TP-Link TL-WR840N User Guide - Page 57

Security

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TL-WR840N 300Mbps Wireless N Router User Guide • Status - The status of the port is displayed here. "Enabled" means that the port is still active. Otherwise, the port is inactive. Click Refresh to update the Current UPnP Settings List. 4.9 Security Figure 4-37 The Security menu There are four submenus under the Security menu as shown in Figure 4-37: Basic Security, Advanced Security, Local Management and Remote Management. Click any of them, and you will be able to configure the corresponding function. 4.9.1 Basic Security Choose menu "Security → Basic Security", you can configure the basic security in the screen as shown in Figure 4-38. Figure 4-38 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 - 48 -

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TL-WR840N
300Mbps Wireless N Router User Guide
- 48 -
•
Status -
The status of the port is displayed here. “Enabled” means that the port is still
active. Otherwise, the port is inactive.
Click
Refresh
to update the Current UPnP Settings List.
4.9 Security
Figure 4-37 The Security menu
There are four submenus under the Security menu as shown in Figure 4-37:
Basic Security
,
Advanced Security
,
Local Management
and
Remote Management.
Click any of them, and you
will be able to configure the corresponding function.
4.9.1 Basic Security
Choose menu “
Security
→
Basic Security
”, you can configure the basic security in the screen
as shown in Figure 4-38.
Figure 4-38 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