Linksys WRH54G manual Security Tab Firewall, Additional Filters

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Wireless-G Home Router

The Security Tab - Firewall

You can enable or disable the firewall, select filters to block specific Internet data types, and block anonymous Internet requests. Use these features to enhance the security of your network.

Firewall Protection. This feature employs Stateful Packet Inspection (SPI) for a more detailed review of data packets entering your network environment.

Additional Filters

Filter Proxy. Use of WAN proxy servers may compromise the device's security. Denying Filter Proxy will disable access to any WAN proxy servers. Select to enable proxy filtering, or deselect to disable this feature.

Filter Cookies. A cookie is data stored on your computer and used by Internet sites when you interact with them. Select to enable cookie filtering, or deselect to disable this feature.

Filter Java Applets. Java is a programming language for websites. If you deny Java Applets, you run the risk of not having access to Internet sites created using this programming language. Select to enable Java Applet filtering, or deselect to disable this feature.

Filter 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. Select to enable ActiveX filtering, or deselect to disable this feature.

Block WAN Requests

Block WAN Requests. Enable the Block WAN Request feature by checking the box beside Block Anonymous Internet Requests and you can prevent your network from being pinged, or detected, by other Internet users.The Block WAN Request feature also reinforces your network security by hiding your network ports. Both functions of the Block WAN Request feature make it more difficult for outside users to work their way into your network. This feature is enabled by default. Deselect 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 to filter multicasting, or Deselect to disable this feature.

Filter Internet NAT Redirection. This feature uses port forwarding to block access to local servers from local networked computers. Select to filter Internet NAT redirection, or Deselect to disable this feature.

Filter IDENT (Port 113). This feature keeps port 113 from being scanned by devices outside of your local network. Select to filter port 113, or Deselect to disable this feature.

Chapter 5: Configuring the Wireless-G Home Router

Figure 5-28: Security Tab - Firewall

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The Security Tab - Firewall

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Contents Wireless- G Word definition Copyright and TrademarksTable of Contents Appendix C Upgrading Firmware Appendix D Windows Help Appendix a TroubleshootingAppendix B Wireless Security Router’s Back Panel List of Figures23 Wireless Tab Wireless Security Radius Figure E-1 IP Configuration Screen Welcome IntroductionWhat’s in this User Guide? Wireless-G Home Router Network Topology Planning Your Wireless NetworkAd-Hoc versus Infrastructure Mode Ssid service set identifier your wireless network’s namePlanning Your Wireless Network Network Layout Back Panel Getting to Know the Wireless-G Home RouterRouter’s LEDs are located on the front panel Front PanelOverview Connecting the Wireless-G Home RouterConnecting Your Network Devices Connecting Another Router Hardware Installation for Connection to Another RouterConnecting Your Network Devices Welcome Screen Configuring the Wireless-G Home RouterInternet Setup Setup Tab Basic SetupPPPoE Connection Type Optional Settings Network Setup Time Setting Ddns Setup Tab DdnsTZO.com Setup Tab MAC Address Clone15 Setup Tab Advanced Routing Router Setup Tab Advanced RoutingWireless Tab Basic Wireless Settings Setup Tab WAN Port Configure19 Wireless Tab Wireless Security WPA Personal Wireless Tab Wireless Security22 Wireless Tab Wireless Security WPA2 Enterprise 23 Wireless Tab Wireless Security Radius 25 Wireless Tab Wireless MAC Filter Wireless Tab MAC FilteringSeverely decrease performance Wireless Tab Advanced Wireless SettingsWireless-G Home Router Additional Filters Security Tab FirewallSecurity Tab ARP Security Tab VPN Passthrough31 Access Restrictions Tab Internet Access Access Restrictions Tab Internet Access34 Port Services 35 Single Port Forward Applications and Gaming Tab Single Port ForwardWireless-G Home Router 36 Applications and Gaming Tab Port Range Forward Applications and Gaming Tab Port Range ForwardTriggered Range Applications & Gaming Tab Port Triggering38 Applications and Gaming Tab UPnP Applications and Gaming Tab UPnP39 Applications and Gaming Tab DMZ Applications and Gaming Tab DMZAdministration Tab Log Administration Tab Management43 Administration Tab Diagnostics Administration Tab Diagnostics45 The Traceroute Test Administration Tab Config Management Administration Tab Factory DefaultsAdministration Tab Firmware Upgrade Status Tab Router Administration Tab Reboot52 Status Tab Local Network Status Tab Local Network54 Traffic Statistics Status Tab Traffic Statistics55 Status Tab Wireless Status Tab WirelessNeed to set a static IP address on a PC Appendix a TroubleshootingCommon Problems and Solutions Wireless-G Home Router Open a command prompt. For Windows 98SE and Me Application Start and End Protocol IP Address Enabled Can’t get the Internet game, server, or application to work Wireless-G Home Router My DSL service’s PPPoE is always disconnecting To start over, I need to set the Router to factory defaultNeed to upgrade the firmware Firmware upgrade failed, and/or the Power LED is flashingPower LED keeps flashing Is IPSec Pass-Through supported by the Router? Frequently Asked QuestionsWhere is my SecureEasySetup button? Where is the Router installed on the network?Does the Router support ICQ send file? What is Network Address Translation and what is it used for?How can I block corrupted FTP downloads? Is the Router cross-platform compatible? What is DMZ Hosting?What are the advanced features of the Router? What is the Ieee 802.11g standard?What is ad-hoc mode? What is the Ieee 802.11b standard?What Ieee 802.11g features are supported? What Ieee 802.11b features are supported?What is DSSS? What is FHSS? And what are their differences? What is ISM band?What is Spread Spectrum? How do I resolve issues with signal loss? What is WEP?What is a MAC Address? How do I reset the Router?Security Threats Facing Wireless Networks Appendix B Wireless SecuritySecurity Precautions Appendix B Wireless Security Wireless-G Home Router Appendix C Upgrading Firmware Figure C-1 Upgrade FirmwareTCP/IP Appendix D Windows HelpWindows 2000 or XP Instructions Windows 98SE or Me InstructionsFigure E-4 MAC Address Filter List For the Router’s Web-based UtilityAppendix F Glossary Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router WRH54G Appendix G SpecificationsFCC Limited Warranty Appendix H Warranty InformationAppendix I Regulatory Information Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Wireless-G Easy Router Appendix J Contact Information
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