Security; Firewall - TP-Link TL-WR543G User Manual

App Description – The description provided by the application in the UPnP request
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External Port - External port, which the router opened for the application.
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Protocol - Shows which type of protocol is opened.
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Internal Port - Internal port, which the router opened for local host.
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IP Address - The UPnP device that is currently accessing the router.
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Status - Either Enabled or Disabled, "Enabled" means that port is still active. Otherwise,
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the port is inactive.
Click Refresh to update the Current UPnP Settings List.

4.9 Security

There are six submenus under the Security menu (shown in Figure 4-36): Firewall, IP Address
Filtering, Domain Filtering, MAC Filtering, Remote Management and Advanced Security.
Click any of them, and you will be able to configure the corresponding function. The detailed
explanations for each submenu are provided below.

4.9.1 Firewall

Using the Firewall page (shown in Figure 4-37), you can turn the general firewall switch on or off.
The default setting for the switch is off. If the general firewall switch is off, even if IP Address
Filtering, DNS Filtering and MAC Filtering are enabled, their settings are ineffective.
TL-WR543G 54M Wireless AP Client Router User Guide
Figure 4-36 The Security menu
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