TP-Link 3G/4G TL-MR3220 V2 User Guide - Page 64

Security

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TL-MR3220 3G/4G Wireless N Router User Guide  Status - The port's status displayed here. "Enabled" means that port is still active. Otherwise, the port is inactive. Click Refresh to update the Current UPnP Settings List. 4.9 Security Figure 4-41 The Security menu There are four submenus under the Security menu as shown in Figure 4-41: 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 4-42. Figure 4-42 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 -55-

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TL-MR3220
3G/4G Wireless N Router User Guide
Status -
The port’s status displayed here. “Enabled” means that port is still active.
Otherwise, the port is inactive.
Click
Refresh
to update the Current UPnP Settings List.
4.9 Security
Figure 4-41 The Security menu
There are four submenus under the Security menu as shown in Figure 4-41:
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 4-42.
Figure 4-42
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
-55-