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Setting up a WLAN
To set up a WLAN and connect to the Internet, you need the following equipment:
●A broadband modem (either DSL or cable) (1) and
●A wireless router (purchased separately) (2)
●The wireless computer (3)
The following illustration shows an example of a wireless network installation that is connected to the Internet.
As your network grows, additional wireless and wired computers can be connected to the network to access the Internet.
For help in setting up your WLAN, refer to the information provided by your router manufacturer or your ISP.
Protecting your WLAN
Because the WLAN standard was designed with only limited security
WLANs in public areas, or “hotspots,” like coffee shops and airports may not provide any security. New technologies are being developed by wireless manufacturers and hotspot service providers that make the public environment more secure and anonymous. If you are concerned about the security of your computer in a hotspot, limit your network activities to noncritical
When you set up a WLAN or access an existing WLAN, always enable security features to protect your network from unauthorized access. The common security levels are
●Use a wireless transmitter with built-in security
Many wireless base stations, gateways, or routers provide
●Work behind a firewall
A firewall is a barrier that checks both data and requests for data that are sent to your network, and discards any suspicious items. Firewalls are available in many varieties, both software and hardware. Some networks use a combination of both types.
●Use wireless encryption
Using a WLAN 15