How do I solve ldap_start_tls() “Unable to start TLS: Connect error” in PHP?

Question

I\'m getting:

Warning: ldap_start_tls() [function.ldap-start-tls]: Unable to start TLS: Connect error in /var/www/X.php on line Y

Answer 1

1. In debian based systems:

   Install the package: ldap-utils and in the file /etc/ldap/ldap.conf, edit the line:

   TLS_CACERT /etc/ldap/cacerts/cacert.asc
   

   Create the directory /etc/ldap/cacerts and copy the cacert to /etc/ldap/cacerts/cacert.asc

   Restart apache.

2. In redhat based systems:

   Install the package: openldap-clients and in the file /etc/openldap/ldap.conf edit the line:

   TLS_CACERT /etc/openldap/cacerts/cacert.asc
   

   Create the directory /etc/openldap/cacerts and copy the cacert to /etc/openldap/cacerts/cacert.asc

   Restart httpd