PAM_LDAP and NSS_LDAP Post: 302506905

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Operating Systems AIX PAM_LDAP and NSS_LDAP Post 302506905 by zaxxon on Tuesday 22nd of March 2011 08:26:23 AM

03-22-2011

Registered User

PAM_LDAP and NSS_LDAP

Hi,

we are using "LDAP for AIX" for about 1-2 years now with a Novell eDirectory as LDAP server. Problem is, that we need PAM authentication to have Informix DBs working together with LDAP, as the Informix support told us.
This would require to use a PAM module for LDAP, like PAM_LDAP from padl.com, together with NSS_LDAP.
I checked out different info I found via Google, but it seems that people are not using it or are not able to compile it. We tried it 3-4 years ago too and failed too. I have also found some compilation documentation in an IBM Redbook about Security in 5.2 (don't remember if I had this way back).
From a comment on padl.com (Documentation about how to compile NSS_LDAP) it seems, that IBM will not support a solution using those modules.

So my questions are:

Is anybody of you using Informix on AIX together with LDAP? Ie. not using local accounts to supply credentials to Informix.
Is anybody using PAM_LDAP/NSS_LDAP on AIX 5.3 or higher, instead or along IBM's "LDAP for AIX" (secldapclntd, ...)?

Thanks in forward.

zaxxon

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pam_ldap

pam_ldap(8)						      System Manager's Manual						       pam_ldap(8)

NAME

       pam_ldap - PAM module for LDAP-based authentication

SYNOPSIS

       pam_ldap.so [...]

DESCRIPTION

       This is a PAM module that uses an LDAP server to verify user access rights and credentials.

OPTIONS

       use_first_pass
	      Specifies that the PAM module should use the first password provided in the authentication stack and not prompt the user for a pass-
	      word.

       try_first_pass
	      Specifies that the PAM module should use the first password provided in the authentication stack and if that fails prompt  the  user
	      for a password.

       nullok Specifying this option allows users to log in with a blank password.  Normally logins without a password are denied.

       ignore_unknown_user
	      Specifies  that  the  PAM module should return PAM_IGNORE for users that are not present in the LDAP directory.  This causes the PAM
	      framework to ignore this module.

       ignore_authinfo_unavail
	      Specifies that the PAM module should return PAM_IGNORE if it cannot contact the LDAP server.  This causes the PAM framework  to  ig-
	      nore this module.

       no_warn
	      Specifies that warning messages should not be propagated to the PAM application.

       use_authtok
	      This  causes the PAM module to use the earlier provided password when changing the password. The module will not prompt the user for
	      a new password (it is analogous to use_first_pass).

       debug  This option causes the PAM module to log debugging information to syslog(3).

       minimum_uid=UID
	      This option causes the PAM module to ignore the user if the user id is lower than the specified value. This can be  used	to  bypass
	      LDAP checks for system users (e.g. by setting it to 1000).

MODULE SERVICES PROVIDED

       All services are provided by this module but currently sessions changes are not implemented in the nslcd daemon.

FILES

       /etc/pam.conf
	      the main PAM configuration file

       /etc/nslcd.conf
	      The configuration file for the nslcd daemon (see nslcd.conf(5))

SEE ALSO

       pam.conf(5), nslcd(8), nslcd.conf(5)

AUTHOR

       This manual was written by Arthur de Jong <arthur@arthurdejong.org>.

Version 0.8.10							     Jun 2012							       pam_ldap(8)