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4.6.3 Advanced Security
In the presence of the firewall, anonymous Internet traffic is blocked. Using the advanced security
features, you can redirect this traffic to a dedicated computer on your local network (DMZ) or
open the access from the Internet to the ADSL Router's management ports (web, telnet). The
ADSL Router's firewall and NAT services (port forwarding, access control) can be disabled for all
interfaces by un-checking the "Enable Firewall and NAT Service"
To enable any of the advanced security features, click Advanced and configure the option under
Firewall. Figure 14 illustrates the typical advanced security in Access Control configuration.
Figure 14 (Access Control)
The apply button will temporarily save this connection. To make the change permanent you need
to click on
Save Settings
(at the side of the page). At the system commands page, click on
Save
All
.
4.6.3.1 DMZ configuration
Setting a computer (on your local network) as a DMZ forwards any network traffic that is not
redirected to another computer via the port-forwarding feature to the computer's IP address. This
opens the access to the DMZ computer from the Internet.