Linksys BEFSR81 manual Port Triggering, Triggered Range, Forwarded Range

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EtherFast Cable/DSL Router with 8-Port Switch

•Application. Enter the name of the application.

•Start and End. Enter the number or range of external port(s) used by the server or Internet application. Check with the Internet application software documentation for more information.

•Protocol. Select the protocol TCP or UDP, or select Both.

•IP Address. Enter the IP address of the server that you want the Internet users to be able to access. To find the IP address, go to “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter.”

•Enabled. Check the Enabled box to enable the services you have defined. Port Range Forwarding will not function if the Enabled button is left unchecked. This is disabled (unchecked) by default.

When finished making your changes on this tab, click the Save Settings button to save these changes, or click the Cancel Changes button to undo your changes. For further help on this tab, click the Help button.

Port Triggering

The Port Triggering screen, as shown in Figure 7-19, allows the Router to watch outgoing data for specific port numbers. The IP address of the computer that sends the matching data is remembered by the Router, so that when the requested data returns through the Router, the data is pulled back to the proper computer by way of IP address and port mapping rules.

Port Triggering

• Application. Enter the application name of the trigger.

Triggered Range

For each application, list the triggered port number range. Check with the Internet application documentation for the port number(s) needed.

•Start Port. Enter the starting port number of the Triggered Range.

•End Port. Enter the ending port number of the Triggered Range.

Forwarded Range

For each application, list the forwarded port number range. Check with the Internet application documentation for the port number(s) needed.

Chapter 7: Using The Router’s Web-based Utility

Figure 7-19: Port Triggering

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Port Triggering

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Contents Cable/DSL Router Word definition How to Use this GuideCopyright and Trademarks Table of Contents Ethernet Adapter Appendix a TroubleshootingCommon Problems and Solutions Frequently Asked Questions Appendix B Upgrading FirmwareBack Panel List of FiguresDdns Disabled Welcome IntroductionWhat’s in this Guide? EtherFast Cable/DSL Router with 8-Port Switch Use of IP Addresses Networking BasicsAn Introduction to LANs Networking Basics Use of IP Addresses Getting to Know the Router Reset Button Reset button can be used in one of two waysFront Panel Overview Connecting the RouterConnect a PC Connection InstructionsConfiguring Windows 98 and Millennium PCs Configuring the PCsConfiguring Windows XP PCs Configuring Windows 2000 PCsInternet Protocol TCP/IP for Windows XP Instructions Configuring the RouterStatic IP Obtain an IP Automatically or DhcpRAS PPPoEPptp Heart Beat SignalSecurity Using The Router’s Web-based UtilitySetup Navigating the UtilityStatus Quick and Easy AdministrationAdministration Applications & GamingInternet Setup Basic SetupPPPoE RAS for SingTelPptp Heart Beat SignalRouter IP Network SetupOptional Settings Ddns Network Address Server Settings DhcpTZO.com MAC Address CloneDynDNS.org MAC Clone Advanced Routing14 Routing Table FilterBlock WAN Requests Filter IP Address RangeFilter Port Range Filter MAC AddressPort Range VPN PassthroughPort Range Forwarding Forwarded Range Port TriggeringTriggered Range 20 UPnP Forwarding UPnP ForwardingDMZ Application-based QoS QoSQoS Port-based QoS Router AccessLocal Router Access ManagementIdentification Remote Router AccessUPnP Log25 Incoming Log Table Factory DefaultsInformation Firmware UpgradeUpgrade Firmware Router31 Local Network Local NetworkFor Windows Appendix a TroubleshootingCommon Problems and Solutions For Windows 98 and MillenniumFor Windows XP For Windows 98 and Millennium EtherFast Cable/DSL Router with 8-Port Switch Need to set up a server behind my Router Am not able to access the Router’s Web-based Utility SetupTCP Application Start and End Protocol IP Address EnabledCan’t get the Internet game, server, or application to work For Netscape 4.7 or higher To start over, I need to set the Router to factory defaultNeed to upgrade the firmware For Microsoft Internet Explorer 5.0 or higherMy DSL service’s PPPoE is always disconnecting Firmware upgrade failedNeed to use port triggering Does the Router support IPX or AppleTalk? Frequently Asked QuestionsWhere is the Router installed on the network? Is IPSec Passthrough supported by the Router?How can I block corrupted FTP downloads? How many ports can be simultaneously forwarded? What is DMZ Hosting?Will the Router function in a Macintosh environment? Is the Router cross-platform compatible?How do I get mIRC to work with the Router? How can I check whether I have static or Dhcp IP addresses?Appendix B Upgrading Firmware Figure B-1 Upgrade FirmwareWindows 2000 or XP Instructions Windows 98 or Me InstructionsFigure C-3 MAC Address/Physical Address For the Router’s Web-based UtilityNetwork Neighborhood/My Network Places Appendix D Windows HelpShared Resources Appendix E Glossary EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch Ports Appendix F SpecificationsEight 10/100 RJ-45 Switched Ports StandardsLimited Warranty Appendix G Warranty InformationFCC Statement Appendix H Regulatory InformationInformation section in this Guide Appendix I Contact InformationNeed to contact Linksys?
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BEFSR81 specifications

The Linksys BEFSR81 is a highly regarded router that stands as a staple in home networking solutions. With its robust set of features, it has catered to both casual users and technology enthusiasts alike. The BEFSR81 is primarily known for its versatile connectivity options, making it a popular choice for users looking to connect multiple devices without compromising speed or reliability.

One of the standout features of the Linksys BEFSR81 is its ability to support up to eight Ethernet ports, allowing for extensive wired connections. This is particularly beneficial for users with multiple devices that require stable internet access, such as gaming consoles, desktop computers, and smart home devices. Additionally, the router supports advanced networking features, including DHCP server capabilities and network address translation (NAT), further optimizing performance and security.

In terms of security, the BEFSR81 offers stateful packet inspection firewalls and support for Wi-Fi Protected Access (WPA) encryption, ensuring that users' data and privacy are well-protected. It also includes features like MAC address filtering, which allows users to create a whitelist of devices permitted to access the network, bolstering security even further.

The Linksys BEFSR81 adopts a user-friendly interface that simplifies the setup process, making it accessible for individuals with varying levels of technical expertise. Users can manage their network settings effortlessly via the web-based management interface, enabling them to configure passwords, adjust settings, and monitor network activity.

Moreover, the BEFSR81 supports Quality of Service (QoS) features that prioritize bandwidth for certain applications, ensuring that streaming services, online gaming, and video conferencing perform optimally without lag. This is particularly advantageous in households with numerous users engaging in data-intensive activities simultaneously.

Overall, the Linksys BEFSR81 remains a reliable choice for those seeking a well-rounded router that combines a feature-rich design with robust performance. Whether for home office use, casual browsing, or intensive gaming, the BEFSR81 meets the demands of modern networking needs, ensuring a seamless and secure internet experience for its users.
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