Protecting Your Network | NETGEAR CG814M specification

Reference Manual for the Model CG814M Wireless Cable Modem Gateway

WAN Port’ check box. This should only be used as a diagnostic tool, since it allows your gateway to be discovered. Don't check this box unless you have a specific reason to do so.

4-12	Protecting Your Network

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NETGEAR CG814M manual Protecting Your Network

Contents

NETGEAR, Inc Trademarks World Wide Web Page Contents USB Appendix a Appendix C Contents Contents Audience About This ManualTypographical Conventions Special Message Formats Technical Support Key Features Chapter IntroductionAbout the CG814M Gateway Built-in Cable Modem Content Filtering Powerful, True Firewall802.11b Standards-based Wireless Networking USB Port Configurable Auto Uplink Ethernet ConnectionProtocol Support Easy Installation and Management What’s in the Box? Firewall’s Front Panel LED Descriptions Gateway’s Rear Panel CG814M Gateway Rear Panel Introduction Connecting the Gateway to the Internet What You Will Need Before You BeginLAN Hardware Requirements Computer Requirements Internet Configuration Requirements LAN Configuration RequirementsWhere Do I Get the Internet Configuration Parameters? Connecting the Gateway to the Internet Record Your Internet Connection Information Connecting the CG814M Gateway Connecting to Your Computer Ethernet USB Connecting to your Cable Service Provider Wireless Connecting the Power Adapter Log in to the Gateway Login window opens as shown in -3below Connect to the Internet Connecting the CG814M Gateway to the Internet Configuration Connecting the Gateway to the Internet Connecting the Gateway to the Internet Connecting the Gateway to the Internet Considerations For a Wireless Network Chapter Wireless ConfigurationSecurity Wireless Settings Placement and Range Wireless Settings Restricting Wireless Access by MAC Address Configuring Wired Equivalent Privacy WEP Wireless Configuration Wireless Configuration Changing the Built-In Password Protecting Access to Your CG814M GatewayChapter Protecting Your Network Blocking Keywords, Sites, and Services Set Password menu Block Keywords and Domains Click on the Block Sites link of the Content Filtering menu Blocking Services Proxy Port Blocking Cookies Port Forwarding Port Blocking menu To forward inbound traffic Port Triggering Considerations for Port Forwarding To configure Port Triggering Setting Up a Default DMZ Host Respond to Ping on Internet WAN Port Protecting Your Network Chapter Managing Your Network Network Status Information Viewing Gateway Status This screen shows the following parameters Menu 3.2 Router Status Fields Connection Status Connection screen LAN IP Setup Configuring LAN IP SettingsCurrent System Time Dhcp Use router as Dhcp server Viewing and Emailing Logged Information Logs menu Erasing Configuration Enabling Logs Event E-mail Notification Running Diagnostic Utilities Diagnostics menu Managing Your Network Chapter Troubleshooting Basic Functions Test LED Stays On Power LED Not OnLocal Link LEDs Not On Troubleshooting the Web Configuration Interface Cable Link LED Not On Troubleshooting a TCP/IP Network Using a Ping Utility Troubleshooting the ISP ConnectionTesting the LAN Path to Your Gateway Testing the Path from Your PC to a Remote Device Troubleshooting Appendix a Technical Specifications TCP/IP Technical Specifications Appendix B Networks, Routing, and Firewall Basics Related Publications Basic Router Concepts Routing Information Protocol What is a Router?IP Addresses and the Internet Three Main Address Classes Netmask Equals Subnet Addressing Example of Subnetting a Class B Address Netmask Notation Translation Table for One Octet Private IP Addresses Single IP Address Operation Using NAT Single IP Address Operation Using NAT MAC Addresses and Address Resolution Protocol Related Documents Internet Security and Firewalls IP Configuration by DhcpDomain Name Server Denial of Service Attack What is a Firewall?Stateful Packet Inspection Wireless Networking Wireless Network ConfigurationAd-hoc Mode Peer-to-Peer Workgroup Infrastructure Mode Extended Service Set Identification Essid Authentication and WEP Encryption Wireless Channel Selection Table B-1 802.11b Radio Frequency Channels Uplink Switches and Crossover Cables Ethernet Cabling Cable Quality Appendix C Preparing Your Network Preparing Your Computers for TCP/IP Networking Configuring Windows 95, 98, and ME for TCP/IP Networking Install or Verify Windows Networking Components Preparing Your Network Enabling Dhcp to Automatically Configure TCP/IP Settings Selecting Windows’ Internet Access Method Configuring Windows NT, 2000 or XP for IP Networking Verifying TCP/IP Properties Configuring the Macintosh for TCP/IP Networking MacOS 8.6 or MacOS Verifying TCP/IP Properties for Macintosh Computers What Is Your Configuration Information? Verifying the Readiness of Your Internet Account Mail.xxx.yyy.com Preparing Your Network Restarting the Network Glossary Networks See Network Address Translation Connection