Which ports are used by cPanel/WHM?

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The cPanel and WHM use the following ports:

  • 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

Overall you would require following ports to be opened up in your firewall

20	FTP
21	FTP
22	SSH
37	rdate
25	SMTP
26	SMTP
587     SMTP
110	POP3
143	IMAP4
465	SMTP TLS/SSL
783	SpamAssassin
993	IMAP4 SSL
995	POP3 SSL
2095	Webmail
2096	Webmail SSL
53	DNS
80	HTTP
443	HTTPS
3306	MySQL
2077	WebDAV
2078	WebDAV SSL
43	whois
113	ident
873	rsync
6666	IRC
2082	cPanel
2083	cPanel SSL
2086	WHM
2087	WHM SSL
2089	cPanel license