A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Protected EAP Protocol (PEAP)
Author(s) : S. Josefsson, A. Palekar, D. Simon, G. Zorn
Filename : draft-josefsson-pppext-eap-tls-eap-06.txt
Pages : 51
Date : 2003-3-25
The Extensible Authentication Protocol (EAP), defined in RFC 2284,
provides for support of multiple authentication methods. While EAP
was originally created for use with PPP, it has since been adopted
for use with IEEE 802.1X 'Network Port Authentication'.
Since its deployment, a number of weaknesses in EAP or some EAP
protocols have become apparent. These include no per packet
confidentiality and integrity protection; which results in lack of
protection to user identity, notification messages or EAP
negotiation; and sequencing of EAP methods. In addition, there is no
standardized mechanism for key exchange; no built-in support for
fragmentation and reassembly; no support for acknowledged
success/failure indications; and no support for fast reconnect.
In addition, some EAP protocols (e.g. like EAP-MD5) are susceptible
to dictionary and brute force attacks; do not provide
confidentiality; do not support server authentication required to
prevent spoofing by rogue servers (gateways), and do not support the
generation of key strength required for 802.11i.
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