The Gigaset SE505 dsl/cable - DLG Tele

Opening the firewall for selected PC's (DMZ)Configuration with Advanced SetupPC's inside the LAN cannot be accessed from the Internet by default. The router protectsthe LAN by its Firewall. Some applications do not work properly behind a firewallbecause they require unrestricted data flow in both directions. In this case you candefine a so-called demilitarised zone (DMZ) for a PC running such applications. Whenyou create a DMZ, all requests for a service that come from the Internet will beforwarded to that PC unless the service has already been forwarded to another PC byPort Forwarding (see page 88).!Please bear in mind that the demilitarised PC is no longer protectedagainst unauthorised access from the Internet and as such could be asecurity risk for your network. You should use this option only inemergency situations.◆To create a DMZ for a PC, select DMZ in the Virtual server menu.iYou will find an example of how to create a DMZ in "Practical Tips andConfiguration Examples" on the CD supplied.83