Psk / None - Motorola WiNG 5 System Reference Manual

6 - 12 WiNG 5 Access Point System Reference Guide
• MAC authentication is somewhat poor as a standalone data protection technique, as MAC addresses can be
easily spoofed by hackers who can provision a MAC address on their device to mimic a trusted device.

6.1.2.3 PSK / None

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Configuring WLAN Security
Open-system authentication can be referred to as no authentication, since no actual authentication takes place.
When selecting PSK/None, a client requests (and is granted) authentication with no credential exchange.
NOTE: Although None implies no authentication, this option is also used when
pre-shared keys are used for encryption (thus the /PSK in the description).