Port 8443

Q: What is port 8443?

Alternate HTTPS port for secondary services Port 8443 is used as an alternate HTTPS port when port 443 is unavailable or is already in use by another service. It is very common in Apache Tomcat (HTTPS connector), the Plesk control panel, and various enterprise Java applications. Kubernetes ingress controllers also frequently use it for HTTPS traffic.

HTTPS-alt

Alternate HTTPS port for secondary services

Port

8443

Protocol

TCP

Service

HTTPS-alt

Security

Safe

Full name: HTTPS Alternate

What is port 8443?

Port 8443 is used as an alternate HTTPS port when port 443 is unavailable or is already in use by another service. It is very common in Apache Tomcat (HTTPS connector), the Plesk control panel, and various enterprise Java applications. Kubernetes ingress controllers also frequently use it for HTTPS traffic.

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