LDAP authorization

Alan DeKok aland at deployingradius.com
Thu Mar 7 15:41:00 CET 2013


Matthew Ceroni wrote:
> I am using LDAP authorization. What I am looking to accomplish is to
> reject/deny (so not even attempt authentication) for disabled users.
> 
> I am authentication against AD (use LDAP for authorize and ntlm for
> authentication).
> 
> If I were to search for all none disabled users using ldapsearch, the
> filter query for this would
> be: !(userAccountControl:1.2.840.113556.1.4.803:=2)

  You can add this to the LDAP query which finds users.  That's why the
query is editable in the config files.

> That is the part that limits the results to only enabled users.
> Wondering how I would do this in FreeRadius? Even on a more general
> level how I would reject based off certain returned attributes.

  That's what ldap.attrmap is for.  Map the LDAP attributes to RADIUS
attributes.  Then, use unlang to write your policy.

  Alan DeKok.


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