TP-Link TL-WR1042ND User Guide - Page 70

Basic Security, L2TP Passthrough

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TL-WR1042ND 300Mbps Wireless N Gigabit Router Advanced Security, Local Management and Remote Management. Click any of them, and you will be able to configure the corresponding function. 4.10.1 Basic Security Choose menu "Security → Basic Security", and then you can configure the basic security in the screen as shown in Figure 4-54. Figure 4-54 Basic Security ¾ Firewall - A firewall protects your network from the outside world. Here you can enable or disable the Router's firewall. • SPI Firewall - SPI (Stateful Packet Inspection, also known as dynamic packet filtering) helps to prevent cyber attacks by tracking more state per session. It validates that the traffic passing through the session conforms to the protocol. SPI Firewall is enabled by factory default. If you want all the computers on the LAN exposed to the outside world, you can disable it. ¾ VPN - VPN Passthrough must be enabled if you want to allow VPN tunnels using VPN protocols to pass through the Router. • PPTP Passthrough - 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. • L2TP Passthrough - Layer Two Tunneling Protocol (L2TP) is the method used to enable Point-to-Point sessions via the Internet on the Layer Two level. To allow L2TP tunnels to pass through the Router, click Enable. • IPSec Passthrough - Internet Protocol security (IPSec) is a suite of protocols for ensuring private, secure communications over Internet Protocol (IP) networks, through -61-

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TL-WR1042ND
300Mbps Wireless N Gigabit Router
-61-
Advanced Security
,
Local Management
and
Remote Management.
Click any of them, and you
will be able to configure the corresponding function.
4.10.1 Basic Security
Choose menu “
Security
→
Basic Security
”, and then you can configure the basic security in
the screen as shown in Figure 4-54.
Figure 4-54
Basic Security
¾
Firewall -
A firewall protects your network from the outside world. Here you can enable or
disable the Router’s firewall.
•
SPI Firewall
- SPI (Stateful Packet Inspection, also known as dynamic packet filtering)
helps to prevent cyber attacks by tracking more state per session. It validates that the
traffic passing through the session conforms to the protocol. SPI Firewall is enabled by
factory default. If you want all the computers on the LAN exposed to the outside world,
you can disable it.
¾
VPN -
VPN Passthrough must be enabled if you want to allow VPN tunnels using VPN
protocols to pass through the Router.
•
PPTP Passthrough
- 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
.
•
L2TP Passthrough
- Layer Two Tunneling Protocol (L2TP) is the method used to
enable Point-to-Point sessions via the Internet on the Layer Two level. To allow L2TP
tunnels to pass through the Router, click
Enable
.
•
IPSec Passthrough
- Internet Protocol security (IPSec) is a suite of protocols for
ensuring private, secure communications over Internet Protocol (IP) networks, through