Ovation Software OVATION Instrukcja Użytkownika Pobierz pdf (Strona 39)

Wireless Security Settings

WiFi Protected Access (WPAPSK)

This type of encryption helps protect your network from unauthorized access

and eavesdroppers. Like WEP, an encryption key scrambles the data between

your computers and your Ovation. Like WEP SharedKey, computers must

authenticate with your Ovation to join the network. This is where the similarities

end.

With WEP the encryption key is static – it stays the same until you change it.

With WPAPSK, you enter a single passphrase once on your Ovation and then

again on each computer you want to connect to your network. Then the WPA

Temporal Key Integrity Protocol (TKIP) takes over.

TKIP mathematically derives encryption keys based on your initial passphrase.

Keys are automatically changed, rotated and authenticated among devices in

your network. The same key is never used twice. WPAPSK is sometimes

referred to as extrastrength encryption.

What are the drawbacks?

To use WPAPSK on your network, every device you connect to your network

must support WPA. Older devices – those manufactured before August 2003 –

might not support this new standard. Check with your manufacturer to see if a

software upgrade is available.

Setting up WPAPSK on your Ovation

Your WPAPSK passphrase can contain between 8 and 63 characters. It can

contain special characters and spaces. Ideally, a passphrase should consist of 20

characters, be a mixture of uppercase and lowercase letters, and contain

numbers and punctuation marks.

Since your passphrase provides the starting point for the rekeying process, using

a passphrase that is difficult to crack strengthens your network security.

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Ovation Software OVATION Instrukcja Użytkownika Strona 39