring Summary Page 13.8 Bandwidth Management Rule Setup 13.8.1 Rule Configuration 13.9 Bandwidth Monitor Page 14.1 Dynamic DNS Overview 14.2 Configuring Dynamic DNS Page Page Page 15.1 Remote Management Overview 15.2 WWW 15.3 Telnet 15.4 Configuring Telnet 15.5 Configuring FTP 15.6 SNMP 15.6.1Supported MIBs 15.6.2 SNMP Traps 15.6.3 Configuring SNMP 15.7 Configuring DNS 15.8 Configuring ICMP 15.9 TR-069 Page 16.1 Introducing Universal Plug and Play 16.2 UPnP and ZyXEL 16.3 Installing UPnP in Windows Example Page Page 16.4 Using UPnP in Windows XP Example Page Page Page Page Page Page Maintenance Page 17.1 General Setup Page 17.2 Time Setting Page Page Page 18.1 Logs Overview 18.2 Viewing the Logs 18.3 Configuring Log Settings Page Page 19.1 Firmware Upgrade Page 19.2 Configuration Page 19.3 Restart Page 20.1 General Diagnostic 20.2 DSL Line Diagnostic Page SMT and Troubleshooting Page 21.1 Accessing the SMT 21.2SMT Menu Items Page 21.3 Navigating the SMT Interface Page Page 22.1 Configuring General Setup 22.1.1 Configuring Dynamic DNS Page Page 23.1 WAN Setup Page 23.1.1 2wire-2lineService Mode 23.2 Configuring Traffic Redirect 23.3 Dial Backup Interface 23.4Configuring Dial Backup in Menu 23.5Advanced Dial Backup Setup Page Page 24.1 Accessing the LAN Menus 24.2LAN Port Filter Setup 24.3 TCP/IP and DHCP Setup Menu 24.4 LAN IP Alias 24.4.1 Port-basedVLAN Setup Page Page 25.1 Internet Access Setup Page 26.1 Introduction to Remote Node Setup 26.2 Remote Node Setup 26.3 Remote Node Profile Page Page Page 26.4 Remote Node Network Layer Options Page 26.5 Remote Node Filter 26.6 Remote Node ATM Layer Options Page 26.7 Advance Setup Options 27.1 IP Static Route Setup 27.2 Bridge Static Route Setup Page Page 28.1Using NAT Page 28.2 NAT Setup Page Page 28.3Configuring a Server behind NAT Page 28.4 General NAT Examples 28.4.2 Example 2: Internet Access with a Default Server 28.4.3 Example 3: Multiple Public IP Addresses With Inside Servers Page Page 28.4.4 Example 4: NAT Unfriendly Application Programs Page 29.1 Using ZyXEL Device SMT Menus Page 30.1 Introduction to Filters 30.1.1 The Filter Structure of the ZyXEL Device 30.2 Configuring a Filter Set Page 30.2.1 Configuring a Filter Rule 30.2.2 Configuring a TCP/IP Filter Rule Page 30.2.3 Configuring a Generic Filter Rule Page 30.3 Example Filter Page 30.4Filter Types and NAT 30.5 Firewall Versus Filters 30.6 Applying a Filter 30.6.1 Applying LAN Filters 30.6.2 Applying Remote Node Filters Page 31.1 SNMP Configuration Page Page Page 33.1 Introduction to System Status 33.2 System Status Page 33.3 System Information and Console Port Speed 33.3.2 Console Port Speed 33.4 Log and Trace 33.4.2 Syslog Logging Page 33.5 Diagnostic Page Page 34.1 Introduction 34.2 Filename Conventions 34.3Backup Configuration 34.3.2 Using the FTP Command from the Command Line 34.3.3Example of FTP Commands from the Command Line 34.3.4 GUI-basedFTP Clients 34.3.5 File Maintenance Over WAN 34.3.6Backup Configuration Using TFTP 34.3.7 TFTP Command Example 34.3.8 GUI-basedTFTP Clients 34.3.9 Backup Via Console Port 34.4Restore Configuration 34.4.1 Restore Using FTP 34.4.2 Restore Using FTP Session Example 34.4.3 Restore Via Console Port 34.5 Uploading Firmware and Configuration Files 34.5.3 FTP File Upload Command from the DOS Prompt Example 34.5.4 FTP Session Example of Firmware File Upload 34.5.5 TFTP File Upload 34.5.6 TFTP Upload Command Example 34.5.7 Uploading Via Console Port 34.5.8Uploading Firmware File Via Console Port 34.5.9Example Xmodem Firmware Upload Using HyperTerminal 34.5.10Uploading Configuration File Via Console Port 34.5.11Example Xmodem Configuration Upload Using HyperTerminal Page 35.1 Command Interpreter Mode 35.2 Call Control Support 35.3 Time and Date Setting Page 35.4 Remote Management 35.4.1 Remote Management Limitations 36.1 Policy Route 36.2Benefits 36.3Routing Policy 36.4 IP Routing Policy Setup 36.5IP Routing Policy Setup Page 36.6 IP Routing Policy 36.7 IP Policy Routing Example Page 37.1 Schedule Set Overview 37.2 Schedule Setup 37.3 Schedule Set Setup Page Page 38.1Power, Hardware Connections, and LEDs 38.2 ZyXEL Device Access and Login Page 38.3 Internet Access 38.4Advanced Features 38.5Reset the ZyXEL Device to Its Factory Defaults Page Appendices and Index Page Page Page Page Page Page Page Windows 95/98/Me Page Page Windows 2000/NT/XP Page Page Page Page Macintosh OS 8/9 Page Macintosh OS Linux Page Page Page Page Internet Explorer Pop-upBlockers Page Page JavaScripts Java Permissions Page Introduction to IP Addresses Structure Subnet Masks Notation Subnetting Example: Four Subnets Example: Eight Subnets Subnet Planning Configuring IP Addresses Page Case D: Two or more subscribers have the same IP address Page Page Page Page Page Page Command Syntax Command Usage Command Examples Configuring What You Want the ZyXEL Device to Log Routing Command ARP Behavior and the ARP ackGratuitous Commands Setting the Key Length for Phase 2 IPSec AES Encryption Page Page Page Page Page Page Page Page Page Page Page Page Page Page Log Commands Page Log Command Example Introduction Display NetBIOS Filter Settings NetBIOS Filter Configuration Copyright Certifications ZyXEL Limited Warranty