Port 443 is the default TCP port for HTTPS traffic. Every time a browser connects to a website using https:// and you do not specify a port number in the URL, port 443 is where the connection goes. The browser[…]
SEC_ERROR_EXPIRED_CERTIFICATE is Firefox’s way of telling you that a certificate’s validity period has ended, either on the server you are connecting to or because your device’s clock is outside that validity window. Chrome reports the same condition as NET::ERR_CERT_DATE_INVALID. The[…]
