Ports required for cPanel

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

Port

Service

Protocol

Direction

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

80

HTTP

TCP

Inbound / Outbound

110

POP3

TCP

Inbound

113

ident

TCP

Outbound

143

IMAP4

TCP

Inbound

443

HTTPS

TCP

Inbound / Outbound

465

SMTP (TLS/SSL)

TCP/UDP

Inbound / Outbound

783

SpamAssassin

TCP/UDP

Inbound

873

rsync

TCP/UDP

Outbound

953

DNS/RNDC

TCP

Inbound

993

IMAP4 (SSL)

TCP

Inbound

995

POP3 (SSL)

TCP

Inbound

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

Inbound