The Security Tab - Vpn Passthrough; Figure 5-23: Security Tab - Vpn Passthrough - Linksys WRT54GP2 User Manual

Wireless-G Broadband Router with 2 Phone Ports

The Security Tab - VPN Passthrough

The VPN Passthrough screen allows you to allow VPN tunnels using IPSec, PPPoE, 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.
PPPoE Passthrough. PPPoE (Point-to-Point over Ethernet) 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 Router. To allow PPPoE
Passthrough, click the Enabled button. To disable PPPoE Passthrough, click the Disabled button.
PPTP Pass Through. 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 on this screen, click the Save Settings button to save the changes, or
click the Cancel Changes button to undo your changes. Help information is shown on the right-hand side of a
screen. For additional information, click More.
Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports
The Security Tab - VPN Passthrough

Figure 5-23: Security Tab - 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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