Security; Basic Security - TP-Link TL-MR3020 User Manual

5.9 Security

Figure 5-38 The Security menu
There are four submenus under the Security menu as shown in Figure 5-38: Basic Security,
Advanced Security, Local Management and Remote Management. Click any of them, and
you will be able to configure the corresponding function.
5.9.1

Basic Security

Choose menu "Security → Basic Security", and then you can configure the basic security in
the screen as shown in Figure 5-39.
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.
TL-MR3020 Portable 3G/4G Wireless N Router
Figure 5-39 Basic Security
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