$ grep -e guest /etc/pam.d/sshd 
auth sufficient pam_guest.so    guests=anoncvs nopass
## this is the first line of the configuration file.

So, it works with pam and without pam. Thanks :)



On Tue, 18 Apr 2006 10:17:20 -0700 (MST)
Eric Fox <eric@bsdsystems.com> wrote:

> Okay, ignore my previous suggestion to use an authrization key instead.
> 
> Just to make sure we've got the sequence of events straight:
> 
> - You edited the password field via vipw.
> - You modifed the sshd_config file, setting PermitEmptyPasswords to yes.
> - You restarted sshd.
> - Users still cannot login to the anoncvs account via ssh?
> 
> ---
>   /\---/\  Eric J Fox
>  /  o o  \ Small Business Computer Support
>  \.\   /./ in the Phoenix Metropolitan Area
>     \@/    http://www.bsdsystems.com/support/
> 
> 
> 
> On Tue, 18 Apr 2006, pancake wrote:
> 
> > I know that I need to use pwd_mkdb or vipw to change the master.passwd, that what I do.
> >
> > So, I want to setup an 'anoncvs' account thru ssh without password. So, sharing the key is not a good
> > solution imho, btw it remains without working.
> >
> > --pancake
> >
> > On Tue, 18 Apr 2006 09:48:38 -0700 (PDT)
> > "Jeremy C. Reed" <reed@reedmedia.net> wrote:
> >
> > > On Tue, 18 Apr 2006, Jeremy C. Reed wrote:
> > >
> > > > > I've modified the master.passwd emptying the password field and
> > > > > configured sshd properly, but seems that all the time asks for password.
> > > >
> > > > Have a look at /etc/ssh/sshd_config and the sshd_config(5) manual page
> > > > for "PermitEmptyPasswords".
> > >
> > > I looked at your email again. You said "configured sshd properly" but
> > > didn't mention what you did.
> > >
> > > sshd never looks at the master.passwd directly. It uses getpwent(3)
> > > functions which use /etc/spwd.db or /etc/pwd.db hashes instead.
> > > So if you edit the master.passwd directly, your changes may not be
> > > reflected in the real files.
> > >
> > > See vipw and pwd_mkdb man pages for more details.
> > >
> > >  Jeremy C. Reed
> > >
> > > echo ':6DB6=88>?;@69876tA=AC8BB5tA6487><' | tr '4-F' 'wu rofIn.lkigemca'
> >