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Wireless-N Gigabit Router with Storage Link
The Security Tab - VPN Passthrough
The VPN Passthrough screen allows you to allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass
through the Router.
VPN Passthrough
IPSec Passthrough. IPSec (Internet Protocol Security) is a suite of protocols used to implement secure exchange
of packets at the IP layer. To allow IPSec Passthrough, click the Enabled button. To disable IPSec Passthrough,
click the Disabled button.
L2TP Passthrough. Layer 2 Tunneling Protocol is the method used to enable Point-to-Point sessions via the
Internet on the Layer 2 level. To allow L2TP tunnels to pass through the Router, click the Enabled button. To
disable L2TP Passthrough, click the Disabled button.
PPTP Passthrough. PPTP (Point-to-Point Tunneling Protocol) Passthrough allows the Point-to-Point (PPP) to be
tunneled through an IP network. To allow PPTP Passthrough, click the Enabled button. To disable PPTP
Passthrough, click the Disabled button.
When you have finished making changes to this screen, click the Save Settings button to save the changes, or
click the Cancel Changes button to undo your changes. Help information is available on the right side of the
screen.
Chapter 5: Configuring the Wireless-N Gigabit Router with Storage Link
The Security Tab - VPN Passthrough
Figure 5-25: VPN Passthrough
vpn: a security measure to protect data as it leaves
one network and goes to another over the Internet.
ipsec: a VPN protocol used to implement secure
exchange of packets at the IP layer.
pptp: a VPN protocol that allows the Point to Point
Protocol (PPP) to be tunneled through an IP network.
This protocol is also used as a type of broadband
connection in Europe.
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