Figure 5-21: security, The security tab – Linksys HG200 User Manual
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Chapter 5: Configuring the Home Wireless-G Gateway
The Security Tab
Home Wireless-G Gateway
The Security Tab
This screen shows the VPN passthrough, firewall, and filter settings. Use these features to enhance the security
of your network.
VPN Passthrough
Virtual Private Networking (VPN) is a security measure that basically creates a secure connection between two
remote locations. Configure these settings so the Gateway will permit VPN tunnels to pass through.
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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.
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PPPoE Passthrough. PPPoE Passthrough allows your PC(s) to use the PPPoE client software provided by your
ISP. Some ISPs may request that you use this feature on the Gateway. To allow PPPoE Passthrough, click the
Enable button. To disable PPPoE Passthrough, click the Disable button.
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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.
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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.
Firewall
You can enable or disable the firewall, select filters to block specific Internet data types, and block anonymous
Internet requests.
To use the firewall, click Enable. If you do not want to use the firewall, click Disable.
Additional Filters
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Filter Proxy. Use of WAN proxy servers may compromise the Gateway's security. Denying Filter Proxy will
disable access to any WAN proxy servers. To enable proxy filtering, click the checkbox.
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Filter Cookies. A cookie is data stored on your computer and used by Internet sites when you interact with
them. To enable cookie filtering, click the checkbox.
Figure 5-21: Security