Netgear Router WGT624 V2 User Manual
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Contentsxi M-10153-01 Are Login Protocols Used? ................................................................................... C-18 What Is Your Configuration Information? .............................................................. C-18 Obtaining ISP Configuration Information for Windows Computers ....................... C-19 Obtaining ISP Configuration Information for Macintosh Computers ..................... C-20 Restarting the Network ................................................................................................ C-21 Appendix D Wireless Networking Basics Wireless Networking Overview ...................................................................................... D-1 Infrastructure Mode ................................................................................................. D-1 Ad Hoc Mode (Peer-to-Peer Workgroup) ................................................................ D-2 Network Name: Extended Service Set Identification (ESSID) ................................ D-2 Authentication and WEP ................................................................................................ D-3 802.11 Authentication .............................................................................................. D-3 Open System Authentication ................................................................................... D-4 Shared Key Authentication ...................................................................................... D-4 Overview of WEP Parameters ................................................................................ D-5 Key Size .................................................................................................................. D-6 WEP Configuration Options .................................................................................... D-7 Wireless Channels ......................................................................................................... D-7 Glossary List of Glossary Terms ................................................................................................... G-1 Index
About This Manual1 M-10153-01 Chapter 1 About This Manual This chapter describes the intended audience, scope, conventions, and formats of this manual. Audience, Scope, Conventions, and Formats This reference manual assumes that the reader has basic to intermediate computer and Internet skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial information is provided in the Appendices and on the Netgear website. This guide uses the following typographical conventions: This guide uses the following formats to highlight special messages: This manual is written for the WGT624 v2 wireless router according to these specifications.: Table 1-1. Typographical Conventions italicsEmphasis, books, CDs, URL names bold times romanUser input courier fontScreen text, file and server names, extensions, commands, IP addresses Note: This format is used to highlight information of importance or special interest. Table 1-2. Manual Scope Product Version 108 Mbps Wireless Firewall Router WGT624 v2 Manual Part Number M-10153-01 Manual Publication Date November 2003 Note: Product updates are available on the NETGEAR, Inc. web site at http:// www.netgear.com/support/main.asp. Documentation updates are available on the NETGEAR, Inc. web site at http://www.netgear.com/docs.
Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2 2About This Manual M-10153-01 How to Use This Manual The HTML version of this manual includes a variety of navigation features as well as links to PDF versions of the full manual and individual chapters. Figure 1 -1: HTML version of this manual 1. Left pane. Use the left pane to view the Contents, Index, Search, and Favorites tabs. To view the HTML version of the manual, you must have a version 4 or later browser with JavaScript enabled. 2. Toolbar buttons. Use the toolbar buttons across the top to navigate, print pages, and more. The Show in Contents button locates the current topic in the Contents tab. Previous/Next buttons display the previous or next topic. The PDF button links to a PDF version of the full manual. The Print button prints the current topic. Using this button when a step-by-step procedure is displayed will send the entire procedure to your printer--you do not have to worry about specifying the correct range of pages. 3. Right pane. Use the right pane to view the contents of the manual. Also, each page of the manual includes a link at the top right which links to a PDF file containing just the currently selected chapter of the manual. 12 3
Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2 About This Manual3 M-10153-01 How to Print this Manual To print this manual you man choose one of the following several options, according to your needs. •Printing a “How To” Sequence of Steps in the HTML View. Use the Print button on the upper right of the toolbar to print the currently displayed topic. Using this button when a step-by-step procedure is displayed will send the entire procedure to your printer--you do not have to worry about specifying the correct range of pages. •Printing a Chapter. Use the link at the top right of any page. – Click “PDF of This Chapter” link at the top right of any page in the chapter you want to print. The PDF version of the chapter you were viewing opens in a browser window. Note: Your computer must have the free Adobe Acrobat reader installed in order to view and print PDF files. The Acrobat reader is available on the Adobe web site at http://www.adobe.com. – Click the print icon in the upper left of the window. Tip: If your printer supports printing two pages on a single sheet of paper, you can save paper an printer ink by selecting this feature. •Printing the Full Manual. Use the PDF button in the toolbar at the top right of the browser window. – Click the PDF button on the upper right of the toolbar. The PDF version of the chapter you were viewing opens in a browser window. – Click the print icon in the upper left of the window. Tip: If your printer supports printing two pages on a single sheet of paper, you can save paper an printer ink by selecting this feature.
Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2 4About This Manual M-10153-01
Introduction2-1 M-10153-01 Chapter 2 Introduction Congratulations on your purchase of the NETGEAR® 108 Mbps Wireless Firewall Router WGT624 v2. The WGT624 v2 wireless router provides connection for multiple personal computers (PCs) to the Internet through an external broadband access device (such as a cable modem or DSL modem) that is normally intended for use by a single PC. This chapter describes the features of the NETGEAR 108 Mbps Wireless Firewall Router WGT624 v2. Key Features of the Router The 108 Mbps Wireless Firewall Router WGT624 v2 with 4-port switch connects your local area network (LAN) to the Internet through an external access device such as a cable modem or DSL modem. The WGT624 v2 wireless router provides you with multiple web content filtering options, plus browsing activity reporting and instant alerts -- both via e-mail. Parents and network administrators can establish restricted access policies based on time-of-day, web site addresses and address keywords, and share high-speed cable/DSL Internet access for up to 253 personal computers. In addition to the Network Address Translation (NAT) feature, the built-in firewall protects you from hackers. With minimum setup, you can install and use the router within minutes. The WGT624 v2 wireless router provides the following features: • 802.11g wireless networking, with the ability to operate in 802.11g-only, 802.11-turbo-g-only, or 802.11b+g modes. • Easy, web-based setup for installation and management. • Content Filtering and Site Blocking Security. • Built in 4-port 10/100 Mbps Switch. • Ethernet connection to a wide area network (WAN) device, such as a cable modem or DSL modem. • Extensive Protocol Support. • Login capability.
Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2 2-2Introduction M-10153-01 • Front panel LEDs for easy monitoring of status and activity. • Flash memory for firmware upgrade. 802.11g Wireless Networking The WGT624 v2 wireless router includes an 802.11g wireless access point, providing continuous, high-speed 54 Mbps access between your wireless and Ethernet devices. The access point provides: • 802.11g wireless networking at up to 108 Mbps. • 802.11g wireless networking, with the ability to operate in 802.11g-only, 802.11-turbo-g-only, or 802.11b+g modes, providing backwards compatibility with 802.11b devices or dedicating the wireless network to the higher bandwidth 802.11g devices. • 64-bit and 128-bit WEP encryption security. • WEP keys can be generated manually or by passphrase. • Wireless access can be restricted by MAC address. • Wireless network name broadcast can be turned off so that only devices that have the network name (SSID) can connect. A Powerful, True Firewall with Content Filtering Unlike simple Internet sharing NAT routers, the WGT624 v2 is a true firewall, using stateful packet inspection to defend against hacker attacks. Its firewall features include: • Denial of Service (DoS) protection. Automatically detects and thwarts DoS attacks such as Ping of Death, SYN Flood, LAND Attack, and IP Spoofing. • Blocks unwanted traffic from the Internet to your LAN. • Blocks access from your LAN to Internet locations or services that you specify as off-limits. • Logs security incidents. The WGT624 v2 will log security events such as blocked incoming traffic, port scans, attacks, and administrator logins. You can configure the router to email the log to you at specified intervals. You can also configure the router to send immediate alert messages to your email address or email pager whenever a significant event occurs.
Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2 Introduction2-3 M-10153-01 • The WGT624 v2 prevents objectionable content from reaching your PCs. The router allows you to control access to Internet content by screening for keywords within web addresses. You can configure the router to log and report attempts to access objectionable Internet sites. Security The WGT624 v2 wireless router is equipped with several features designed to maintain security, as described in this section. • PCs Hidden by NAT NAT opens a temporary path to the Internet for requests originating from the local network. Requests originating from outside the LAN are discarded, preventing users outside the LAN from finding and directly accessing the PCs on the LAN. • Port Forwarding with NAT Although NAT prevents Internet locations from directly accessing the PCs on the LAN, the router allows you to direct incoming traffic to specific PCs based on the service port number of the incoming request, or to one designated “DMZ” host computer. You can specify forwarding of single ports or ranges of ports. Autosensing Ethernet Connections with Auto Uplink With its internal 8-port 10/100 switch, the WGT624 v2 can connect to either a 10 Mbps standard Ethernet network or a 100 Mbps Fast Ethernet network. Both the LAN and WAN interfaces are autosensing and capable of full-duplex or half-duplex operation. The router incorporates Auto Uplink TM technology. Each Ethernet port will automatically sense whether the Ethernet cable plugged into the port should have a ‘normal’ connection such as to a PC or an ‘uplink’ connection such as to a switch or hub. That port will then configure itself to the correct configuration. This feature also eliminates the need to worry about crossover cables, as Auto Uplink will accommodate either type of cable to make the right connection. Extensive Protocol Support The WGT624 v2 wireless router supports the Transmission Control Protocol/Internet Protocol (TCP/IP) and Routing Information Protocol (RIP). For further information about TCP/IP, refer to Appendix B, “Network, Routing, Firewall, and Basics.”
Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2 2-4Introduction M-10153-01 • IP Address Sharing by NAT The WGT624 v2 wireless router allows several networked PCs to share an Internet account using only a single IP address, which may be statically or dynamically assigned by your Internet service provider (ISP). This technique, known as NAT, allows the use of an inexpensive single-user ISP account. • Automatic Configuration of Attached PCs by DHCP The WGT624 v2 wireless router dynamically assigns network configuration information, including IP, gateway, and domain name server (DNS) addresses, to attached PCs on the LAN using the Dynamic Host Configuration Protocol (DHCP). This feature greatly simplifies configuration of PCs on your local network. • DNS Proxy When DHCP is enabled and no DNS addresses are specified, the router provides its own address as a DNS server to the attached PCs. The router obtains actual DNS addresses from the ISP during connection setup and forwards DNS requests from the LAN. • PPP over Ethernet (PPPoE) PPPoE is a protocol for connecting remote hosts to the Internet over a DSL connection by simulating a dial-up connection. This feature eliminates the need to run a login program such as Entersys or WinPOET on your PC. Easy Installation and Management You can install, configure, and operate the 108 Mbps Wireless Firewall Router WGT624 v2 within minutes after connecting it to the network. The following features simplify installation and management tasks: • Browser-based management Browser-based configuration allows you to easily configure your router from almost any type of personal computer, such as Windows, Macintosh, or Linux. A user-friendly Setup Wizard is provided and online help documentation is built into the browser-based web Management Interface. • Smart Wizard The WGT624 v2 wireless router Smart Wizard automatically senses the type of Internet connection, asking you only for the information required for your type of ISP account. • Firmware Auto-Update The WGT624 v2 wireless router automatically checks the Internet to see if a newer version of firmware is available. If so, it asks you if you want to install the upgrade. This lets you take advantage of product enhancements for your WGT624 v2 as soon as they become available.