Kerberos authetication against multiple Windows Domains

Earl, Kevan C Kevan.Earl at
Tue Mar 24 11:07:56 EDT 2009


I'm after some advice on how to configure Kerberos v5 to authenticate users from different Windows domains to the same Apache hosted application.  Is this possible?  If so, is there a simple guide on what needs to be done in order to achieve it that can be shared with me?

I have Kerberos v5 installed with a Kerberos-capable version of Apache on AIX 5.3.
I have had a keytab file generated in the Windows "EU" domain, and have configured the server so the application authenticates users from the "EU" domain.

/etc/krb5.conf is similar to:

        default_realm = EU.COMPANY.NET

        EU.COMPANY.NET = {
                kdc =
                admin_server =
                default_domain =

[domain_realm] = EU.COMPANY.NET = EU.COMPANY.NET
What do I need to do in order to also authenticate users from the companies "US" domain, which is controlled by separate domain controller(s), to the application?

Any help anyone can give me would be very greatfully received.

Kevan Earl

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