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.
•L2TP Passthrough. Layering 2 Tunneling Protocol Passthrough is an extension of the
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
Chapter 5: Configuring the Gateway
Figure 5-14: Firewall
23
The Security Tab
