NETGEAR DG834 - ADSL Firewall Router User Manual

SM-DG834NA-1
August 2003
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
Reference Manual for the
Model DG834 ADSL
Firewall Router

NETGEAR DG834 - ADSL Firewall Router Specifications

General

Type	ADSL Firewall Router
WAN Ports	1
LAN Ports	4
Wireless	No
Firewall	Yes
NAT	Yes
DHCP Server	Yes
ADSL Standard	G.992.1 (G.dmt)
Security Features	VPN passthrough

Summary

About This Guide

Audience, Conventions, Scope

Discusses manual's assumptions, conventions, and scope for users.

How to Use this Manual

Explains how to navigate and use the manual's HTML version effectively.

How to Print this Manual

Provides clear options for printing the manual's content.

Introduction

About the Router

Introduces the NETGEAR DG834 ADSL Firewall Router and its core functions.

Key Features

Lists and describes the main features of the DG834 router.

A Powerful, True Firewall

Details the firewall capabilities, including DoS protection and traffic blocking.

Content Filtering

Explains the router's ability to screen web content based on keywords.

Auto Sensing and Auto Uplink™ LAN Ethernet Connections

Describes how the router handles Ethernet connections automatically.

Protocol Support

Lists supported protocols like TCP/IP, RIP, NAT, and DHCP.

Easy Installation and Management

Highlights features simplifying router setup and operation.

What’s in the Box?

Lists the items included in the product package.

The Router’s Front Panel

Describes the LEDs and controls on the front of the router.

The Router’s Rear Panel

Details the ports and connectors on the rear of the router.

Connecting the Router to the Internet

What You Need Before You Begin

Lists prerequisites for establishing an Internet connection.

ADSL Microfilter Requirements

Explains the need for ADSL microfilters for telephone line compatibility.

ADSL Microfilter

Describes the function and usage of ADSL microfilters.

ADSL Microfilter with Built-In Splitter

Explains the use of combined microfilter/splitter units.

Ethernet Cabling Requirements

Specifies the type of Ethernet cables needed for network connections.

Computer Hardware Requirements

Lists hardware requirements for computers connecting to the router.

LAN Configuration Requirements

Outlines TCP/IP configuration needs for initial router setup.

Internet Configuration Requirements

Lists parameters needed for router's Internet connection setup.

Where Do I Get the Internet Configuration Parameters?

Guides users on obtaining necessary ISP configuration details.

Record Your Internet Connection Information

Encourages recording ISP configuration details for future reference.

Protecting Your Network

Protecting Access to Your DG834 ADSL Firewall Router

Details securing access to the router's administration interface.

How to Change the Built-In Password

Provides steps to change the router's default administrator password.

Changing the Administrator Login Timeout

Explains how to set the inactivity timeout for admin logins.

Configuring Basic Firewall Services

Introduces basic firewall configuration options.

Blocking Keywords, Sites, and Services

Describes features for restricting internet content and service access.

Firewall Rules

Explains how to define inbound and outbound firewall rules.

Inbound Rules (Port Forwarding)

Details configuring inbound rules for port forwarding.

Outbound Rules (Service Blocking)

Explains how to define outbound rules for blocking services.

Order of Precedence for Rules

Discusses the sequence in which firewall rules are applied.

Services

Defines what services are and how they are handled by the firewall.

Setting Times and Scheduling Firewall Services

Covers scheduling firewall rules based on time.

How to Set Your Time Zone

Explains how to set the router's time zone for logging and scheduling.

Managing Your Network

Backing Up, Restoring, or Erasing Your Settings

Covers managing router configuration files and settings.

How to Back Up the Configuration to a File

Guides on saving router settings to a local file.

How to Restore the Configuration from a File

Explains how to load previously saved router settings.

How to Erase the Configuration

Details how to reset router settings to factory defaults.

Upgrading the Router’s Firmware

Describes the process of updating the router's software.

Network Management Information

Introduces information available for monitoring the router and network.

Viewing Router Status and Usage Statistics

Explains how to view the router's current status and operational data.

Viewing Attached Devices

Describes how to see a list of devices connected to the network.

Viewing, Selecting, and Saving Logged Information

Covers accessing and managing router log files for security events.

Enabling Security Event E-mail Notification

Explains how to receive email alerts for security events.

Running Diagnostic Utilities and Rebooting the Router

Details built-in tools for testing and restarting the router.

Enabling Remote Management

Explains how to allow remote access for router configuration and management.

Configuring Remote Management

Provides steps to set up remote access security and options.

Advanced Configuration

Configuring Advanced Security

Introduces advanced security features beyond basic firewalling.

Setting Up A Default DMZ Server

Explains how to configure a DMZ server for specific application needs.

Connecting Automatically, as Required

Describes the setting for automatic internet connection establishment.

Disable Port Scan and DOS Protection

Discusses disabling built-in protection against scans and DoS attacks.

Responding to a Ping on the Internet WAN Port

Explains the option to allow or disallow ping requests from the internet.

MTU Size

Details the Maximum Transmit Unit setting and its adjustment.

Configuring LAN IP Settings

Covers configuring IP addresses, DHCP, and RIP for the local network.

DHCP

Explains the router's role as a DHCP server.

Use Router as DHCP server

Describes how to enable or disable the router's DHCP server function.

Reserved IP addresses

Explains how to assign static IP addresses to specific devices.

Troubleshooting

Basic Functioning

Guides on verifying the router's power-on and self-test status.

