cPanel Ports
Port 2082 -> Cpanel default port
Port 2083 -> Cpanel over SSL
Port 2086 -> Cpanel Webhost Manager (default)
Port 2087 -> Cpanel Webhost Manager (with https)
Port 2095 -> Cpanel Webmail
Port 2096 -> Cpanel secure webmail over SSL
Port 80 > Apache HTTP web server
Port 21 > FTP
Port 22 > SSH (you will get lot of ssh attacks if you leave it open. change the port to something else)
Port 25 > SMTP (outgoing email)
Port 110 > POP3 (incoming email)
Port 53 > DNS server (if you run DNS server)