NETGEAR DG834GV v2 manual Chapter Protecting Your Network, How to Change the Built-In Password

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Chapter 5

Protecting Your Network

This chapter describes how to use the basic firewall features of the Integrated ADSL Modem and Wireless Router with Voice, Model DG834GV to protect your network.

Protecting Access to Your Integrated ADSL Modem and Wireless Router with Voice, Model DG834GV

For security reasons, the modem router has its own user name and password. Also, after a period of inactivity for a set length of time, the administrator login will automatically disconnect. When prompted, enter admin for the modem router User Name and password for the modem router Password. You can use procedures below to change the modem router's password and the amount of time for the administrator’s login timeout.

Note: The user name and password are not the same as any user name or password you may use to log in to your Internet connection.

NETGEAR recommends that you change this password to a more secure password. The ideal password should contain no dictionary words from any language, and should be a mixture of both upper and lower case letters, numbers, and symbols. Your password can be up to 30 characters.

How to Change the Built-In Password

1.Log in to the modem router at its default LAN address of http://192.168.0.1 with its default User Name of admin, default password of password, or using whatever Password and LAN address you have chosen for the modem router.

Figure 5-1

Protecting Your Network

5-1

v1.0, September 2006

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Contents NETGEAR, Inc Statement of Conditions TrademarksEuropean Union Statement of Compliance Bestätigung des Herstellers/Importeurs World Wide Web Certificate of the Manufacturer/ImporterVoluntary Control Council for Interference Vcci Statement Customer SupportDG834GV Product and Publication DetailsContents Chapter VoIP and Telephone Settings Chapter Advanced Configuration Troubleshooting the ISP Connection Adsl link Audience, Scope, Conventions, and Formats Chapter About This ManualManual Scope How to Print this ManualPrinting the Full Manual V1.0, September About the Modem Router Chapter IntroductionPowerful, True Firewall Key FeaturesEasy Installation and Management Standards-based Wireless NetworkingProtocol Support Auto Sensing and Auto Uplink LAN Ethernet Connections Virtual Private Networking VPNContent Filtering What’s in the Box? LED Descriptions Router’s Front PanelIntroduction Router’s Rear PanelConnecting the Router to the Internet Considerations for a Wireless Network Chapter Wireless ConfigurationObserve Performance, Placement, and Range Guidelines Implement Appropriate Wireless Security Understanding Wireless Settings Wireless Network Wireless Security Options Wireless Station Access ListField Description WPA-PSK Wi How to Set Up and Test Basic Wireless ConnectivityHow to Restrict Wireless Access to Your Network These options are discussed below V1.0, September How to Configure WEP Go to the WEP Security Encryption portion How to Configure WPA-802.1x How to Configure WPA-PSKConfiguring the Telephony Settings Chapter VoIP and Telephone SettingsSetting Up the Voice-over-IP Settings Setting Up the Pstn Settings Viewing the Voice Status Line 1/Line Viewing the Call LogLine 1/Line 2 Status V1.0, September Chapter Protecting Your Network How to Change the Built-In PasswordChanging the Administrator Login Timeout Blocking Keywords, Sites, and Services Configuring Basic Firewall ServicesHow to Block Keywords and Sites V1.0, September Firewall Rules Inbound Rules Port Forwarding Inbound Rule Example a Local Public Web Server Inbound Rule Example Allowing Videoconferencing Considerations for Inbound Rules Outbound Rules Service BlockingOutbound Rule Example Blocking Instant Messenger Order of Precedence for Rules How to Define Services ServicesHow to Set Your Time Zone Setting Times and Scheduling Firewall ServicesV1.0, September How to Schedule Firewall Services V1.0, September How to Back Up the Configuration to a File Backing Up, Restoring, or Erasing Your SettingsChapter Managing Your Network How to Erase the Configuration How to Restore the Configuration from a FileUpgrading the Modem Router’s Firmware How to Upgrade the Modem Router FirmwareV1.0, September Viewing Modem Router Status and Usage Statistics Network Management InformationMenu 3.2 Modem Router Status Fields This screen shows the following parametersVPI Router Statistics Fields This screen shows the following statisticsConnection Status Fields for PPPoA Viewing, Selecting, and Saving Logged Information Viewing Attached DevicesAn example of the logs file is shown below Security Log action buttons Security Log entry descriptionsSaving Log Files on a Server Activation and AdministrationExamples of Log Messages Selecting What Information to LogDropped Packets Enabling Security Event E-mail NotificationSend alerts and logs via email Running Diagnostic Utilities and Rebooting the Modem Router Enabling Remote Management Configuring Remote ManagementHttp//134.177.0.1238080 Configuring Advanced Security Chapter Advanced ConfigurationHow to Configure a Default DMZ Server Setting Up a Default DMZ ServerConnect Automatically, as Required Disable Port Scan and DOS ProtectionRespond to Ping on Internet WAN Port Configuring LAN IP SettingsMTU Size V1.0, September Use Router as Dhcp server DhcpV1.0, September Reserved IP addresses How to Configure LAN TCP/IP Settings How to Configure Dynamic DNS Configuring Dynamic DNSSelect the Use a dynamic DNS service check box Static Route Example Using Static RoutesHow to Configure Static Routes Universal Plug and Play UPnP V1.0, September V1.0, September Basic Functioning Chapter TroubleshootingTest LED Never Turns On or Test LED Stays On Power LED Not OnLAN or Internet Port LEDs Not On Troubleshooting the Web Configuration InterfaceAdsl link Troubleshooting the ISP ConnectionInternet LED Blinking Amber Internet LED Off Obtaining a WAN IP AddressTroubleshooting PPPoE or PPPoA Troubleshooting Internet Browsing Troubleshooting a TCP/IP Network Using the Ping UtilityTesting the LAN Path to Your Router Testing the Path from Your Computer to a Remote Device Problems with Date and Time Restoring the Default Configuration and PasswordUsing the Reset button V1.0, September Network Protocol and Standards Compatibility Appendix a Technical SpecificationsV1.0, September Document Link Appendix B Related DocumentsV1.0, September