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Topic: Extensible Authentication Protocol

	EAP, Extensible Authentication Protocol (Site not responding. Last check: 2007-10-13)
		These authentication protocols are intended for use primarily by hosts and routers that connect to a PPP network server via switched circuits or dial-up lines, but might be applied to dedicated links as well.
		The authenticator specifies the authentication protocol to be used in the Configure-Request during the Link Establishment phase.
		In the case where the authenticator operates in pass-through mode, the EAP server is located on the backend authentication server.
	www.networksorcery.com /enp/protocol/eap.htm (579 words)

	[No title]
		The (public-key) authentication of the authenticator and the negotiation of the session key is done using the PPP EAP Transport Layer Security (TLS) Authentication Protocol [1].
		This concludes the TLS handshake phase and the authentication of the authenticator.
		In a WLAN environment, the "Authenticator" is the AP, and the "Peer" is a STA.
	ietfreport.isoc.org /all-ids/draft-josefsson-pppext-eap-tls-eap-01.txt (3342 words)

	RFC 3748 - Extensible Authentication Protocol (EAP)
		The authenticator's decision typically involves both authentication and authorization aspects; the peer may successfully authenticate to the authenticator, but access may be denied by the authenticator due to policy reasons.
		It forwards EAP packets received from the peer and destined to its authenticator layer to the backend authentication server; packets received from the backend authentication server destined to the peer are forwarded to it.
		EAP methods may support result indications, enabling the peer to indicate to the EAP server within the method that it successfully authenticated the EAP server, as well as for the server to indicate that it has authenticated the peer.
	www.packetizer.com /rfc/rfc3748 (17405 words)

	The Point-to-Point Protocol (PPP)
		EAP does require the addition of a new authentication type to LCP and thus PPP implementations will need to be modified to use it.
		It is suggested that the authenticator retry the Indentity Request in the case of an invalid Identity or authentication failure to allow for potential typos on the part of the user.
		The Notification Request MAY be used to indicate an invalid authentication attempt prior to transmitting a new Identity Request (optionally, the failure MAY be indicated within the message of the new Identity Request itself).
	xml.resource.org /public/rfc/xml/rfc2284.xml (2769 words)

	EAP: PPP Extensible Authentication Protocol Overview (RFC 2284)
		The PPP Extensible Authentication Protocol (EAP) is for PPP authentication.
		However, EAP does require the addition of a new authentication type to LCP and thus PPP implementations will need to be modified to use it.
		One PPP EAP packet is encapsulated in the Information field of a PPP Data Link Layer frame where the protocol field indicates type hex C227 (PPP EAP).
	www.networkdictionary.com /protocols/eap.php (448 words)

	RFC 4017 - Extensible Authentication Protocol (EAP) Method Requirements for Wireless LANs
		An EAP authentication method that satisfies all the MUST, MUST NOT, SHOULD, and SHOULD NOT requirements is said to be "unconditionally compliant"; one that satisfies all the MUST and MUST NOT requirements but not all the SHOULD or SHOULD NOT requirements is said to be "conditionally compliant".
		Both parties must be able to distinguish this instance of the protocol from all other instances of the protocol, and they must share the same view regarding which state attributes are public and which are private to the two parties alone.
		Authentication, Authorization, and Accounting (AAA) protocols such as RADIUS [RFC2865][RFC3579] may be used to enable authorization of EAP peers by a central authority.
	www.packetizer.com /rfc/rfc.cgi?num=4017 (2290 words)

	EAP (Extensible Authentication Protocol) (Linktionary term)
		EAP is discussed in RFC 2284 (PPP Extensible Authentication Protocol, March 1998).
		What EAP does is open up the possibilities to use a range of new authentication protocols, including token cards, one-time passwords, and biometric techniques.
		EAPOE (Extensible Authentication Protocol Over Ethernet) is an IEEE development that extends the benefits of EAP to LANs, including the ability to authenticate users with a variety of protocols.
	www.linktionary.com /e/eap.html (269 words)

	Extensible Authentication Protocol Overview
		With EAP, the specific authentication mechanism is not chosen during the link establishment phase of the PPP connection; instead, the PPP peers negotiate to perform EAP during the connection authentication phase.
		When the connection authentication phase is reached, the peers negotiate the use of a specific EAP authentication scheme known as an EAP method.
		EAP is extensible through EAP methods that plug-in at both the EAP peer and authenticating server ends of a connection.
	www.microsoft.com /technet/prodtechnol/winxppro/evaluate/eap.mspx (1459 words)

	Configuring a VPN to Use Extensible Authentication Protocol (EAP) (Site not responding. Last check: 2007-10-13)
		EAP can be used to provide an added layer of security to VPN technologies such as Point-to-Point Tunneling Protocol (PPTP) and Layer 2 Tunneling Protocol (L2TP).
		EAP enables this functionality through Certificate Authority (CA) and SmartCard technologies, which provide mutual authentication of the client and the server.
		To use EAP with a VPN, the server must be configured to accept EAP authentication as a valid authentication method and it must have a user certificate (X.509).
	support.microsoft.com /?kbid=259880 (620 words)

	acticom.biz: Extensible Authentication Protocol
		EAP derivates of these authentication mechanisms have been standardized.
		For authentication within Wireless LAN based access networks, an EAP authentication method must be chosen that fulfills all requirements of the future IEEE802.11i Enhanced Security standard.
		These protocols should not be deployed by network operators for client authentication in wireless environments.
	www.acticom.biz /eap.html (409 words)

