Port 8443 — HTTPS Alternate

Alternative HTTPS port. Used by many applications as a secondary secure port.

Is Port 8443 Open on Your Server?

Test it now with our Port Scanner

Port 8443 Details

Port8443
ServiceHTTPS Alternate
ProtocolTCP
EncryptedYes (TLS/SSL)
Common UseAlternative HTTPS port

How to Check Port 8443

Online: Use our Port Scanner — enter your IP and port 8443.

Command line:

nc -zv your-server-ip 8443 (Mac/Linux)

Test-NetConnection -ComputerName your-server-ip -Port 8443 (PowerShell)

Check locally:

ss -tlnp | grep :8443 (Linux)   netstat -an | findstr :8443 (Windows)

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