Linksys WRT54GC manual Security Tab Firewall

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Compact Wireless-G Broadband Router

The Security Tab - Firewall

The Firewall screen offers Filters and the option to Block WAN Requests. Filters block specific Internet data types and block anonymous Internet requests. To enable a feature, select Enabled from the drop-down menu. To disable a feature, select Disabled from the drop-down menu.

Firewall

•SPI Firewall Protection. Enable this feature to employ Stateful Packet Inspection (SPI) for more detailed review of data packets entering your network environment.

•Block Anonymous Internet Requests. When enabled, this feature keeps your network from being “pinged,” or detected, by other Internet users. It also reinforces your network security by hiding your network ports. Both functions of this feature make it more difficult for outside users to work their way into your network. This feature is enabled by default. Select Disabled to allow anonymous Internet requests.

•Filter Multicast. Multicasting allows for multiple transmissions to specific recipients at the same time. If multicasting is permitted, then the Router will allow IP multicast packets to be forwarded to the appropriate computers. Select Enable to filter multicasting, or Disable to disable this feature.

•Filter Internet NAT Redirection. This feature uses port forwarding to block access to local servers from local networked computers. Check the box to enable filter Internet NAT redirection, or uncheck the box to disable this feature.

•Web Filters

Proxy. Use of WAN proxy servers may compromise the Gateway's security. Denying Filter Proxy will disable access to any WAN proxy servers. To enable proxy filtering, click the checkbox.

Java. Java is a programming language for websites. If you deny Java, you run the risk of not having access to Internet sites created using this programming language. To enable Java filtering, click the checkbox.

ActiveX. ActiveX is a programming language for websites. If you deny ActiveX, you run the risk of not having access to Internet sites created using this programming language. To enable ActiveX filtering, click the checkbox.

Cookies. A cookie is data stored on your computer and used by Internet sites when you interact with them. To enable cookie filtering, click the checkbox.

Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes. Help information is shown on the right-hand side of the screen.

