Date: Fri, 18 Mar 2011 11:02:57 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: freebsd-questions@freebsd.org Subject: Re: User authentication on Linux with FreeBSD OpenLDAP backend fails: pam_ldap: error trying to bind as user/Failed password for Message-ID: <20110318160257.GD44561@dan.emsphone.com> In-Reply-To: <4D833D3C.7080804@zedat.fu-berlin.de> References: <4D833D3C.7080804@zedat.fu-berlin.de>
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In the last episode (Mar 18), O. Hartmann said: > I try to use a FreeBSD OpenLDAP (FreeBSD 8.2-STABLE/amd64, most recent > OpenLDAP/openldap-sasl-server-2.4.24) as an authentication backend for an > UBUNTU 10.10 server (using openldap 2.4.23). > > Most of the installation on the Ubuntu server has been successfully done > (I'm not familiar with Linux, but it seems that things like pam and ldap > are quite similar to FreeBSD's installation). > > From the Linux/Ubuntu server, I'm able to get all users and groups via > 'getent passwd' and 'getent group', even 'id' on an OpenLDAP backed up > user is successfully. > > But when it comes to a login via sshd, login fails with this error > (loged on Linux Ubuntu in /var/log/auth.log): > > Mar 18 12:01:00 freyja sshd[26824]: Failed password for testuser from 192.168.0.128 port 40734 ssh2 > Mar 18 12:01:23 freyja sshd[26854]: pam_ldap: error trying to bind as user "uid=testuser,ou=users,dc=geoinf,dc=freyja,dc=com" (Confidentiality required) "Confidentiality required" means that the server is refusing to authenticate over a non-encrypted connection. Try switching pam_ldap to ldaps (in your pam ldap.conf, either change your "uri" lines to ldaps:// or add the line "ssl on") and see if that works. -- Dan Nelson dnelson@allantgroup.com
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