Siemens gigaset SE551 Owner's Manual page 15

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Security functions
The Gigaset SE551 WLAN dsl/cable offers comprehensive security measures:
– Firewall protection against unauthorised access from the Internet
All the PCs in the local network use the Gigaset SE551 WLAN dsl/cable's
address for their Internet connections, which makes them 'invisible' on the Inter-
net. The Gigaset SE551 WLAN dsl/cable only allows access from the Internet if it
has been requested from the local network.
With the firewall the Gigaset SE551 WLAN dsl/cable also offers comprehensive
protection against hacker attacks.
– Service filtering and URL filtering
The Gigaset SE551 WLAN dsl/cable can filter Internet access. Here you determine
which PCs may access which Internet services.
In addition, you can deactivate access to certain Internet domains and sites
(URL filtering).
– Access control and encryption for the local network
You can use various encryption methods and authentication methods (WEP, WPA/
WPA2-PSK,WPA/WPA2, MAC access control) to prevent unauthorised access to
your wireless LAN or make data illegible to unauthorised parties.
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Offering your own services on the Internet
– If you want to offer your own services on the Internet, you can configure the
Gigaset SE551 WLAN dsl/cable as a virtual server without permitting further
access to the local network.
– Exposed Host
You can set up a PC on your local network to be a virtual server and release it for
unrestricted access from the Internet.
The Gigaset SE551 WLAN dsl/cable
Public IP
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