Re: Gettring Started

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Terry Orgill wrote:

The requirement is that after 3 unsuccessful attempts to login, the user is
locked out for fifteen minutes before new attempts are allowed.  I think PAM
provides for the lockout, but not the fifteen minutes.  I was going to setup
a crontab script to run every fifteen minutes and unlock anyone that is
locked.  That will suffice.  What am I doing wrong that the user is not
locked out after 3 attempts?
----- Original Message -----
From: "Jason Gerfen" <jason.gerfen@xxxxxxxxxxxx>
To: "Terry Orgill" <terry@xxxxxxxxxxx>; "Pluggable Authentication Modules"
<pam-list@xxxxxxxxxx>
Sent: Thursday, September 23, 2004 11:20 AM
Subject: Re: Gettring Started




Always reply to ALL...

also is the below a typo?

Terry Orgill wrote:



I may not have a clue about PAM, but it would seem that for the functions


I


need, the files I need to modify in pam.d are login and passwd. I have


no


need for the functionality in ftp, etc.  What I have currently in login:

auth required /lib/security/pam_securetty.so
auth required /lib/security/pam_nologin
auth required /lib/security/pam_tally.so deny=3 reset
auth required /lib/security/pam_stack.so


service=system-auth




service=system.auth? should be system-auth correct?



account required /lib/security/pam_stack.so service=system.auth
account required /lib/security/pam_tally.so deny=3 reset
password required /lib/security/pam_stack.so service=system-auth
password required /lib/security/pam_tally.so deny=3 reset


try this...
other than that i have no other suggestions, any references to other people using it have turned up the following line


password    required    /lib/security/pam_tally.so no_magic_root deny=3 reset

session        required    /lib/security/pam_stack.so service=system-auth
session        required    /lib/security/pam_console.so

I may be out in left field with this. The one thing is seemed obvious I
needed was pam_tally.so deny=3 reset. Everything else was a mixture of
whatever was already in there and experimentation. With the above
configuration I can make 4 attempts before it disconnects the telnet
session, but then I can go right back in, use the correct password and


get


in.

passwd:

auth            required      /lib/security/pam_pwdb.so shadow nullok
account        required    /lib/security/pam_pwdb.so
password    required    /lib/security/pam_cracklib.so minlen=6 retry=3
password    required    /lib/security/pam_pwdb.so use_authtok nullok md5
shadow





the minlen=6 should work like you need, however you are stating that
after less than a minute or 3 bad attempts you may still login correct?



This configuration does hold me to a minimum of 6 characters, but I can
reuse passwords.
----- Original Message -----
From: "Jason Gerfen" <jason.gerfen@xxxxxxxxxxxx>
To: "Terry Orgill" <terry@xxxxxxxxxxx>; "Pluggable Authentication


Modules"


<pam-list@xxxxxxxxxx>
Sent: Thursday, September 23, 2004 10:32 AM
Subject: Re: Gettring Started






Terry Orgill wrote:





I am urgently trying to get PAM working for a customer (RH 7.1, PAM
0.77) that is about to undergo a security audit.  I need password
expiration, minimum password length, no reuse of passwords, lockout of
users after three unsuccessful attempts to login, one session only for
users.  I have the one session part working
(/etc/security/limits.conf), but nothing else will.  I am using
pam_cracklib.so, pam_pwdb.so for the password part.  I am using
pam_tally.so for the login part.  It just ignores me.  I did manage to
get a user locked out by substituting pam.conf for pam.d, but then I
could not get the user unlocked.  If I run pam_tally --user<username>
it always returns a 0 for unsuccessful attempts no matter how many
there are.  I know this stuff must work, but I am having a hell of a
time figuring it out.  HELP!



------------------------------------------------------------------------


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Pam-list@xxxxxxxxxx
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Could you include the list of services you are needing to setup these
specifications for (i.e. ftp, login, etc.)

Also send the current configuration setup in your pam.d/ directory for
each of the services you need to use PAM for?

--
Jason Gerfen

"And remember... If the ladies
don't find you handsome, they
should at least find you handy..."
           ~The Red Green show







--
Jason Gerfen
Student Computing
Marriott Library
801.585.9810
jason.gerfen@xxxxxxxxxxxx

"And remember... If the ladies
don't find you handsome, they
should at least find you handy..."
~The Red Green show







--
Jason Gerfen
Student Computing
Marriott Library
801.585.9810
jason.gerfen@xxxxxxxxxxxx

"And remember... If the ladies
don't find you handsome, they
should at least find you handy..."
            ~The Red Green show


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