Chapter 5: Configuring the Compact Wireless-G Broadband Router

Figure 5-22: Security Tab - Firewall

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The Security Tab - Firewall

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Contents Wireless- G Copyright and Trademarks How to Use This User GuideWord definition Table of Contents Common Problems and Solutions Frequently Asked Questions Appendix a TroubleshootingAppendix B Wireless Security Appendix C Upgrading Firmware Appendix D Windows HelpRouter’s Back Panel Router’s Front Panel20 Wireless Tab Wireless Client List Introduction WelcomeWhat’s in this Guide? Compact Wireless-G Broadband Router Ssid your wireless network’s name Planning Your Wireless NetworkAd-Hoc versus Infrastructure Mode Network TopologyPlanning Your Wireless Network Network Layout Back Panel Getting to Know the Compact Wireless-G Broadband RouterBroadband an always-on, fast Internet connection Power Front PanelStand Reset Button Bottom PanelTop Panel Optional Linksys Longer Range Antenna HGA7S TABConnecting the Compact Wireless-G Broadband Router OverviewConnecting Your Network Devices Hardware Installation for Connection to Another Router Connecting Another RouterConnecting Your Network Devices Configuring the Compact Wireless-G Broadband Router Setup Tab Basic Setup How to Access the Web-based UtilityInternet Setup Static IP Connection Type Packet a unit of data sent over a networkNetwork Setup Optional SettingsDhcp Server Settings Setup Tab Ddns Time SettingsSetup Tab MAC Address Clone MAC Address CloneSetup Tab Advanced Routing 12 Setup Tab Advanced Routing GatewayWireless Tab Basic Wireless Settings Wireless NetworkWireless Tab Wireless Security Wireless Security17 Wireless Tab Wireless Security WPA2 Personal Wireless Tab Wireless MAC Filter Wireless MAC FilterWireless Tab Advanced Wireless Settings Advanced WirelessCompact Wireless-G Broadband Router Security Tab Firewall FirewallSecurity Tab VPN Passthrough Access Restrictions Tab Internet Access PolicyInternet Access Policy VPN PassthroughTo create an Internet Access policy 25 Access Restrictions Tab SummaryApplications and Gaming Tab Port Range Forwarding Port Range ForwardingCompact Wireless-G Broadband Router Applications & Gaming Tab Port Range Triggering Port Range TriggeringApplications and Gaming Tab DMZ DMZAdministration Tab Management ManagementBackup and Restore Administration Tab Log LogAdministration Tab Diagnostics DiagnosticsFactory Defaults Administration Tab Factory DefaultsAdministration Tab Firmware Upgrade Firmware UpgradeRouter Information Status Tab RouterInternet Connection Local Network Status Tab Local NetworkDhcp Server Status Tab Wireless 41 Status Tab WirelessCommon Problems and Solutions Appendix a TroubleshootingNeed to set a static IP address on a PC Compact Wireless-G Broadband Router Open a command prompt. For Windows 98SE and Me Protocol IP Address Enabled ApplicationApplication Start ~ End Port Protocol IP Address Enabled Can’t get the Internet game, server, or application to workCompact Wireless-G Broadband Router Firmware upgrade failed, and/or the Power LED is flashing To start over, I need to set the Router to factory defaultNeed to upgrade the firmware My DSL service’s PPPoE is always disconnectingPower LED keeps flashing Is IPSec Pass-Through supported by the Router? Frequently Asked QuestionsWhere is the Router installed on the network? Does the Router support IPX or AppleTalk?How can I block corrupted FTP downloads? Will the Router function in a Macintosh environment? What is DMZ Hosting?What are the advanced features of the Router? Is the Router cross-platform compatible?What is the Ieee 802.11g standard? What is the Ieee 802.11a standard?What is the Ieee 802.11b standard? What Ieee 802.11a features are supported?What is ad-hoc mode? What Ieee 802.11b features are supported?What Ieee 802.11g features are supported? What is infrastructure mode?What is DSSS? What is FHSS? And what are their differences? What is ISM band?What is Spread Spectrum? What is WEP?How do I reset the Router? How do I resolve issues with signal loss?Security Precautions Appendix B Wireless SecuritySecurity Threats Facing Wireless Networks Appendix B Wireless Security Compact Wireless-G Broadband Router Figure C-1 Administration Tab Firmware Upgrade Appendix C Upgrading FirmwareShared Resources Appendix D Windows HelpNetwork Neighborhood/My Network Places Windows 98SE or Me Instructions Windows 2000 or XP InstructionsFigure E-4 Wireless MAC Filter List For the Router’s Web-based UtilityAppendix F Glossary Compact Wireless-G Broadband Router Compact Wireless-G Broadband Router Compact Wireless-G Broadband Router Compact Wireless-G Broadband Router Compact Wireless-G Broadband Router Compact Wireless-G Broadband Router Appendix G Specifications ModelCertifications Appendix H Warranty Information Limited WarrantyAppendix I Regulatory Information FCC StatementSafety Notices Appendix J Contact Information
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WRT54GC specifications

The Linksys WRT54GC is a compact and versatile wireless router that has garnered attention for its impressive performance and functionality. It's part of Linksys' renowned WRT series, known for its reliability and user-friendly features, making it a popular choice for home and small office networking.

One of the main features of the WRT54GC is its support for the 802.11g wireless standard, allowing for wireless speeds of up to 54 Mbps. This makes it suitable for tasks such as web browsing, email, and streaming media, offering users a reliable connection without significant lag. Additionally, the router is backward compatible with 802.11b devices, ensuring that older equipment can still connect seamlessly.

The WRT54GC sports a compact design, making it ideal for users with limited space. Its small footprint does not compromise its performance, as it delivers strong coverage thanks to its two external antennas. This design enables users to extend their wireless signal throughout their homes or offices, reducing dead zones and enhancing connectivity.

Security is a key aspect of the WRT54GC, as it offers WPA2 encryption, providing a robust defense against unauthorized access. The router also supports MAC address filtering, which adds an extra layer of security by allowing only recognized devices to connect to the network. These features ensure that users can enjoy their wireless experience with peace of mind.

Another notable characteristic of the WRT54GC is its ease of setup and management. The device comes with a user-friendly web-based interface that simplifies the configuration process, allowing users to establish their network quickly. With features like DHCP, users can also assign IP addresses automatically, streamlining network management for both novices and advanced users alike.

The integrated four-port Ethernet switch adds to the router's versatility, allowing users to connect wired devices directly. This is particularly beneficial for devices that require a stable connection, such as gaming consoles or desktop computers.

In summary, the Linksys WRT54GC router stands out for its compact design, reliable wireless performance, strong security features, and user-friendly management options. It caters to the needs of both casual internet users and small businesses, making it a timeless choice in the landscape of consumer networking devices.
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