Linksys RT31P2-NA manual Security Tab Filter, Filter IP Address Range, Filter Port Range

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Broadband Router with 2 Phone Ports

The Security Tab - Filter

When you click the Security tab, you will see the Filter screen. Filters block specific internal users from accessing the Internet and block anonymous Internet requests and/or multicasting.

Filter IP Address Range

You can create up to five different IP Address Range filters. To set up a filter using IP addresses, enter the range of IP addresses you wish to filter in the Start and End fields. Users who have filtered IP addresses will not be able to access the Internet at all. If you only want to filter one IP address instead of a range of IP addresses, enter the same value into both fields. For instance, if you wish to filter the PC with the IP address of 192.168.15.5, enter 5 into both fields on one line: 192.168.15.5 ~ 192.168.15.5.

Filter Port Range

You can create up to five different Port Range filters. To filter users by network port number, select the protocol you want to filter, TCP, UDP, or Both, from the Protocol drop-down menu. Enter the port numbers you want to filter in the Start and End fields. Users connected to the Router will no longer be able to access any port number listed there.

Filter MAC Address

This feature blocks computers with specific MAC addresses from going out to the Internet. For information on obtaining a MAC address, go to “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter.” To set the MAC filter, click the Edit MAC Filter Setting button.

Edit MAC Filter Setting. Click the Edit MAC Filter Setting button. Select the range of MAC address entries in the drop-down box. In each mac field, enter the MAC address you want to filter. Click the Apply button before closing the window. To cancel changes, click the Undo button.

Block WAN Requests

Use these features to enhance your network’s security and filter multicasting.

Block Anonymous Internet Requests. This keeps your network from being “pinged” or detected and reinforces your network security by hiding your network ports, so it is more difficult for intruders to work their way into your network. Select Enabled to block anonymous Internet requests, or Disabled to allow anonymous Internet requests.

