Hi! Nicolas,
 
  Thanks for the response and clarificaiton.
 
  But I am still not clear how to "lock out" account after n-times of failed 
login.
 
  Are you saying there is no way to do it in current version of MIT kerberos?
 
  Ming
 
  

________________________________

From: Nicolas Williams [mailto:[EMAIL PROTECTED]
Sent: Mon 12/10/2007 6:58 PM
To: Douglas E. Engert
Cc: Yu, Ming; [email protected]
Subject: Re: Account lockout support in Solaris 10 when authenticating against 
Kerberos



On Mon, Dec 10, 2007 at 05:11:21PM -0600, Douglas E. Engert wrote:
> Yu, Ming wrote:
> >                Does anybody know how to implement account lockout
> > features on Solaris 10 when the user authenticates against Kerberos?
>
> See "man shadow".  /etc/passwd, NIS or LDAP can have *LK* to indicate
> it is locked. I think it is the pam_unix_account that checks for this.
> For a Kerberos account without a local password use something like NP
> for the password.

Right, but what the poster was asking, effectively, was how to make the
KDC lock out the user after N failed [pre-]authentication attempts.

The answer is that an MIT KDC with plain old db2 backend can't do it.
An MIT KDC with an LDAP backend could do it, but it doesn't yet.

The user should scrape logs on the KDC and lock accounts (principals)
accordingly.

Nico
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