51
Configuring Advanced Settings
Gigaset SX761 dsl / eng / A31008-M707-R111-2x-7619 / configure_router.fm / 06.10.2008
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When the Gigaset SX761 dsl is supplied, the
function (Network Address Translation)
is activated, i.e. all IP addresses of PCs in the local network are converted to the router's
public IP address when accessing the Internet.
You can use the NAT settings to configure the Gigaset SX761 dsl to carry out the follow-
ing tasks:
u
Set up port triggering for special applications (page 52),
u
Set up the Gigaset SX761 dsl as a virtual server by configuring Port Forwarding
u
Open the firewall for a selected PC (page 54).
By default the NAT function is activated. You should only deactivate the NAT function if
you want to configure you own firewall in you local network.
ì
In the
Advanced Settings
menu, select:
Internet
–
Address Translation (NAT)
ì
Select the required option.
Note:
u
An application that is configured for port triggering can only be run by one user in
the local network at a time.
u
As long as the public ports are open, they can be used by unauthorised persons to
gain access to a PC in the local network.
Note:
For the functions described below, the IP addresses of the PCs must remain
unchanged. If the IP addresses of the PCs are assigned via the DHCP server of the
Gigaset SX761 dsl, you must select
Never expires
(page 59) as the setting in the
Local Network
menu entry for the
Lease time
or assign static IP addresses for the
PCs.