List of Ports

From JumbaWiki

A port is a special number present in the header of TCP and UDP data packets. Ports are typically used to map data to a particular process running on a computer.

Common ports

This list attempts to list most of the ports used in cPanel, WHM and all other hosting areas. This information can be useful when setting up your firewall.

20 - FTP TCP inbound/outbound
21 - FTP TCP, UDP inbound/outbound
22 - standard port for SSH TCP inbound (Jumba servers use port 2222)
25 - SMTP TCP inbound/outbound
26 - SMTP TCP inbound/outbound (Used on port 587, this port is only needed to be open if the option in cPanel to run exim on port 26 is used.)
37 - rdate TCP outbound
43 - whois TCP outbound
53 - DNS TCP/UDP inbound/outbound (inbound is only needed if you run your own public DNS server you)
80 - HTTP TCP inbound/outbound
110 - POP3 TCP inbound
113 - ident TCP outbound
143 - IMAP TCP inbound
443 - HTTPS TCP inbound
465 - SMTP TLS/SSL TCP/UDP inbound/outbound
587 - SMTP TCP inbound/outbound (alternate port for customers who's ISP blocks port 25)
873 - rsync TCP/UDP outbound
993 - IMAP SSL TCP inbound
995 - POP3 SSL TCP inbound
2082 - cPanel TCP inbound - You can visit the address by using your own domain name (eg. http://www.yourdomain.com/cpanel/ OR http://www.yourname.com:2082/)
2083 - cPanel SSL TCP inbound - You can visit the address by using your own domain name (eg. https://yourdomain.com/cpanel/ OR https://yourname.com:2083/)
2086 - for the WHM login on reseller accounts (outbound for DNS cluster) - You can visit the address by using your own domain name (eg. http://www.yourname.com/whm OR http://www.yourname.com:2086/)
2087 - for the secure WHM login on reseller accounts; SSL TCP inbound/(outbound for DNS cluster) - You can visit the address by using your own domain name (eg. https://yourname.com/whm OR https://yourname.com:2087/)
2089 - cp licence TCP outbound
2095 - for Webmail access (TCP inbound) - You can visit the address by using your own domain name (eg. http://www.yourdomain.com/webmail OR http://www.yourname.com:2095/)
2096 - for secure Webmail access (SSL TCP inbound) - You can visit the address by using your own domain name (eg. https://yourdomain.com/webmail OR https://yourname.com:2096/)
2222 - used by Jumba for SSH
2864 - SSH TCP inbound
3306 - MySQL TCP (only if you need to connect remotely)
6666 - Internet Relay Chat (IRC) TCP inbound. Some providers utilise port 6667.
9898 - AIM TCP outbound