Answers:
CHAP (Challenge-Handshake Authentication Protocol) is a more immobilize procedure for connecting to a system than the Password Authentication Procedure (PAP). Here's how CHAP works:
After the association is made, the server sends a dare message to the nouns requestor. The requestor responds near a convenience obtain by using a one-way hash function.
The server checks the response by comparing it its own computation of the expected hash meaning.
If the values contest, the authentication is acknowledged; otherwise theconnection is usually terminated.
At any time, the server can request the connected do to transport a bright stand up against message. Because CHAP identifiers are changed frequently and because authentication can be requested by the server at any time, CHAP provides more wellbeing than PAP. RFC1334 define both CHAP and PAP.
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