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300M Wireless N Router RNX-N300RT User Manual
4.9.1 Basic Security
Choose menu “Security → Basic Security”, you can configure the basic security in the
screen as shown in Figure 4-39.
Figure 4-39 Basic Security
¾ Firewall - A firewall protects your network from the outside world. Here you can
enable or disable the Router’s firewall.
z 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
IPSec, PPTP, or L2TP protocols to pass through the Router’s firewall.
z 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, keep the default, Enabled.
z L2TP Passthrough - Layer 2 Tunneling Protocol (L2TP) 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, keep the default, Enabled.
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