用户手册目录Reference Manual for the 54 Mbps Wireless ADSL Firewall Router DG834G1Contents5Chapter 1 About This Guide13Audience, Conventions, Scope13How to Use this Manual14How to Print this Manual15Chapter 2 Introduction17About the Router17Key Features18802.11 Standards-based Wireless Networking18A Powerful, True Firewall18Content Filtering19Auto Sensing and Auto Uplink™ LAN Ethernet Connections19Protocol Support19Easy Installation and Management20What’s in the Box?21The Router’s Front Panel22The Router’s Rear Panel23Chapter 3 Connecting the Router to the Internet25What You Need Before You Begin25ADSL Microfilter Requirements25ADSL Microfilter25ADSL Microfilter with Built-In Splitter26Ethernet Cabling Requirements26Computer Hardware Requirements26LAN Configuration Requirements26Internet Configuration Requirements27Where Do I Get the Internet Configuration Parameters?27Record Your Internet Connection Information27Connecting the DG834G to Your LAN29How to Connect the Router29Auto-Detecting Your Internet Connection Type33Wizard-Detected PPPoE Login Account Setup35Wizard-Detected PPPoA Login Account Setup35Wizard-Detected Dynamic IP Account Setup36Wizard-Detected IP Over ATM Account Setup36Wizard-Detected Fixed IP (Static) Account Setup37Testing Your Internet Connection38Manually Configuring Your Internet Connection39How to Perform Manual Configuration40Internet Connection Requires Login and Uses PPPoE40Internet Connection Requires Login and Uses PPPoA41Internet Connection Does Note Require A Login42ADSL Settings43Chapter 4 Wireless Configuration45Considerations for a Wireless Network45Observe Performance, Placement, and Range Guidelines45Implement Appropriate Wireless Security46Understanding Wireless Settings47How to Set Up and Test Basic Wireless Connectivity49Restricting Wireless Access to Your Network50Restricting Access to Your Network by Turning Off Wireless Connectivity50Restricting Wireless Access Based on the Wireless Network Name (SSID)50Restricting Wireless Access Based on the Wireless Station Access List51Choosing WEP Authentication and Security Encryption Methods53Authentication Type Selection53Encryption Choices54How to Configure WEP54Chapter 5 Protecting Your Network57Protecting Access to Your DG834G 54 Mbps Wireless ADSL Firewall Router57How to Change the Built-In Password57Changing the Administrator Login Timeout58Configuring Basic Firewall Services58Blocking Keywords, Sites, and Services59How to Block Keywords and Sites59Firewall Rules61Inbound Rules (Port Forwarding)62Inbound Rule Example: A Local Public Web Server63Inbound Rule Example: Allowing Videoconferencing64Considerations for Inbound Rules65Outbound Rules (Service Blocking)65Outbound Rule Example: Blocking Instant Messenger66Order of Precedence for Rules67Services68How to Define Services68Setting Times and Scheduling Firewall Services69How to Set Your Time Zone69How to Schedule Firewall Services71Chapter 6 Managing Your Network73Backing Up, Restoring, or Erasing Your Settings73How to Back Up the Configuration to a File73How to Restore the Configuration from a File74How to Erase the Configuration74Upgrading the Router’s Firmware74How to Upgrade the Router Firmware75Network Management Information76Viewing Router Status and Usage Statistics76Viewing Attached Devices81Viewing, Selecting, and Saving Logged Information82Selecting What Information to Log83Saving Log Files on a Server84Examples of Log Messages84Activation and Administration84Dropped Packets84Enabling Security Event E-mail Notification85Running Diagnostic Utilities and Rebooting the Router86Enabling Remote Management87Configuring Remote Management87Chapter 7 Advanced Configuration89Configuring Advanced Security89Setting Up A Default DMZ Server89How to Configure a Default DMZ Server90Connect Automatically, as Required91Disable Port Scan and DOS Protection91Respond to Ping on Internet WAN Port91MTU Size91Configuring LAN IP Settings91DHCP93Use Router as DHCP server93Reserved IP addresses94How to Configure LAN TCP/IP Settings95Configuring Dynamic DNS95How to Configure Dynamic DNS96Using Static Routes97Static Route Example97How to Configure Static Routes98Chapter 8 Troubleshooting101Basic Functioning101Power LED Not On102Test LED Never Turns On or Test LED Stays On102LAN or WAN Port LEDs Not On102Troubleshooting the Web Configuration Interface103Troubleshooting the ISP Connection104ADSL link104WAN LED Blinking Yellow104WAN LED Off104Obtaining a WAN IP Address105Troubleshooting PPPoE or PPPoA106Troubleshooting Internet Browsing106Troubleshooting a TCP/IP Network Using the Ping Utility107Testing the LAN Path to Your Router107Testing the Path from Your Computer to a Remote Device108Restoring the Default Configuration and Password109Using the Reset button109Problems with Date and Time109Appendix A Technical Specifications111Appendix B Network and Routing Basics113Related Publications113Basic Router Concepts113What is a Router?114Routing Information Protocol114IP Addresses and the Internet114Netmask116Subnet Addressing117Private IP Addresses119Single IP Address Operation Using NAT120MAC Addresses and Address Resolution Protocol121Related Documents121Domain Name Server122IP Configuration by DHCP122Internet Security and Firewalls122What is a Firewall?123Stateful Packet Inspection123Denial of Service Attack123Ethernet Cabling123Category 5 Cable Quality124Inside Twisted Pair Cables125Uplink Switches, Crossover Cables, and MDI/MDIX Switching126Appendix C Preparing Your Network129Preparing Your Computers for TCP/IP Networking129Configuring Windows 95, 98, and Me for TCP/IP Networking130Install or Verify Windows Networking Components130Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me132Selecting Windows’ Internet Access Method134Verifying TCP/IP Properties134Configuring Windows NT4, 2000 or XP for IP Networking135Install or Verify Windows Networking Components135DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4136DHCP Configuration of TCP/IP in Windows XP136DHCP Configuration of TCP/IP in Windows 2000138DHCP Configuration of TCP/IP in Windows NT4141Verifying TCP/IP Properties for Windows XP, 2000, and NT4143Configuring the Macintosh for TCP/IP Networking144MacOS 8.6 or 9.x144MacOS X144Verifying TCP/IP Properties for Macintosh Computers145Verifying the Readiness of Your Internet Account146Are Login Protocols Used?146What Is Your Configuration Information?146Obtaining ISP Configuration Information for Windows Computers147Obtaining ISP Configuration Information for Macintosh Computers148Restarting the Network149Appendix D Wireless Networking Basics151Wireless Networking Overview151Infrastructure Mode151Ad Hoc Mode (Peer-to-Peer Workgroup)152Network Name: Extended Service Set Identification (ESSID)152Authentication and WEP152802.11b Authentication153Open System Authentication153Shared Key Authentication154Overview of WEP Parameters155Key Size156WEP Configuration Options156Wireless Channels157Glossary159Index163文件大小： 2.5 MB页数： 166Language: English打开用户手册
