OSEC

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From: Anthony Schneider (aschneidmail.slc.edu)
Date: Sun Apr 07 2002 - 12:35:37 CDT

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    >
    > NIS is a security issue, cause it sends the passwords file trough the network, and any user can sniff it or get it by 'ypcat passwd'. So i would suggest a combination of NIS and RADIUS. NIS takes care of the home directories and users, and RADIUS would authenticate the users. We use it at the University of Gent in our little basement for 6 pc's and 50 users ...
    >
    'ypcat passwd' does not show passwords...(it shows the usual /etc/passwd style '*'
    in field 2). I believe, however, that if you have an improperly permed
    master.passwd in your /var/yp directory that that can be read by 'ypcat
    master.passwd', but i've never tried it.

    on a private, small LAN, NIS can be okay, but you're right, passwords are passed
    in plaintext across the network. I'd say use Kerberos, OpenLDAP or perhaps even
    NIS+ (although, i know little about NIS+, but what i do know is that security-wise
    it's a good bit higher on thew ladder than NIS).
    -Anthony.

    -Anthony.

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