hi, i think you must to do this from: "Red Hat / Configuración del sistema / Autenticación" this made change ldap.conf (and maybe pam.conf) i think this a good step to start :) Salu2!!! <div>2007/4/12, Nick Owen <<a href="mailto:nowen@wikidsystems.com">nowen@wikidsystems.com</a>>:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Nilesh Patel wrote: > Hello !!!, > > Can any one please give me configuration steps of PAM for Linux (RHEL4) > user authentication through LDAP (Light weight directory access protocol). > > Thanks in advance, > > Nilesh. Nilesh: Here is a copy of an /etc/pam.d/sshd file that I used for testing one-time passcodes through to our two-factor server. IIRC, it worked, buy YMMV. #%PAM-1.0 auth required /lib/security/pam_securetty.so auth required /lib/security/pam_nologin.so auth sufficient /lib/security/pam_ldap.so auth required /lib/security/pam_unix_auth.so use_first_pass account sufficient /lib/security/pam_ldap.so account required /lib/security/pam_unix_acct.so password required /lib/security/pam_cracklib.so password sufficient /lib/security/pam_ldap.so password required /lib/security/pam_unix_passwd.so use_first_pass md5 shadow session required /lib/security/pam_unix_session.so In addition to google, you will find info at the pdal website: <a href="http://www.padl.com">http://www.padl.com</a> HTH, nick Nick Owen WiKID Systems, Inc. 404.962.8983 <a href="http://www.wikidsystems.com">http://www.wikidsystems.com</a> Commercial/Open Source Two-Factor Authentication <a href="https://www.linkedin.com/in/nickowen"> https://www.linkedin.com/in/nickowen</a> _______________________________________________ Pam-list mailing list <a href="mailto:Pam-list@redhat.com">Pam-list@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/pam-list"> https://www.redhat.com/mailman/listinfo/pam-list</a> </blockquote></div> -- Salu2 ;)