locking out user accounts after 3 login failures...

2003-08-14 Thread Michael Carlson
My work requires mutliple user systems to automatically lock out a user
account after 3 login authentication failures. I am running 5.1 and I have
not seen anything like this in PAM or login.conf (though the is the
login-backoff option, but thats not exactly what I want).

Any way to do this?

Thanks
Mike C
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Re: locking out user accounts after 3 login failures...

2003-08-11 Thread Michael Carlson


On Wed, 6 Aug 2003, Chuck Swiger wrote:

 Michael Carlson wrote:
  My work requires mutliple user systems to automatically lock out a user
  account after 3 login authentication failures. I am running 5.1 and I have
  not seen anything like this in PAM or login.conf (though the is the
  login-backoff option, but thats not exactly what I want).

 Ugh.  Explain what denial of service means by asking your boss what happens if
 and when an annoyed employee enters the boss'es username and locks him out?

I do not disagree, unfortunately this requirement is in a ancient DOE
document, and they seem to hate change.


 It's reasonable to want to improve the security of reusable passwords, but
 that's the wrong approach.  Your boss should consider biometrics or smart cards
 (SecurID)...

I am looking into this as well, as we have a SecurID ACE server (running
on windows, another black mark) but it is unfamiliar territory to me.

 --
 -Chuck



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Re: locking out user accounts after 3 login failures...

2003-08-07 Thread Chuck Swiger
Michael Carlson wrote:
My work requires mutliple user systems to automatically lock out a user
account after 3 login authentication failures. I am running 5.1 and I have
not seen anything like this in PAM or login.conf (though the is the
login-backoff option, but thats not exactly what I want).
Ugh.  Explain what denial of service means by asking your boss what happens if 
and when an annoyed employee enters the boss'es username and locks him out?

It's reasonable to want to improve the security of reusable passwords, but 
that's the wrong approach.  Your boss should consider biometrics or smart cards 
(SecurID)...

--
-Chuck
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