Linksys AG041 (EU) manual Configuring the Adsl Gateway, Setup, Security, Access Restrictions

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ADSL Gateway with 4-Port Switch

Chapter 5: Configuring the ADSL Gateway

Overview

Follow the steps in this chapter and use the Gateway’s web-based utility to configure the Gateway. This chapter will describe each web page in the Utility and each page’s key functions. The utility can be accessed via your web browser through use of a computer connected to the Gateway. For a basic network setup, most users only have to use the following screens of the Utility:

• Basic Setup. On the Basic Setup screen, enter the settings provided by your ISP.

browser: an application program that provides a way to look at and interact with all the information on the World Wide Web

Have You: Enabled TCP/IP on your computers? computers communicate over the network with this protocol. Refer to Appendix E: Windows Help for more information on TCP/IP.

Management. Click the Administration tab and then the Management tab. The Gateway’s default username and password is admin. To secure the Gateway, change the Password from its default.

There are six main tabs: Setup, Security, Access Restrictions, Applications & Gaming, Administration, and Status. Additional tabs will be available after you click one of the main tabs.

Setup

Basic Setup. Enter the Internet connection and network settings on this screen.

DDNS. To enable the Gateway’s Dynamic Domain Name System (DDNS) feature, complete the fields on this screen.

Advanced Routing. On this screen, you can alter Dynamic Routing, and Static Routing configurations.

Security

Firewall. This screen contains Filters and Block WAN Requests. Filters block specific internal users from accessing the Internet and block anonymous Internet requests.

VPN. To enable or disable IPSec and/or PPTP Pass-through, and set up VPN tunnels, use this screen.

Access Restrictions

Internet Access. This screen allows you to prevent or permit only certain users from attaching to your network.

Note: For added security, you should change the password through the Administration tab.

DDNS: allows the hosting of a website, FTP server, or e-mail server with a fixed domain name (e.g., www.xyz.com) and a dynamic IP address

static routing: forwarding data in a network via a fixed path

WAN: the Internet

PPTP: a VPN protocol that allows the Point to Point Protocol

(PPP)to be tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe

Chapter 5: Configuring the ADSL Gateway

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Overview

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Contents Adsl Gateway Copyright and Trademarks How to Use this GuideWord definition Table of Contents Adsl Gateway with 4-Port Switch A Network with the Gateway List of Figures23 Applications & Gaming Port Triggering Figure B-23 New Preshared Key Welcome IntroductionWhat’s in this Guide? Adsl Gateway with 4-Port Switch What’s an IP Address? Planning your NetworkGateway’s Functions IP AddressesEncryption encoding data transmitted in a network What is a VPN?Dhcp Dynamic Host Configuration Protocol Servers Dynamic IP AddressesVPN Gateway to VPN Gateway Why do I need a VPN?VPN Gateway-to-VPN Gateway Back Panel Getting to Know the Adsl GatewayDSL Front PanelOverview Connecting the Adsl GatewayConnecting to a Computer ISP a company that provides access to the InternetConnect power Security Configuring the Adsl GatewaySetup Access RestrictionsStatus How to Access the Web-based UtilityAdministration Applications & GamingBasic Setup Setup TabInternet Setup Static IP RFC 1483 Bridged Dynamic IPRFC 2516 PPPoE RFC 1483 RoutedRFC 2364 PPPoA Bridged Mode OnlyNetwork Setup Optional Settings Required by some ISPsDynDNS.org DdnsAdvanced Routing Advanced RoutingStatic Routing 12 Routing Table Firewall Security TabSoftware instructions for the computer VPN15 VPN with Manual Key Management Phase Advanced VPN Tunnel SetupConfiguring the Adsl Gateway Security Tab Internet Access Access Restrictions Tab19 List of PCs Single Port Forwarding Applications and Gaming TabPort Triggering Port Range ForwardingDMZ Gateway Access Administration TabManagement UPnP Smtp the standard e-mail protocol on the Internet ReportingLog Email AlertsFactory Defaults DiagnosticsPing Test Ping Test Parameters 29 Administration tab Firmware Upgrade Firmware UpgradeInternet Connections Status TabGateway Gateway InformationDSL Connection Local NetworkCommon Problems and Solutions Appendix a TroubleshootingNeed to set a static IP address on a computer Want to test my Internet connection Open a command prompt. For Windows 98 and Me Adsl Gateway with 4-Port Switch TCP UDP Can’t get the Internet game, server, or application to work VPN IpsecNeed to upgrade the firmware To start over, I need to set the Gateway to factory defaultFirmware upgrade failed, and/or the Power LED is flashing My DSL service’s PPPoE is always disconnecting Is IPSec Passthrough supported by the Gateway? Frequently Asked QuestionsPower LED flashes continuously Where is the Gateway installed on the network?Does the Gateway support ICQ send file? What is Network Address Translation and what is it used for?What is DMZ Hosting? Is the Gateway cross-platform compatible? What are the advanced features of the Gateway?What is a MAC Address? How do I reset the Gateway?Environment IntroductionFilter List 1 win-Router How to Establish a Secure IPSec TunnelCreate an IPSec Policy Build Filter ListsFigure B-4 IP Filter LIst Filter List 2 Router -winFigure B-7 IP Filter List Tunnel 1 win-Router Configure Individual Tunnel RulesFigure B-13 Authentication Methods Tunnel 2 Router-win Figure B-16 Tunnel Setting TabFigure B-19 IP Filter List Tab Figure B-22 Preshared Key Figure B-25 Connection Type Assign New IPSec PolicyFigure B-28 VPN Tab Create a Tunnel Through the Web-Based UtilityWindows 98 or Me Instructions Figure C-1 IP Configuration ScreenFigure C-3 MAC Address/Physical Address Windows 2000 or XP InstructionsAppendix D Upgrading Firmware Figure D-1 Upgrade FirmwareShared Resources Appendix E Windows HelpNetwork Neighborhood/My Network Places Appendix F Glossary Adsl Gateway with 4-Port Switch Adsl Gateway with 4-Port Switch Adsl Gateway with 4-Port Switch Standards Appendix G SpecificationsLimited Warranty Appendix H Warranty InformationFCC Statement Appendix I Regulatory InformationEurope Mail Address Appendix J Contact InformationOutside of Europe Mail Address