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Wireless Gateway User Guide
4
NAT Firewall Protection
The firewall protection provided by the Wireless Gateway is an intrinsic side effect
of NAT (Network Address Translation). All users on the LAN share a single
external IP address. From the external viewpoint, there is no network, only a single
device.
For internal users, the Wireless Gateway acts as a “transparent proxy server”,
translating the multiple internal IP addresses into a single external IP address.
For external requests, any attempt to connect to local resources is blocked. The
Wireless Gateway will not “reverse translate” from a external IP address to a local
IP address.
This type of “natural” firewall provides an impregnable barrier against malicious
attacks.
Package Contents
The following items should be included:
•
The Wireless Gateway Unit
•
Wireless PCMCIA Card
•
Power Adapter
•
Quick Installation Guide
•
CD-ROM containing the on-line manual and Print Port Driver.
If any of the above items are damaged or missing, please contact your dealer immediately.
Physical Details
Top-mounted LEDs
Power On
- Power on.
Off
- No power.
Status (Red) On
- Error condition.
Off
- Normal operation.
Blinking
- This LED blinks during start up.
WAN On
- WAN connection is established.
Flashing
- Data is being transmitted or received via the WAN port.
LAN: 10 On
- LAN connection is using 10BaseT.
Off
- No LAN connection.
Flashing
- Data is being transmitted or received via the LAN port.
LAN: 100 On
- LAN connection is using 100BaseT.
Off
- No LAN connection.
Flashing
- Data is being transmitted or received via the LAN port.