In Linux:To change the port Plesk listens on you will need to edit
/usr/local/psa/admin/conf/httpsd.conf file and change the following directives to list the port you want Plesk to listen on:
Listen 8443
Port 8443
VirtualHost *:8443>
You will need to restart Plesk afterwards. Plesk cannot listen on any of the ports used for common services.
In Windows:Most Plesk installs will be using Apache by default. You will want to edit the Apache configuration file
C:\Program Files\SWsoft\Plesk\admin\conf\httpd.confChange the following line to list the port number you want Plesk to listen on:
Listen 8443
Then, restart Plesk Control Panel.
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