Linksys BEFSR81 manual Application Start and End Protocol IP Address Enabled, Tcp

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EtherFast Cable/DSL Router with 8-Port Switch

documentation provided with the server you installed. Follow these steps to set up port forwarding through the Router’s Web-based Utility. We will be setting up web, ftp, and mail servers.

A.Access the Router’s Web-based Utility by going to http://192.168.1.1 or the IP address of the Router. Go to the Applications & Gaming => Port Range Forwarding tab.

B.Enter any name you want to use for the Application.

C.Enter the port range of the service you are using. For example, if you have a web server, you would enter the range 80 to 80.

D.Select the protocol you will be using, TCP or UDP, or select Both.

E.Enter the IP address of the PC or network device that you want the port server to go to. For example, if the web server’s Ethernet adapter IP address is 192.168.1.100, you would enter 100 in the field provided. Check “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter” for details on getting an IP address.

F.Check the Enabled option for the port services you want to use. Consider the example below:

Application

Start and End

Protocol

IP Address

Enabled

 

 

 

 

 

Web server

80 to 80

Both

192.168.1.100

X

 

 

 

 

 

FTP server

21 to 21

TCP

192.168.1.101

X

 

 

 

 

 

SMTP (outgoing)

25 to 25

Both

192.168.1.102

X

 

 

 

 

 

POP3 (incoming)

110 to 110

Both

192.168.1.102

X

 

 

 

 

 

When you have completed the configuration, click the Save Settings button.

7.I need to set up online game hosting or use other Internet applications.

If you want to play online games or use Internet applications, most will work without doing any port forwarding or DMZ hosting. There may be cases when you want to host an online game or Internet application. This would require you to set up the Router to deliver incoming packets or data to a specific computer. This also applies to the Internet applications you are using. The best way to get the information on what port services to use is to go to the website of the online game or application you want to use. Follow these steps to set up online game hosting or use a certain Internet application:

A.Access the Router’s Web-based Utility by going to http://192.168.1.1 or the IP address of the Router. Go to the Applications & Gaming => Port Range Forwarding tab.

B.Enter any name you want to use for the Application.

C.Enter the port range of the service you are using. For example, if you have a web server, you would enter the range 80 to 80.

Appendix A: Troubleshooting

44

Common Problems and Solutions

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Contents Cable/DSL Router Word definition How to Use this GuideCopyright and Trademarks Table of Contents Appendix B Upgrading Firmware Appendix a TroubleshootingCommon Problems and Solutions Frequently Asked Questions Ethernet AdapterList of Figures Back PanelDdns Disabled Introduction WelcomeWhat’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 Reset Button Reset button can be used in one of two ways Getting to Know the RouterFront Panel Connecting the Router OverviewConnection Instructions Connect a PCConfiguring the PCs Configuring Windows 98 and Millennium PCsConfiguring Windows 2000 PCs Configuring Windows XP PCsInternet Protocol TCP/IP for Windows XP Configuring the Router InstructionsObtain an IP Automatically or Dhcp Static IPPPPoE RASHeart Beat Signal PptpNavigating the Utility Using The Router’s Web-based UtilitySetup SecurityApplications & Gaming Quick and Easy AdministrationAdministration StatusBasic Setup Internet SetupRAS for SingTel PPPoEHeart Beat Signal PptpRouter IP Network SetupOptional Settings Network Address Server Settings Dhcp DdnsTZO.com MAC Address CloneDynDNS.org Advanced Routing MAC CloneFilter 14 Routing TableFilter MAC Address Filter IP Address RangeFilter Port Range Block WAN RequestsPort Range VPN PassthroughPort Range Forwarding Forwarded Range Port TriggeringTriggered Range UPnP Forwarding 20 UPnP ForwardingDMZ Application-based QoS QoSQoS Management Router AccessLocal Router Access Port-based QoSRemote Router Access IdentificationLog UPnPFactory Defaults 25 Incoming Log TableRouter Firmware UpgradeUpgrade Firmware InformationLocal Network 31 Local NetworkFor Windows 98 and Millennium Appendix a TroubleshootingCommon Problems and Solutions For WindowsFor Windows XP For Windows 98 and Millennium EtherFast Cable/DSL Router with 8-Port Switch Am not able to access the Router’s Web-based Utility Setup Need to set up a server behind my RouterApplication Start and End Protocol IP Address Enabled TCPCan’t get the Internet game, server, or application to work For Microsoft Internet Explorer 5.0 or higher To start over, I need to set the Router to factory defaultNeed to upgrade the firmware For Netscape 4.7 or higherFirmware upgrade failed My DSL service’s PPPoE is always disconnectingNeed to use port triggering Is IPSec Passthrough 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? Is the Router cross-platform compatible? What is DMZ Hosting?Will the Router function in a Macintosh environment? How many ports can be simultaneously forwarded?How can I check whether I have static or Dhcp IP addresses? How do I get mIRC to work with the Router?Figure B-1 Upgrade Firmware Appendix B Upgrading FirmwareWindows 98 or Me Instructions Windows 2000 or XP InstructionsFor the Router’s Web-based Utility Figure C-3 MAC Address/Physical AddressNetwork 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 Standards Appendix F SpecificationsEight 10/100 RJ-45 Switched Ports PortsAppendix G Warranty Information Limited WarrantyAppendix H Regulatory Information FCC StatementInformation 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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