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Archer C20i AC750 Wireless Dual Band Router
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There are four submenus under the Security menu: Basic Security, Advanced Security, Local
Management and Remote Management (as shown in Figure 4-67). Click any of them, and yo
u
will be able to configure the corresponding functions.
4.13.1 Basic Security
Choose menu “Security → Basic Security”, and then you can configure the basic security in the
screen as shown in Figure 4-68.
Figure 4-68 Basic Security
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.
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.