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
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