How does chap secure a password for authentication

Challenge Handshake Authentication Protocol CHAP is a process of authenticating a user to a network entity, which may be any server, e. CHAP is primarily used for security purposes. Asked by: Issmail Kutumbaka technology and computing operating systems Is chap secure? Last Updated: 7th August, CHAP requires that both the client and server know the plaintext of the secret, although it is never sent over the network.

Sahel Meenenga Professional. Which is better chap or pap? Jospeh Faist Professional. Is PAP encrypted? PAP - Password Authentication. Madalina Medici Professional. Brahian Ufferheide Explainer. What is PPP authentication? Lilliam Hainisch Explainer. What is PAP Cisco? PAP is an authentication method that can be used over Point to Point links. This is a lab guide on Cisco's Packet tracer software about how to configure it between two routers. Marien Grimal Explainer.

What is PPP in networking? In computer networking , Point-to-Point Protocol PPP is a data link layer layer 2 communications protocol between two routers directly without any host or any other networking in between. It can provide connection authentication, transmission encryption, and compression. Isak Eizagirre Pundit. What does PEAP stand for? The Challenge-Handshake Authentication Protocol CHAP provides password authentication on initial link establishment, based on a three-way handshake mechanism.

It depends on a CHAP secret , known only to the authenticator and its peer, which is not transmitted over the link. When CHAP authentication is requested by one end of the link, it generates a challenge message that includes a challenge value , which is calculated from the CHAP secret. The other end must respond to the challenge message with a response value , which is calculated from the challenge value received, and the common secret. If it fails to respond, or if the response does not correspond to that expected by the authenticator, the link is closed.

Change Language. Related Articles. Table of Contents. Save Article. Improve Article. Like Article. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert.