TCP/UDP
LDAP
What port 389 is used for
User and group directory — Active Directory, OpenLDAP.
Security considerations
Never expose to internet. Use LDAPS (636) and tight ACLs.
Check if port 389 is open on any host:
Open Port Scanner →User and group directory — Active Directory, OpenLDAP.
Never expose to internet. Use LDAPS (636) and tight ACLs.
Check if port 389 is open on any host:
Open Port Scanner →