3269
Microsoft Global Catalog SSL
Medium RiskTCP — Security & VPN
Port Overview
Port Number
3269
Service Name
Microsoft Global Catalog SSL
Transport Protocol
TCP
Category
Security & VPN
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 3269?
Port 3269 is the SSL/TLS-encrypted version of the Microsoft Active Directory Global Catalog service on port 3268. It provides secure LDAP queries across domain boundaries using certificate-based encryption. This port is preferred over 3268 when security policies require encrypted directory queries.
TCP
Security & VPN
Security Considerations
Port 3269 (Microsoft Global Catalog SSL) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.