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Microsoft disabling LDAP on Port 389 in March 2020 - Enabling secure LDAP over Port 636

For all KACE Admins who use LDAP connection via port 389.
Microsoft plans to disable unsecured LDAP on port 389 against the domain controller.

To continue using LDAP authentication and LDAP import, you have to switch to secured LDAP via port 636.

Here are a few links to microsoft articles
https://support.microsoft.com/en-us/help/4520412/2020-ldap-channel-binding-and-ldap-signing-requirement-for-windows
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8563
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV190023

Posted 4 years ago 10479 views

Comments

  • If the connection is made using SSL, use the IP address or host name. Example: ldaps: // hostname. - Tschatsch 4 years ago
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