Password Authentication Protocol: Difference between revisions

Revision as of 15:04, 31 August 2007

Revision as of 11:52, 5 September 2007

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PAP transmits unencrypted [[ASCII]] passwords over the network and is therefore considered insecure. It is used as a last resort when the remote server does not support a stronger authentication protocol, like [[Challenge-handshake authentication protocol|CHAP]] or [[Extensible_Authentication_Protocol|EAP]] (while the last is actually a framework).

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==Working cycle==

*Client sends username and password

*Server sends authentication-ack (if credentials are OK) or authentication-nak (otherwise)

==PAP Packets==