A port is the “logical connection place” where a browser will connect to a web server. The SSL port or the https port is the port that you would assign on your web server for SSL traffic. The industry standard port to use is port 443 – most networks and firewalls expect port 443 to be used for SSL. However it is possible to name other SSL ports / https ports to be used if necessary. The standard port used for non-secure http traffic is 80.