Virtual Private Networks
To absolutely defended wireless connections, abounding companies crave the use of VPN software on each
user accessory to encrypt all communications amid the user accessory and the alien system. The
use of VPN software is abnormally important back users are communicating over accessible wireless
LANs. Accessible Wi-Fi hotspots, for instance, do not apparatus any encryption over the wireless
portion of the network. The VPN charge assure abstracts traffic.
In fact, some companies amusement all wireless users as admitting they are operating from a public
network—even those users who are central the company’s building. In this case, the wireless LAN
access credibility affix to a administration arrangement that avalanche alfresco the firewall. This approach,
however, ability crave an abstract cardinal of VPN connections, which can be cher to deploy
and support. For centralized communications, it is accessible to absolutely defended wireless users through the
use of Layer 2 mechanisms.