	Extensible Authentication Protocol - Wikipedia, the free encyclopedia
		Extensible Authentication Protocol, or EAP, is a universal authentication framework frequently used in wireless networks and Point-to-Point connections.
		The protocol has been known from the beginning to be vulnerable to dictionary attacks just like EAP-MD5 but it wasn't until the release of ASLEAP by Joshua Wright in 2003 that people began to argue that LEAP was a serious security liability.
		EAP for UMTS Authentication and Key Agreement is used for authentication and session key distribution using the Universal Mobile Telecommunications System (UMTS) UMTS Subscriber Identity Module (USIM).
	en.wikipedia.org /wiki/Extensible_Authentication_Protocol (1913 words)

	Roxen Community: RFC 2284 PPP Extensible Authentication Protocol (EAP) (Standards Track) (Site not responding. Last check: 2007-10-13)
		The MD5-Challenge Type is analagous to the PPP CHAP protocol [3] (with MD5 as the specified algorithm).
		The PPP Challenge Handshake Authentication Protocol RFC [3] should be referred to for further implementation specifics.
		This protocol derives much of its inspiration from Dave Carrel's AHA draft as well as the PPP CHAP protocol [3].
	community.roxen.com /developers/idocs/rfc/rfc2284.html (3049 words)

	Wi-Fi Alliance - Search Results - www.wi-fi.org (Site not responding. Last check: 2007-10-13)
		EAP protocol types are used in the 802.1X-based authentication in WPA-Enterprise and WPA2-Enterprise.
		Extensible Authentication Protocol, an authentication mechanism used to validate the identity of network devices.
		The Extended EAP program for WPA- and WPA2- Enterprise is a response to the current authentication landscape and offers IT managers greater interoperability and more vendor choice.
	www.wi-fi.org /OpenSection/eap.asp (923 words)

	What is EAP? - A Word Definition From the Webopedia Computer Dictionary
		Short for Extensible Authentication Protocol, an extension to PPP.
		EAP is a general protocol for authentication that also supports multiple authentication methods, such as token cards, Kerberos, one-time passwords, certificates, public key authentication and smart cards.
		In wireless communications using EAP, a user requests connection to a WLAN through an AP, which then requests the identity of the user and transmits that identity to an authentication server such as RADIUS.
	www.webopedia.com /TERM/E/EAP.html (185 words)

	Protected Extensible Authentication Protocol - Wikipedia, the free encyclopedia
		Protected Extensible Authentication Protocol, Protected EAP, or simply PEAP (pronounced "peep"), is a method to securely transmit authentication information, including passwords, over wired or wireless networks.
		PEAP uses only server-side public key certificates to authenticate clients by creating an encrypted SSL/TLS tunnel between the client and the authentication server, which protects the ensuing exchange of authentication information from casual inspection.
		The inner authentication protocol is Microsoft's Challenge Handshake Authentication Protocol.
	en.wikipedia.org /wiki/Protected_Extensible_Authentication_Protocol (752 words)

	HOW TO: Troubleshoot VPN with Extensible Authentication Protocol (EAP) Authentication
		This step-by-step article describes how to troubleshoot Extensible Authentication Protocol (EAP) authentication when you are using it with virtual private network (VPN) connections.
		Use an Enterprise Certification Authority (CA) to obtain certificates for EAP authentication.
		This is the strongest authentication method because it does not rely on passwords.
	support.microsoft.com /?id=326474 (550 words)

	EAP (Extensible Authentication Protocol) (Site not responding. Last check: 2007-10-13)
		EAP sits inside of PPP's authentication protocol and provides a generalized framework for several different authentication methods.
		EAP is supposed to head off proprietary authentication systems and let everything from passwords to challenge-response tokens and public-key infrastructure certificates all work smoothly.
		By supporting EAP authentication a RAS server gets out of the business of acting as middle man, and just packages and repackages EAP packets to hand off to a RADIUS server that will do the actual authentication.
	www.networkworld.com /details/490.html (717 words)

	Extensible Authentication Protocol
		The Extensible Authentication Protocol (EAP) is an Internet Engineering Task Force (IETF) standard (RFC 3478) that provides an infrastructure for network access clients and authentication servers to host plug-in modules for current and future authentication methods.
		Microsoft Windows uses EAP to authenticate Point-to-Point Protocol (PPP)-based connections (such as dial-up, virtual private network remote access, and site-to-site connections) and for IEEE 802.1X-based network access to authenticating Ethernet switches and wireless access points (APs).
		Use the EAP API in the Windows Platform SDK to develop and install your EAP type for computers running Windows XP, Windows Server 2003, or Windows 2000.
	www.microsoft.com /technet/network/eap/default.mspx (367 words)

	Extensible Authentication Protocol (eap) Charter
		While the EAP WG is not currently chartered to standardize EAP
		Extensible Authentication Protocol (EAP) (RFC 3748) (157994 bytes)
		State Machines for Extensible Authentication Protocol (EAP) Peer and Authenticator (RFC 4137) (105781 bytes)
	www.ietf.org /html.charters/eap-charter.html (209 words)

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