Siemens SX763 User Manual download pdf (Page 69)

Configuring Advanced Settings

Gigaset SX763 WLAN dsl / en / A31008-M707-R131-2-7619 / configure_router.fm / 08.12.2006

Schablone 2005_05_02

ì Comment: Enter a description that makes it easy to identify different entries.

ì Activate Enabled by ticking the check box.

ì Click the Add button to add a new entry.

ì Click the Delete button to delete an entry.

ì Click OK to apply the settings.

Opening the firewall for selected PCs (Exposed Host)

You can set up a client in your local network to be a so-called "exposed host" (DMZ). Your

device will then forward all incoming data traffic from the Internet to this client. You can

then, for example, operate your own Web server on one of the clients in your local net-

work and make it accessible to Internet users.

As the exposed host, the local client is directly visible to the Internet and therefore par-

ticularly vulnerable to attacks (e.g. hacker attacks). Only activate this function if it is

absolutely necessary (e.g. to operate a Web server) and other functions (e.g. port for-

warding) are not adequate. In this case you should take appropriate measures for the

clients concerned.

ì To set up a PC as an exposed host, select Exposed Host from the Advanced Settings

– Internet – Address Translation (NAT) menu.

ì Enter the Local IP address of the PC that is to be enabled as an Exposed Host.

ì Enter a name for the PC in the Comment field.

ì Activate Enabled by ticking the check box.

Note:

Only one PC per public IP address can be set up as an Exposed Host (see also the sec-

tion entitled Port Forwarding on page 67).

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Siemens SX763 User Manual Page 69