Null passwords
Sean Estabrooks
seanlkml at sympatico.ca
Sat Jun 12 03:48:53 UTC 2004
On Sat, 12 Jun 2004 11:10:31 +0800
Chris Kloiber <ckloiber at ckloiber.com> wrote:
> On Fri, 2004-06-11 at 13:07 -0700, David Maier wrote:
> > I'm running an FC2 system on which I don't care about password
> > security. PAM is running. I've been all over the HOWTO's and manual and
> > cannot find how to enable null passwords for a user. I've tried putting
> > a nullok argument into stacks in the login, passwd, and system-auth PAM
> > services, to no avail, and have run out of ideas. Obviously I'm a newbie
> > trying to get a handle on where to even look.
> >
> > Thanks for your help.
> >
> > Dave Maier
>
> One way (and probably not the 'right' way) is to hand edit the shadow
> file and remove everything from within the first and second ":"
> characters (the password). I found that with nothing there it will just
> let you in.
>
> This:
>
> ckloiber:$1$bxh7kMGh$8txM010iQj8VM0/LZXihM1:12576:0:99999:7:::
>
> becomes:
>
> ckloiber::12576:0:99999:7:::
>
> But for $DIETY sake, please don't put that machine on the internet. Even
> via dialup. You're asking for trouble.
>
Easier way to accomplish the same thing is to use the passwd command
to remove the password for a user, as root:
# passwd -d <username>
Cheers,
Sean
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