[lug] Password problem (post RH7.2 upgrade)
Hugh Brown
hugh at vecna.com
Mon Nov 19 11:32:45 MST 2001
The response is still the same. It sounds like MD5 passwords got turned
off somehow.
pam is the place to go looking.
Hugh
On Mon, 2001-11-19 at 13:18, Anders Knudsen wrote:
> My problems is not that I can't log in...I infact CAN log into the machine
> as root, or any other user.
> The problem is that only the first 8 characters of any password used are
> accepted.
>
> example.
> If user root password is abcdefghijklmnop
>
> then if you log in as root, and enter the password as it was created, you
> get denied.
> if you log in as root and enter abcdefgh, it accepts the password and
> you're logged in.
>
> So my question again, if anyone reading this knows, why does it "clip" the
> passwords now?
>
> thanks,
> -Anders.
>
> >It sounds like you had MD5 passwords before, and either turned off MD5
> >passwords, or are missing PAM modules needed for MD5. Probably you
> >should boot up with a rescue mode floppy or CD, and do a chroot to the
> >mount point of the mounted hard drive with root partition. Then you can
> >run passwd. A sample of a good rescue floppy:
> >http://www.toms.net/rb/home.html
>
> >D. Stimits, stimits at idcomm.com
>
> >Anders Knudsen wrote:
> >>
> >> Just upgraded my RH7.0 system to 7.2.
> >>
> >> After the upgrade, my root password did not work! :O
> >> Some time digging caused me to find out that now, all passwords on the
> >> system are truncated to 8 characters!
> >> If I typed the full password, which is longer than 8 chars, no joy.
> >> Type in the first 8 chars of the password, we have login!
> >> If I try changing passwd, to something longer than 8, then still can only
> >> use first 8 chars to login.
> >> So...my question...
> >> How/Why did this happen?
> >> What can I do to mitigate?
> >> I was unable to find any documentation, be that FAQ or manpage, that
> >> explained how to limit the maximum length of a password (unlike minimum,
> >> which is easy to adjust.)
> >>
> >> Any and all advice greatly appreciated.
>
> _______________________________________________
> Web Page: http://lug.boulder.co.us
> Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
--
------------------------------------
System Administrator/Unix Consultant
hugh at vecna.com
Vecna Technologies, Inc
6525 Belcrest Rd, Suite 612
Hyattsville MD, 20782
301.864.7253
http://www.vecna.com
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