This study investigates the role of the client isolation technology PublicSecure Packet Forwarding (PSPF) in defending 802.11 wireless (Wi-Fi) clients,connected to a public wireless access point, from Address Resolution Protocol(ARP)cache poisoning attacks, or ARP spoofing. Exploitation of wireless attackvectors such as these have been on the rise and some have made national andinternational news. Although client isolation technologies are common place inmost wireless access points, they are rarely enabled by default. Since anaverage user generally has a limited understanding of IP networking concepts,it is rarely enabled during access point configurations. Isolating wirelessclients from one another on unencrypted wireless networks is a simple andpotentially effective way of protection. The purpose of this research is todetermine if a commonly available and easily implementable wireless clientisolation security technology, such as PSPF, is an effective method fordefending wireless clients against attacks.
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