Securing CUCMs Connection to LDAP using SSL - LinkedIn 3268 — When SSL is not required 3269 — When SSL is required (If you enter this port number, make sure that you check the Use SSL check box ): If the default option of 389 is used, then
Configure and Troubleshoot SSO on Cisco Unified Communications Manager . . . It provides encryption to protect authentication information passed between the IdP, service provider, and user SSO also hides authentication messages passed between the IdP and the service provider from any external party It can reduce costs as fewer help desk calls are made for password resets
Configure CUCM for Secure LDAP (LDAPS) - Cisco Note: If you have Jabber clients, it is recommended to use port 3269 for LDAPS Authentication, since Jabber timeout for log in can occur if a secure connection to the global catalog server is not specified
[MS-ADTS]: Using SSL TLS | Microsoft Learn Active Directory permits two means of establishing an SSL TLS -protected connection to a DC The first is by connecting to a DC on a protected LDAPS port (TCP ports 636 and 3269 in AD DS, and a configuration-specific port in AD LDS)