In real world deployment, LDAP and Kerbero are often combined for authentication and authorization. The link below is a well documented howto: https://help.ubuntu.com/community/SingleSignOn Thanks, Sunday Olutayo ----- Original Message ----- From: "Craig Ringer" <ringerc@xxxxxxxxxxxxx> To: "SUNDAY A. OLUTAYO" <olutayo@xxxxxxxxxx> Cc: "Jeremy Palmer" <JPalmer@xxxxxxxxxxxx>, pgsql-general@xxxxxxxxxxxxxx Sent: Friday, August 24, 2012 12:48:01 PM Subject: Re: Windows SIngle Sign On - LINUX Server On 08/24/2012 06:10 PM, SUNDAY A. OLUTAYO wrote: > LDAP will be your best choice for SSO, Ubuntu Linux can authenticate against AD. I'm not at all convinced by that. Active Directory functions as a Kerberos KDC. Kerberos provides secure authentication and (unlike LDAP) single sign-on. http://technet.microsoft.com/en-us/library/bb742516.aspx Use Kerberos via GSSAPI. Here's a good starting point by Marcus: http://www.hagander.net/talks/Deploying%20PostgreSQL%20in%20a%20Windows%20Enterprise.pdf -- Craig Ringer -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general