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From "Anthony Winstanley (JIRA)" <>
Subject [jira] [Created] (DIRSTUDIO-1173) StartTLS fails when required by LDAP service
Date Thu, 01 Mar 2018 00:22:00 GMT
Anthony Winstanley created DIRSTUDIO-1173:

             Summary: StartTLS fails when required by LDAP service
                 Key: DIRSTUDIO-1173
             Project: Directory Studio
          Issue Type: Bug
    Affects Versions: 2.0.0-M13
         Environment: Windows 10 Pro 64bit
            Reporter: Anthony Winstanley

We have 389-ds sitting behind an f5 load balancer. The load balancer requires connections
on port 389 to use StartTLS. It makes connections to the 389-ds servers on port 389 using

If I connect directly to port 389 on a 389-ds server with "Use StartTLS extension", the connection
is fine. If I change the hostname of this connection to the load-balanced hostname, I get:

"The connection failed - [LDAP: error code 48 - STARTTLS required]"

However, ldapsearch successfully makes STARTTLS connections through the load balancer like:

ldapsearch -x -H ldap:// -ZZ



My guess is that ADS is not activating StartTLS soon enough when connecting to port 389...
which is fine if the connection doesn't require the use of StartTLS, but unworkable when it

Of course, I'm hoping this is an easy fix...

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