【IAG】Unable Sync With External LDAP Server
Issue Description
User feedback that the LDAP server unable to sync with IAM and unable test for the validity.

Handling Process
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Checked IAM able to ping and telnet port 389 to the LDAP server.
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As per capture packet with IAM and LDAP server condition, found out LDAP server reply with StrongAuthRequired (BindSimple: Transport encryption required.)

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Found in google search means this means the LDAP server only allow connection LDAP over SSL/TLS which is LDAPS.

Solution
- Due to currently IAM unable to support LDAPS (LDAP over SSL/TLS), user disable the SSL/TLS setting in his/her LDAP server.
- After disabled, IAM able sync with LDAP server user and group to IAM.