LDAP query filtering by group

If we are integrating applications on an LDAP (in our case on a OpenLDAP), we have probably seen the utility to obtain the users belonging to one group even LDAP query, because we want to integrate the application supports only a single query.

Also if we documentation on this subject we have found stuff like, “for users belonging to the group grp_test run the query”.

Source   
memberOf=cn=grp_test,ou=Groups,dc=zentyal

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Apache LDAP authentication

The most basic authentication can be configured on a Apache is access by file, but in this post we will see how to configure Apache to authenticate users against an LDAP.

The advantages are obvious, we can use a centralized authentication LDAP directory, either to validate us in applications or to access the web services of the company.

For the examples we have used a Ubuntu 12.04 and Apache 2.2, the first thing we have to do is install the necessary Apache modules and activate them:

Source   
sudo aptitude install libapache2-mod-ldap-userdir
sudo a2enmod authnz_ldap

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