Ports that must be open to run cPanel behind a firewall

Which ports should be open if I'm running my cPanel server behind a firewall?

Ports that must be open to run cPanel behind a firewall:

    * 20 — FTP TCP 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
          o (inbound is only needed if you run your own public DNS server)
    * 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
    * 783 — SpamAssassin TCP/UDP inbound
    * 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 — cPanel license TCP outbound
    * 2095 — Webmail TCP inbound
    * 2096 — Webmail SSL TCP inbound
    * 3306 — MySQL TCP (only if you need to connect remotely)
    * 6666 — Chat TCP inbound