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MartinKollar
Beginner

Web Radius Authentication CHAP vs MD5-CHAP

Hello,

What is the difference between CHAP and MD5-CHAP ?

It is the configuration under Controller general settings.

I'm trying to get rid of PAP, and I was also informed that CHAP itself already use MD5.

Is it any different here?

Thanks

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grabonlee
Enthusiast

CHAP is an authentication protocol that requires the authenticator and the authentication server to know the clear text shared secret. However the clear text secret isn't sent over the network. MD5 is a hashing algorithm that produces the hash of the shared secret  and the result is a 128 bit encryption  that is sent over the network. Before you use MD5, make sure your authentication server supports it.

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grabonlee
Enthusiast

CHAP is an authentication protocol that requires the authenticator and the authentication server to know the clear text shared secret. However the clear text secret isn't sent over the network. MD5 is a hashing algorithm that produces the hash of the shared secret  and the result is a 128 bit encryption  that is sent over the network. Before you use MD5, make sure your authentication server supports it.

View solution in original post

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