Users who want to use a special-purpose Internet service, such as an on-line game or video conferencing program, that is not presented in the port forwarding list

and for which no port range information is available.

Users who are not concerned with security and wish to expose one computer to all services without restriction.

Note: A DMZ host is not protected by the firewall and may be vulnerable to attack. This may also put other computers in the home network at risk. Hence, when

designating a DMZ host, you must consider the security implications and protect it if necessary.

You can set up a client in your local network as a so-called DMZ host. Your device then forwards all incoming data traffic from the Internet to this client. You can, for

example, operate your own Web server on one of the clients in your local network and make it accessible to Internet users. As the exposed host, the local client is directly

visible to the Internet and therefore particularly vulnerable to attacks (for example, hacker attacks). Enable this function only when necessary (for example, to operate a

Web server) and when other functions (for example, port forwarding) are inadequate. In this case, you should take appropriate measures for the clients concerned.

Note: Only one PC per public IP address can be set up as an exposed host.

Adding a DMZ Host

To set up a PC as a DMZ host, click DMZ.

Enter the local IP address of the PC that is to be enabled as an exposed host.

Click Apply to apply the settings.

Remove DMZ host

Clear the DMZ Host Address.

Click Apply to apply the settings.

D-Link DSL-2640B User Manual

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