8443
HTTPS Alt
Low RiskTCP — Web
Port Overview
Port Number
8443
Service Name
HTTPS Alt
Transport Protocol
TCP
Category
Web
Security Risk
Low
Port Range
Registered (1024-49151)
What is Port 8443?
Alternative HTTPS port. Used by Apache Tomcat for HTTPS, Plesk control panel, and many web applications that need TLS on a non-standard port.
TCP
Web
Commonly Used
Security Considerations
Port 8443 (HTTPS Alt) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.