Posts Tagged ‘WLAN’


In this series of blog posts, we will examine WLAN security mechanisms in an even greater detail than in our popular 5-Day CCNA Wireless course. We will begin with one that is now considered legacy due to major weaknesses that were quickly discovered in its implementation.

We Don't Need No Stinken' Wires!

We Don't Need No Stinken' Wires!

This security mechanism receives the least coverage in the CCNA Wireless materials and exam, because, as we stated, it is indeed considered legacy. The official title for this technology is Preshared Key Authentication with Wired Equivalent Privacy. This name tells us a lot. We are not really truly authenticating someone using this approach, we are just ensuring that they possess a piece of information, the preshared key (password). Notice the Wired Equivalent Privacy portion of the name tells us that the creators of the technology were really trying to sell it to WLAN designers and implementers!

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