Why is it not accessible?  It sounds like that is the 1^st problem you need to solve.  You can add an ldapi to the startup.

From: xpzhang1971@gmail.com <xpzhang1971@gmail.com>
Sent: Saturday, March 23, 2024 3:34 PM
To: openldap-technical@openldap.org
Subject: RE: [EXTERNAL] how to migrate an openldap server to a new linux server

the problem here is that source openldap server only have port 389 opened, it is not accessible, not able to run slapcat.

the problem here is that source openldap server only have port 389 opened, it is not accessible, not able to run slapcat.