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RH 7.0 + SSH 2.4 + DecNIS

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Dmitry Vjushin

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Aug 13, 2001, 6:41:02 AM8/13/01

Hi, All !

I'm running RH7.0 and SSH 2.4 on XP900.
I have a NIS server on another alpha with Digital Unix 4.0D.
The problem is that NIS users can not get authorization on XP900
using SSH, but other stuff, like rlogin and telnet, works well.
Exactly the same configuration (pam files, pwbd.conf & SSH2) works
fine on RH6.2. The trouble is somewhere in password verification,
namely in PAM. The hostbased authorization works perfectly.
Gurus, could you please point me to the PAM tunings that I have
to change, if I'm right.

I'm looking forward for your answers,
Thanks in advance,
Dmitry

Dean Thompson

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Aug 13, 2001, 7:38:59 AM8/13/01

to vju...@ory.ph.biu.ac.il

Hi!,

> I'm running RH7.0 and SSH 2.4 on XP900.
> I have a NIS server on another alpha with Digital Unix 4.0D.
> The problem is that NIS users can not get authorization on XP900
> using SSH, but other stuff, like rlogin and telnet, works well.
> Exactly the same configuration (pam files, pwbd.conf & SSH2) works
> fine on RH6.2. The trouble is somewhere in password verification,
> namely in PAM. The hostbased authorization works perfectly.
> Gurus, could you please point me to the PAM tunings that I have
> to change, if I'm right.

Check your password hashing algorithms carefully. Remember that RH normally
uses MD5 hasing algorithms as DU is probably using the standard crypt method
of doing passwords, hence making the password system between the two
incompatible. You might have to downgrade your password support on Linux to
the standard "crypt" approach rather than MD5 passwords.

See ya

Dean Thompson

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