Chapter 5: Configuring the Router

Figure 5-14: Security Tab - Filter

Figure 5-15: Filtered MAC Address

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The Security Tab - Filter

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Contents Broadband Router Copyright and Trademarks How to Use this GuideWord definition Table of Contents Appendix a Troubleshooting Common Problems and Solutions Frequently Asked QuestionsAppendix B Upgrading Firmware Ethernet AdapterBack Panel Front Panel23 Applications & Gaming Tab DMZ Introduction WelcomeWhat’s in this Guide? Broadband Router with 2 Phone Ports An Introduction to Local Area Networks Networking BasicsUse of IP Addresses Networking Basics Use of IP Addresses Getting to Know the Router Phone2Front Panel Connecting the Router OverviewConnection Instructions Connect a PCSetup Configuring the RouterSecurity Administration VoiceApplications & Gaming StatusHow to Access the Web-based Utility Setup Tab Basic SetupInternet Setup Internet Connection TypeStatic IP PPPoERAS for SingTel PptpHeart Beat Signal Heart Beat SignalNetwork Setup Optional SettingsNetwork Address Server Settings Dhcp Router IPTime Setting DynDNS.org Setup Tab DdnsTZO.com Setup Tab MAC Address Clone MAC CloneSetup Tab Advanced Routing Advanced Routing13 Routing Table Entry List Security Tab Filter Filter IP Address RangeFilter Port Range Filter MAC AddressConfiguring the Router Security Tab Filter Security Tab VPN Passthrough VPN PassthroughStun Settings Voice Tab SystemNAT Traversal Settings Voice Tab Line1 SettingsSubscriber Information Call Forward Settings Speed Dial SettingsSupplementary Service Settings Distinctive Ring SettingsVoice Quality Settings Voice Tab Line2 Settings 19 Voice Tab Line2Configuring the Router Voice Tab Line2 Settings Voice Quality Settings Port Range Forwarding Applications & Gaming Tab Port Range ForwardingPort Range Applications & Gaming Tab Port Triggering Port TriggeringTriggered Range Forwarded RangeApplications & Gaming Tab UPnP Forwarding UPnP ForwardingBroadband Router with 2 Phone Ports Applications & Gaming Tab DMZ DMZApplication-based QoS Applications & Gaming Tab QoSPort-based QoS Voice QoS Administration Tab Management Router PasswordLocal Router Access Remote Router AccessBackup and Restore 26 Backup & Restore ConfigurationAdministration Tab Log LogAdministration Tab Factory Defaults Factory DefaultsAdministration Tab Firmware Upgrade Upgrade FirmwareStatus Tab Voice InformationLine1 Status Line2 StatusStatus Tab Router 33 Status Tab RouterStatus Tab Local Network Local NetworkAppendix a Troubleshooting Common Problems and SolutionsFor Windows For Windows 98 and MillenniumNeed to set a static IP address on a PC For Windows XP Want to test my Internet connectionFor Windows Am not able to access the Router’s Web-based Utility Setup Need to set up a server behind my Router Application Start and End Protocol IP Address Enabled TCPCan’t get the Internet game, server, or application to work To start over, I need to set the Router to factory default Need to upgrade the firmwareFor Microsoft Internet Explorer 5.0 or higher For Netscape 4.7 or higherFirmware upgrade failed My DSL service’s PPPoE is always disconnectingNeed to use port triggering Frequently Asked Questions Does the Router support ICQ send file? If all else fails in the installation, what can I do?How can I block corrupted FTP downloads? Is the Router cross-platform compatible? What is DMZ Hosting?How many ports can be simultaneously forwarded? How can I check whether I have static or Dhcp IP addresses? Which modems are compatible with the Router?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 AddressShared Resources Appendix D Windows HelpNetwork Neighborhood/My Network Places Appendix E Glossary Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Appendix F Specifications Storage Temp Operating HumidityStorage Humidity 0ºC to 40ºC 32ºF to 104ºFAppendix G Warranty Information Limited WarrantyAppendix H Regulatory Information FCC StatementNeed to contact Linksys? Appendix I Contact InformationInformation section in this Guide

RT31P2-NA specifications

The Linksys RT31P2-NA is a versatile voice-over-IP (VoIP) router designed to seamlessly combine internet connectivity with telephone services. Targeted at home users and small businesses, the device acts as a gateway through which users can connect multiple computers and internet-enabled devices while also facilitating digital phone services.

One of the standout features of the RT31P2-NA is its ability to support multiple voice lines, allowing users to make and receive calls while simultaneously using the internet. This dual functionality is made possible by its built-in VoIP capabilities, which leverage Session Initiation Protocol (SIP) technology, ensuring high-quality voice calls without interruptions from internet traffic.

In terms of connectivity, the router includes a standard Ethernet WAN port and four Ethernet LAN ports, providing ample options for wired connections to various devices. This setup is ideal for households or small offices that require stable, high-speed internet access across numerous devices. Additionally, the router features two telephone ports, allowing users to connect traditional analog phones directly for VoIP services.

Security is a key characteristic of the RT31P2-NA. It incorporates advanced security protocols such as WPA2 encryption and firewall capabilities to protect users' networks from unauthorized access and cyber threats. The router also supports Quality of Service (QoS) features, enabling users to prioritize bandwidth allocation for voice calls and other critical applications, ensuring minimal lag and superior call quality.

The design of the RT31P2-NA is user-friendly, with an intuitive interface that simplifies the setup process. The integrated configuration wizard helps users connect to their internet service and set up telephony services with ease. Furthermore, firmware updates can be easily managed, keeping the device secure and running optimally.

Moreover, Linksys is known for its reliable customer support and warranty services, which enhance the overall experience for users. The RT31P2-NA is a robust option for individuals and small businesses looking to streamline their communication needs while enjoying reliable internet connectivity. Whether for personal use or office applications, this router delivers a balanced mix of performance, functionality, and ease of use.
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