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EAPOL Start Attack
WiFi Manager raises this alarm when it sees a wireless client sending too many EAPOL start packets.
What is EAP ?
EAP stands for Extensible Authentication Protocol. It is a general protocol for authentication more commonly used in wireless networks and Point-to-Point connections. It supports multiple authentication methods such as EAP-MD5, EAP-TLS, EAP-SIM, EAP-TTLS, LEAP, PEAP.
What is this EAPOL Attack ?
EAP authentication starts with a EAPOL-start frame, which is sent by the wireless client to the Access point. Upon reception of such a frame the Access point responds back to the wireless client with an EAP-Identify-Request and also does some internal resource allocation. Attackers use this vulnerability, they send a lot of EAPOL-start frame to the Access point either by spoofing the MAC address or by emulating wireless clients, forcing the Access point to allocate more and more resource and there by bringing it down.