The Security Tab - Vpn Passthrough; Figure 6-25: Security Tab - Vpn Passthrough - Linksys WRT54GS User Manual

Wireless-G Broadband Router with SpeedBooster

The Security Tab - VPN Passthrough

Use the settings on this tab to allow VPN tunnels using IPSec, PPTP, or L2TP protocols to pass through the
Router's firewall.
IPSec Pass-through. Internet Protocol Security (IPSec) is a suite of protocols used to implement secure
exchange of packets at the IP layer. To allow IPSec tunnels to pass through the Router, click Enable. IPSec Pass-
Through is enabled by default.
PPTP Pass-through. Point-to-Point Tunneling Protocol (PPTP) allows the Point-to-Point Protocol (PPP) to be
tunneled through an IP network. To allow PPTP tunnels to pass through the Router, click Enable. PPTP Pass-
Through is enabled by default.
L2TP Pass-through. 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 Enable. L2TP Pass-Through
is enabled by default.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Chapter 6: Configuring the Wireless-G Broadband Router
The Security Tab - VPN Passthrough

Figure 6-25: Security Tab - VPN Passthrough

vpn: a Vsecurity 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
48