RFC 4372 defines a standard RADIUS attribute (89), Chargeable User Identity (CUI), gives the motivation for its creation and specifies its use in RADIUS Access-Request, Access-Accept and Accounting-Request packets. Some authentication methods such as PEAP, EAP-TTLS, EAP-SIM and EAP-AKA can hide a user’s true identity from servers outside of the user’s home network. In these […]
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