Electronic Security | Actiontec electronic GT701 instruction

Appendix C Computer Security

Network Applications

Network applications (such as software programs) that allow remote access to the computer also make the computer vulnerable to access from other people on the Internet. If using a network application that allows remote access, consider install- ing a firewall.

Electronic Security

Here are two methods to secure your computer electronically.

Network Address Translation

If a local area network and a PPP connection to the ISP using dynamic IP addresses through a DHCP server are being used, Network Address Translation (NAT) is being used. NAT provides a very basic level of security.

Firewalls

The safest way to prevent attacks on the computer is through a firewall – a hard- ware device or software program that protects the computer from unauthorized access by controlling who can access your computer and by monitoring the trans- missions between the computer and the Internet

Windows XP has a built-in firewall. For more information, select Help and Support Center from the Help menu. Search for Internet Connection Firewall.

If Windows 98 SE, Me, NT 4.0, or 2000 is running on the computer, consider install- ing a firewall. Hardware and software firewall products are changing rapidly as more homes and businesses establish high-speed digital connections between their local area networks and the Internet.

83

Image 86

Actiontec electronic GT701 user manual Electronic Security

Contents

DSL Modem Table of Contents Glossary Firewall Security Level Services Table Setting Up Static IP on the ComputerSpecifications Non-Windows System Setup Package Contents Introduction1 Features Minimum System Requirements Getting to Know the Modem Internet Light Power LightDSL Light Ethernet Light USB Port Phone PortPhone port is used to connect the Modem to a phone jack Ethernet Port Power Port On/Off SwitchReset Button Power port is used to connect the Power cord to the Modem Connecting Via Ethernet Setting Up ModemConnecting a Computer to the Modem Page Setting Up the Modem Page Setting Up the Modem Page Setting Up the Modem Page Setting Up the Modem Page Setting Up the Modem Page Setting Up the Modem Page Installing Phone Filters Remove the phone filters from the clear bag. Click Next Setting Up the Modem USB Click Next Next, go to Setting Up the DSL Connection on the next Setting Up the DSL Connection Setting Up the Modem Installation Buddy checks the configuration of the Modem Modem is successfully configured and ready for use Performing a Basic Setup Basic SetupPage Performing a Basic Setup Changing the Admin User Name and Password Click Save and Restart at the bottom of the screen To access the Advanced Settings configuration screens Using Advanced SetupAccessing Advanced Setup WAN IP Address Transparent Bridging PPP Auto Connect Encapsulation PPPoA only Specify a Static IP Address LAN IP Address Dhcp Server DNS Dynamic or Static Beginning IP AddressEnding IP Address Services Blocking DNS Server Website Blocking Remote Management Port Forwarding Using Advanced Setup DMZ Hosting Firewall Dynamic Routing NAT Network Address Translation Static Routing Viewing Modem’s Settings StatusPage Routing Table WAN Status LAN Status Active User List Using Utilities Web Activity Log DSL Settings Restore Default Settings Upgrade Firmware This page left intentionally blank Cannot Use the Internet TroubleshootingTroubleshooting Physical Connections Which protocols does the Modem support? Frequently Asked QuestionsConnection to the Internet Which connection speeds does the Modem support? How do I find out which IP address my computer is using? Is the Modem flash-upgradeable? How do I do it?What is the valid IP range I can use for my home network? Will my Xbox work with the Modem? Yes, if the application is designed to run over a network How many computers can be connected through the Modem? What is the default username for the Modem?What is NAT and how does it protect my network? Does the Modem function as a firewall? This page left intentionally blank Reference Locating Computer Information Locating Windows Operating System Files Appendix a Reference Click Search Setting Up Static IP On the Computer Windows 98 SEPage 192.168.0.2 Windows Me Enter the following address in the Subnet mask text box Appendix B Setting Up Static IP on the Computer 192.168.0.2 Windows Page Appendix B Setting Up Static IP on the Computer 192.168.0.2 Windows XP Page Appendix B Setting Up Static IP on the Computer 192.168.0.2 Comparing DSL Service with a Dial-Up Modem Computer Security Web Browsers Modem SecurityComputer Security Electronic Security This page left intentionally blank Specifications D General Environmental LED IndicatorsPower, DSL, Internet, Ethernet, USB Access Point GlossaryPage Ssid This page left intentionally blank Firewall Security Level Services Table High Security Level Medium Security Level Low Security Level Service Acronym Definitions Basic Security Level 323 Real audio/videoIcmp 120 Non-Windows G System Setup ClassicPage Appendix G Non-Windows Setup Page Installation Buddy Settings 100 Class B Equipment Regulatory Compliance NoticesModifications Miscellaneous Legal Notices All other names are the property of their respective owners Limited Warranty 103 104 Limited Warranty 106 Index 108 Index 110 111 112