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Old 08-10-2011, 08:06 AM   #1
Registered: May 2011
Posts: 41

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SSH to use CHAP


I try to authenticate ssh users via PAM using FreeRadius. Is it possible to use CHAP for the authentication between radius server and radius client?

SSH client -> SSH server <- PAM -> Radius Client <- CHAP-> Radius Server

For example, if I specify in radius server to use CHAP auth-type for a particular user, e.g. in users file:
sshuser Auth-type := Chap, Cleartext-Password := "xxx"
When I use an SSH client to login, the following error is shown in radius server.
[chap] rlm_chap: Attribute "CHAP-Password" is required for authentication.
So is there a way to actually specify the CHAP-Password in radius client so that it can be authenticated via CHAP? If yes, which file I should modify?

Thanks a lot!!!


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