사용자 설명서차례Reference Manual for the Model DG834G Wireless ADSL Firewall Router1Contents5Chapter 1 About This Guide13Audience, Conventions, Scope13How to Use this Manual14How to Print this Manual15Chapter 2 Introduction17About the Router17Key Features18802.11b 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 Configuration39Internet 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 Methods52Authentication Type Selection53Encryption Choices53How to Configure WEP54Chapter 5 Protecting Your Network57Protecting Access to Your DG834G 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 Server62Inbound Rule Example: Allowing Videoconferencing64Considerations for Inbound Rules64Outbound Rules (Service Blocking)65Outbound Rule Example: Blocking Instant Messenger65Order of Precedence for Rules67Services67How to Define Services68Setting Times and Scheduling Firewall Services69How to Set Your Time Zone69How to Schedule Firewall Services70Chapter 6 Managing Your Network71Backing Up, Restoring, or Erasing Your Settings71How to Back Up the Configuration to a File71How to Restore the Configuration from a File72How to Erase the Configuration72Upgrading the Router’s Firmware72How to Upgrade the Router Firmware73Network Management Information74Viewing Router Status and Usage Statistics74Viewing Attached Devices79Viewing, Selecting, and Saving Logged Information80Selecting What Information to Log81Saving Log Files on a Server82Examples of Log Messages82Activation and Administration82Dropped Packets82Enabling Security Event E-mail Notification83Running Diagnostic Utilities and Rebooting the Router84Enabling Remote Management84Configuring Remote Management85Chapter 7 Advanced Configuration87Configuring Advanced Security87Setting Up A Default DMZ Server87How to Configure a Default DMZ Server88Connect Automatically, as Required89Disable Port Scan and DOS Protection89Respond to Ping on Internet WAN Port89MTU Size89Configuring LAN IP Settings89DHCP91Use Router as DHCP server91Reserved IP addresses92How to Configure LAN TCP/IP Settings93Configuring Dynamic DNS93How to Configure Dynamic DNS94Using Static Routes95Static Route Example95How to Configure Static Routes96Chapter 8 Troubleshooting99Basic Functioning99Power LED Not On100Test LED Never Turns On or Test LED Stays On100LAN or WAN Port LEDs Not On100Troubleshooting the Web Configuration Interface101Troubleshooting the ISP Connection102ADSL link102WAN LED Blinking Yellow102WAN LED Off102Obtaining a WAN IP Address103Troubleshooting PPPoE or PPPoA104Troubleshooting Internet Browsing104Troubleshooting a TCP/IP Network Using the Ping Utility105Testing the LAN Path to Your Router105Testing the Path from Your Computer to a Remote Device106Restoring the Default Configuration and Password107Using the Reset button107Problems with Date and Time107Appendix A Technical Specifications109Appendix B Network and Routing Basics111Related Publications111Basic Router Concepts111What is a Router?112Routing Information Protocol112IP Addresses and the Internet112Netmask114Subnet Addressing115Private IP Addresses117Single IP Address Operation Using NAT118MAC Addresses and Address Resolution Protocol119Related Documents119Domain Name Server120IP Configuration by DHCP120Internet Security and Firewalls120What is a Firewall?121Stateful Packet Inspection121Denial of Service Attack121Ethernet Cabling121Category 5 Cable Quality122Inside Twisted Pair Cables123Uplink Switches, Crossover Cables, and MDI/MDIX Switching124Appendix C Preparing Your Network127Preparing Your Computers for TCP/IP Networking127Configuring Windows 95, 98, and Me for TCP/IP Networking128Install or Verify Windows Networking Components128Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me130Selecting Windows’ Internet Access Method132Verifying TCP/IP Properties132Configuring Windows NT4, 2000 or XP for IP Networking133Install or Verify Windows Networking Components133DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4134DHCP Configuration of TCP/IP in Windows XP134DHCP Configuration of TCP/IP in Windows 2000136DHCP Configuration of TCP/IP in Windows NT4139Verifying TCP/IP Properties for Windows XP, 2000, and NT4141Configuring the Macintosh for TCP/IP Networking142MacOS 8.6 or 9.x142MacOS X142Verifying TCP/IP Properties for Macintosh Computers143Verifying the Readiness of Your Internet Account144Are Login Protocols Used?144What Is Your Configuration Information?144Obtaining ISP Configuration Information for Windows Computers145Obtaining ISP Configuration Information for Macintosh Computers146Restarting the Network147Appendix D Wireless Networking Basics149Wireless Networking Overview149Infrastructure Mode149Ad Hoc Mode (Peer-to-Peer Workgroup)150Network Name: Extended Service Set Identification (ESSID)150Authentication and WEP151802.11b Authentication151Open System Authentication152Shared Key Authentication152Overview of WEP Parameters153Key Size154WEP Configuration Options155Wireless Channels155Glossary157Index161크기: 3.26메가바이트페이지: 164Language: English매뉴얼 열기