Hi,
It's not possible to access Gluu Server's LDAP data from outside of it's own VM.
please take reference of this issue.
https://support.gluu.org/identity-management/4991/ldapsearch-cant-access-gluu-server-got-ldap_sasl_interactive_bind_s-cant-contact-ldap-server-1/
please google it once before raise an issue.
Thanks and Regards
Mohit Mali