Siemens Giga762SX User Manual page 72

Configuring Advanced Settings
Note:
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An application that is configured for port triggering can only be run by one user in
the local network at a time.
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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.
When the Giga762SX WLAN dsl is supplied, the
tion) 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 Giga762SX WLAN dsl to carry out the fol-
lowing tasks:
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Set up port triggering for special applications (page 75),
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Set up the Giga762SX WLAN dsl as a virtual server by configuring Port Forwarding
(page 76),
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Open the firewall for a selected PC (page 78).
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
Giga762SX WLAN dsl, you must select Never expires (page 83) as the setting in the
Local Network menu entry for the Lease time or assign static IP addresses for the
PCs.
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.
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In the Advanced Settings menu, select: Internet – Address Translation (NAT)
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NAT function (Network Address Transla-