Linksys AG241 manual Vpn

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ADSL2 Gateway with 4-Port Switch

Block WAN requests

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 discover your network. Select Block Anonymous Internet Requests to block anonymous Internet requests or de- select it to allow anonymous Internet requests.

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.

VPN

Virtual Private Networking (VPN) is a security measure that basically creates a secure connection between two remote locations. The VPN screen allows you to configure your VPN settings to make your network more secure.

VPN Passthrough

IPSec Passthrough. Internet Protocol Security (IPSec) is a suite of protocols used to implement secure exchange of packets at the IP layer. To allow IPSec Passthrough, click the Enable button. To disable IPSec Passthrough, click the Disable button.

PPTP Passthrough. Point-to-Point Tunneling Protocol Passthrough is the method used to enable VPN sessions to a Windows NT 4.0 or 2000 server. To allow PPTP Passthrough, click the Enable button. To disable PPTP Passthrough, click the Disable button.

L2TP Passthrough. Layering 2 Tunneling Protocol Passthrough is an extension of the Point-to-Point Tunneling Protocol (PPTP) used to enable the operation of a VPN over the Internet.To allow L2TP Passthrough, click the Enable button. To disable L2TP Passthrough, click the Disable button.

IPSec VPN Tunnel

The VPN Gateway creates a tunnel or channel between two endpoints, so that the data or information between these endpoints is secure.

To establish this tunnel, select the tunnel you wish to create in the Select Tunnel Entry drop-down box. It is possible to create up to five simultaneous tunnels. Then click Enabled to enable the IPSec VPN tunnel. Once the tunnel is enabled, enter the name of the tunnel in the Tunnel Name field. This is to allow you to identify

Chapter 5: Configuring the Gateway

Figure 5-14: Firewall

23

The Security Tab

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Contents ADSL2 Gateway Copyright and Trademarks How to Use this GuideWord definition Table of Contents Network 2Computer-to-VPN Gateway21 Internet Policy Summary Figure B-11 Filter Acton Tab Introduction WelcomeWhat’s in this Guide? ADSL2 Gateway with 4-Port Switch Planning Your Network Gateway’s FunctionsIP Addresses What’s an IP Address?Dhcp Dynamic Host Configuration Protocol Servers What is a VPN?Dynamic IP Addresses Why do I need a VPN? VPN Gateway to VPN GatewayVPN Gateway-to-VPN Gateway Getting to Know the ADSL2 Gateway with 4- Port Switch LineDSL Overview Connecting the ADSL2 Gateway with 4-Port SwitchConnection to a Computer Adsl Connection Configuring the Gateway SetupAccess Restrictions SecurityApplications & Gaming AdministrationStatus How to Access the Web-based Utility Setup TabBasic Setup Tab Internet SetupRFC 1483 Bridged Dynamic IP Static IPIPoA RFC 2516 PPPoEBridged Mode Only RFC 2364 PPPoAOptional Settings Required by some ISPs Network SetupDynDNS.org Ddns TabTZO.com Advanced Routing Tab Advanced RoutingSecurity Tab FirewallVPN 15 VPN Advanced VPN Tunnel Setup Manual19 Advanced VPN Tunnel Setup Access Restrictions Tab Internet Access22 List of PCs Single Port Forwarding Applications and Gaming TabPort Range Forwarding Port Triggering DMZAdvanced QoS Application-based QoSGateway Access Administration TabManagement UPnP ReportingEmail Alerts Backup&Restore DiagnosticsPing Test Firmware Upgrade Factory DefaultsUpgrade from LAN Reboot 36 RebootStatus Tab GatewayGateway Information Internet ConnectionsDSL Connection 40 DSL ConnectionCommon Problems and Solutions Appendix a TroubleshootingNeed to set a static IP address on a computer Want to test my Internet connection ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch TCP UDP Can’t get the Internet game, server, or application to work To start over, I need to set the Gateway to factory default Need to upgrade the firmwareFirmware upgrade failed, and/or the Power LED is flashing My DSL service’s PPPoE is always disconnectingPower LED flashes continuously Frequently Asked Questions Where is the Gateway installed on the network?Is IPSec Passthrough supported by the Gateway? Does the Gateway support IPX or AppleTalk?Does the Gateway support ICQ send file? What is DMZ Hosting? What are the advanced features of the Gateway?Will the Gateway function in a Macintosh environment? Is the Gateway cross-platform compatible?What is a MAC Address? How do I reset the Gateway?How do I get mIRC to work with the Gateway? Can the Gateway act as my Dhcp server?Environment WAG54GHow to Establish a Secure IPSec Tunnel Create an IPSec PolicyBuild Filter Lists Filter List 1 win-RouterFilter List 2 Router -win Figure B-4 IP Filter LIstFigure B-7 IP Filter List Configure Individual Tunnel Rules Tunnel 1 win-RouterFigure B-13 Authentication Methods Figure B-16 Tunnel Setting Tab Tunnel 2 Router-winFigure B-19 IP Filter List Tab Figure B-22 Preshared Key Assign New IPSec Policy Figure B-25 Connection TypeCreate a Tunnel Through the Web-Based Utility Figure B-28 VPN TabFigure C-1 IP Configuration Screen Windows 98 or Me InstructionsWindows 2000 or XP Instructions Figure C-3 MAC Address/Physical AddressFigure D-1 Upgrade Firmware Appendix D Upgrading FirmwareAppendix E Glossary ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch Appendix F Specifications ADSL2 Gateway with 4-Port Switch Appendix G Regulatory Information FCC StatementAppendix H Warranty Information Europe Mail Address Appendix I Contact InformationOutside of Europe Mail Address
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