Port 3269

Q: What is port 3269?

Active Directory Global Catalog over LDAPS (TLS) Port 3269 is the TLS-encrypted version of the Global Catalog LDAP port (3268). It provides secure cross-domain directory queries in multi-domain Active Directory forests. Always prefer this over port 3268 to protect authentication data and directory contents in transit.

LDAP-GC-SSL

Active Directory Global Catalog over LDAPS (TLS)

Port

3269

Protocol

TCP

Service

LDAP-GC-SSL

Security

Restricted

Full name: Microsoft Global Catalog LDAP over SSL

What is port 3269?

Port 3269 is the TLS-encrypted version of the Global Catalog LDAP port (3268). It provides secure cross-domain directory queries in multi-domain Active Directory forests. Always prefer this over port 3268 to protect authentication data and directory contents in transit.

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