Troubleshooting the Web Configuration Interface

Addresses issues with accessing the router's web-based interface.

Troubleshooting the ISP Connection

Helps diagnose problems with establishing an internet connection.

Troubleshooting PPPoE or PPPoA

Provides steps to debug PPPoE/PPPoA connection issues.

Troubleshooting Internet Browsing

Addresses problems with loading web pages after obtaining an IP address.

Troubleshooting a TCP/IP Network Using the Ping Utility

Explains using the ping utility for network diagnostics.

Testing the LAN Path to Your Router

Guides on verifying connectivity from PC to router.

Testing the Path from Your Computer to a Remote Device

Explains testing connectivity to external network devices.

Restoring the Default Configuration and Password

Details how to reset the router to factory defaults.

Problems with Date and Time

Discusses issues related to the router's date and time settings.

Appendix A Technical Specifications

Network Protocol and Standards Compatibility

Lists supported network protocols and industry standards.

Power Adapter

Provides specifications for the router's power adapter.

Physical Specifications

Lists physical dimensions and weight of the router.

Environmental Specifications

Details operating temperature and humidity requirements.

Electromagnetic Emissions

Mentions compliance with electromagnetic emission standards.

Appendix B Network and Routing Basics

Related Publications

Lists related RFC documents for further technical information.

Basic Router Concepts

Explains fundamental principles of router operation and WAN links.

What is a Router?

Defines the function and purpose of a router in a network.

Routing Information Protocol

Describes the Routing Information Protocol (RIP) used by routers.

IP Addresses and the Internet

Explains how IP addresses are assigned and structured on the internet.

Class A

Details the characteristics and range of Class A IP addresses.

Class B

Details the characteristics and range of Class B IP addresses.

Class C

Details the characteristics and range of Class C IP addresses.

Class D

Details the characteristics and range of Class D IP addresses.

Class E

Details the characteristics and range of Class E IP addresses.

Netmask

Explains the function of a netmask in IP addressing.

Subnet Addressing

Explains how to split IP networks into smaller subnetworks.

Private IP Addresses

Covers reserved IP address blocks for private networks.

Single IP Address Operation Using NAT

Explains how NAT allows multiple PCs to share a single IP address.

MAC Addresses and Address Resolution Protocol

Discusses MAC addresses and the ARP protocol.

Related Documents

Lists IETF documents for further information on addressing and NAT.

Domain Name Server

Explains the role of DNS servers in translating names to IP addresses.

IP Configuration by DHCP

Describes automatic IP configuration using DHCP.

Internet Security and Firewalls

Introduces how routers and firewalls protect networks.

What is a Firewall?

Defines a firewall and its protective functions.

Stateful Packet Inspection

Explains stateful packet inspection for secure firewall filtering.

Denial of Service Attack

Describes Denial of Service (DoS) attacks.

Ethernet Cabling

Discusses UTP cabling standards for Ethernet networks.

Category 5 Cable Quality

Details requirements and specifications for Category 5 Ethernet cables.

Inside Twisted Pair Cables

Explains the wiring within twisted pair cables and cable types.

Uplink Switches, Crossover Cables, and MDI/MDIX Switching

Covers cable types and switching for network connections.

Appendix C Preparing Your Network

Preparing Your Computers for TCP/IP Networking

Outlines steps to prepare computers for TCP/IP networking.

Configuring Windows 95, 98, and Me for TCP/IP Networking

Details TCP/IP configuration for older Windows versions.

Installing or Verifying Windows Networking Components

Guides on installing/verifying necessary Windows network components.

Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me

Explains how to use DHCP for automatic TCP/IP configuration in Windows.

Selecting the Windows’ Internet Access Method

Guides on choosing the correct internet access method in Windows.

Verifying TCP/IP Properties

Explains how to check TCP/IP configuration settings on a PC.

Configuring Windows NT4, 2000 or XP for IP Networking

Details TCP/IP configuration for Windows NT, 2000, and XP.

Installing or Verifying Windows Networking Components

Guides on installing/verifying Windows network components.

DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4

Provides steps for DHCP TCP/IP configuration across Windows versions.

DHCP Configuration of TCP/IP in Windows XP

Details DHCP TCP/IP configuration specifically for Windows XP.

DHCP Configuration of TCP/IP in Windows 2000

Details DHCP TCP/IP configuration specifically for Windows 2000.

DHCP Configuration of TCP/IP in Windows NT4

Details DHCP TCP/IP configuration specifically for Windows NT4.

Verifying TCP/IP Properties for Windows XP, 2000, and NT4

Explains how to check TCP/IP settings on Windows systems.

Configuring the Macintosh for TCP/IP Networking

Guides on preparing Macintosh computers for TCP/IP networking.

MacOS 8.6 or 9.x

Details TCP/IP configuration for specific older macOS versions.

MacOS X

Details TCP/IP configuration for macOS X.

Verifying TCP/IP Properties for Macintosh Computers

Explains how to check TCP/IP settings on Macintosh computers.

Verifying the Readiness of Your Internet Account

Guides on checking if the internet account is ready for router use.

Are Login Protocols Used?

Explains how to identify if a login protocol is required by the ISP.

What Is Your Configuration Information?

Discusses obtaining necessary ISP configuration details.

Obtaining ISP Configuration Information for Windows Computers

Provides steps to get ISP configuration details from Windows PCs.

Obtaining ISP Configuration Information for Macintosh Computers

Provides steps to get ISP configuration details from Macintosh computers.

Restarting the Network

Explains the need to restart the network after configuration.