Port 443 — HTTPS

HTTP Secure. Encrypted web traffic using TLS/SSL. The standard for all modern websites.

Is Port 443 Open on Your Server?

Test it now with our Port Scanner

Port 443 Details

Port443
ServiceHTTPS
ProtocolTCP
EncryptedYes (TLS/SSL)
Common UseHTTP Secure

How to Check Port 443

Online: Use our Port Scanner — enter your IP and port 443.

Command line:

nc -zv your-server-ip 443 (Mac/Linux)

Test-NetConnection -ComputerName your-server-ip -Port 443 (PowerShell)

Check locally:

ss -tlnp | grep :443 (Linux)   netstat -an | findstr :443 (Windows)

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