If you have cPanel control panel on your web server which is behind a firewall, you’ll require all this ports in order to get cPanel working properly:
| Ports | Service | Protocol | Direction |
| 20 | ftp | tcp,udp | inbound/outbound |
| 21 | ftp | tcp,udp | inbound/outbound |
| 22 | ssh | tcp | inbound |
| 25 | smtp | tcp | inbound/outbound |
| 26 | smtp | tcp | inbound/outbound |
| 37 | rdate | tcp | outbound |
| 43 | whois | tcp | outbound |
| 53 | DNS | tcp/udp | inbound/outbound |
| 80 | http | tcp | inbound/outbound |
| 110 | pop3 | tcp | inbound |
| 113 | ident | tcp | outbound |
| 143 | imap4 | tcp | inbound |
| 443 | https | tcp | inbound |
| 465 | smtp tls/ssl | tcp/udp | inbound/outbound |
| 873 | rsync | tcp/udp | outbound |
| 993 | imap4 ssl | tcp | inbound |
| 995 | pop3 ssl | tcp | inbound |
| 2077 | webdav | tcp/udp | inbound/outbound |
| 2078 | webdav ssl | tcp/udp | inbound/outbound |
| 2082 | cpanel | tcp | inbound |
| 2083 | cpanel ssl | tcp | inbound |
| 2086 | whm | tcp | inbound |
| 2087 | whm ssl | tcp | inbound |
| 2089 | cp licence | tcp | outbound |
| 2095 | Webmail | tcp | inbound |
| 2096 | Webmail SSL | tcp | inbound |
| 3306 | mysql | tcp | Remotely ONLY |
This article has been published by 24×7 Outsourced Support, technical support service providers for web hosting companies, Internet service providers, Data Centers and Software companies. Visit us at www.24×7OutsourcedSupport.com
