User Manual

User’s Guide
21
4.8 Security
VPN Pass through
This Router provides VPN Pass through function for LAN client behind the Router to build VPN tunnels for secure the
network. Use the settings on this tab to allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass through the
Router’s firewall.
IPSec Passthrough: Internet Protocol Security (IPSec) is a suite of protocols used to implement secure exchange of
packets at the IP layer. IPSec Pass-Through is enabled by default. To disable IPSec Passthrough, select Disabled.
L2TP Passthrough: Layer 2 Tunneling Protocol is the method used to enable Point-to-Point sessions via the Internet
on the Layer 2 level. L2TP Pass-Through is enabled by default. To disable L2TP Passthrough, select Disabled.
PPTP Passthrough: Point-to-Point Tunneling Protocol (PPTP) allows the Point-to-Point Protocol (PPP) to be tunneled
through an IP network. PPTP Pass-Through is enabled by default. To disable PPTP Passthrough, select Disabled.
Change these settings as described here and click the Apply button to apply your changes or click Cancel to cancel your
changes. For additional information, click Help.