12443
HTTPS Management Alternate
Medium RiskTCP — Web
Port Overview
Port Number
12443
Service Name
HTTPS Management Alternate
Transport Protocol
TCP
Category
Web
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 12443?
An alternate HTTPS port used by various network and security appliance management interfaces. Found in products from IBM, Citrix, and other enterprise vendors. TLS-secured but may expose sensitive admin interfaces if improperly firewalled.
TCP
Web
Security Considerations
Port 12443 (HTTPS Management Alternate) 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.