Security; Firewall - TP-Link TL-WR542G User Manual

UPnP device currently accessing the Router.
•
Ext. Port – external port, the device has opened for Router.
•
Protocol – what type of protocol is opened.
•
Int. Port – Internal port, the device has opened for local host.
•
IP Address – the UPnP device that is currently accessing the Router.
•
Status – Either Enabled or Disabled, "Enabled" means that port is still active,
otherwise, the port is inactive.
Click Refresh to update the Current UPnP Settings Table.

5.8 Security

Figure 5-23: the Security menu
There are six submenus under the Security menu (shown in figure 5-23): 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.

5.8.1 Firewall

Using the Firewall page (shown in figure 5-24), 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-WR542G
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54M Wireless Router User Guide