Common ports: 21, 22, 25, 53, 80, 443, 445, 3389, 5000
Mail server ports: 25, 110, 143, 465, 587, 993, 995, 2525, 4190, 5222, 6010, 9025, 10019
CF HTTP & HTTPS ports: 80, 443, 2052, 2053, 2082, 2083, 2086, 2087, 2095, 2096, 8080, 8443