6443
Kubernetes API
Medium RiskTCP — System & Infrastructure
Port Overview
Port Number
6443
Service Name
Kubernetes API
Transport Protocol
TCP
Category
System & Infrastructure
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 6443?
Kubernetes API server. The central management endpoint for Kubernetes clusters, handling all API requests for deploying, scaling, and managing containerized applications.
TCP
System & Infrastructure
Commonly Used
Security Considerations
Port 6443 (Kubernetes API) 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.