A mechanism is proposed to protect mesh networks from Extensible Authentication Protocol over Local Area Network (EAPOL) attacks in following ways. A Field Network Director (FND) synchronizes a whitelist table to a mesh node periodically, allowing to the mesh node to filter EAPOL messages based on the whitelist table. Further, a supplicant can sign EAPOL messages with its private key, and then a relay node can filter the EAPOL messages base on the signature.
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Xia, Yajun; Zhang, Lele; Li, Chuanwei; and Zhao, Li, "MECHANISM TO PROTECT FIELD AREA NETWORKS FROM EAPOL ATTACK", Technical Disclosure Commons, (July 27, 2020)