RE: NIS User account? or crypt issue?

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Date: Tue, 24 Aug 2004 11:24:32 -0500
To: "General Red Hat Linux discussion list" <redhat-list@redhat.com>

It looks like the biggest difference between the two is that
"timecard" is 8 characters and "motivation" is 10 characters.

It doesn't look like this is documented anywhere on Linux,
but here's an excerpt from "man passwd" on Irix:

 Each password must have at least six characters. Only the first
 eight characters are significant.

IIRC, this limitation is imposed by crypt() (MD5 allows for much
longer passwords).

-Steve

-----Original Message-----
From: redhat-list-bounces@redhat.com
[mailto:redhat-list-bounces@redhat.com] On Behalf Of Dege, Robert C.
Sent: Tuesday, August 24, 2004 9:58 AM
To: 'General Red Hat Linux discussion list'
Subject: RE: NIS User account? or crypt issue?

I have made some progress on my problem, however I don't feel any closer
to a solution than before!
I have been able to eliminate NIS as a possible problem. This seems to
be more of a authentication issue with login itself. Here's what I did:

*) first, I took the NIS entry (ypmatch user passwd) && placed it into
/etc/passwd.
*) shut off NIS. finger the username to verify that the local passwd
entry is valid.
*) I tried to login but was still getting password failures.

*) I then ran a crypt perl script & changed the encrypted passwd (passwd
is timecard)
*) I tried to login & was successful! I could login.

*) I ran the crypt perl script again & changed the encrypted passwd
(passwd is motivation)
*) I tried to login & failed with a password incorrect again.

# ./crypt.pl timecard
qiI5rFufWzRBQ

# ./crypt.pl motivation
ddo7t1js5n.pE

-Rob

> -----Original Message-----
> From: redhat-list-bounces@redhat.com
> [mailto:redhat-list-bounces@redhat.com]
> Sent: Tuesday, August 24, 2004 9:38 AM
> To: General Red Hat Linux discussion list
> Subject: RE: NIS User account
>
>
> can you "su - problematic_account" from root?
>
> > -----Original Message-----
> > From: Dege, Robert C. [mailto:robert.dege@ngc.com]
> > Sent: Mon, August 23, 2004 9:36 PM
> > To: RedHat List (E-mail)
> > Subject: NIS User account
> >
> >
> >
> > I am need of assistance. I have an NIS user account that can
> > logon to one
> > machine, but is unable to logon to another. Both NIS clients
> > share the
> > same NIS master, and are in the same domain.
> >
> > I ran a ypmatch against the user, and NIS entry is identical
> > from both
> > machines. A finger on the NIS account from both systems
> > shows identical
> > information, along with a valid shell.
> >
> > Upon failed authentication, /var/log/messages shows a
> > PASSWORD INCORRECT
> > message on system-2. I also tried over ssh & telnet, but
> to no avail.
> >
> > Both systems are redhat 7.2.
> >
> > -Rob
> >
> >
> >
> >
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• Previous message: kenwardc: "Apache errors?"
• Maybe in reply to: Dege, Robert C.: "RE: NIS User account? or crypt issue?"
• Next in thread: James Harrison: "RE: NIS User account? or crypt issue?"
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