The following ports are open on our cPanel shared servers. If you access server using an port other than the following, we will block you IP address across our entire network.
Incoming TCP Ports
PORT
TCP
UDP
DESCRIPTION
STATUS
20
TCP
UDP
FTP—data transfer
Official
21
TCP
UDP
FTP—control (command)
Official
22
TCP
UDP
Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding
Official
25
TCP
Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers
Official
26
TCP
UDP
Unassigned, often used as alternate SMTP
Official
53
TCP
UDP
Domain Name System (DNS)
Official
80
TCP
UDP
Hypertext Transfer Protocol (HTTP)
Official
110
TCP
Post Office Protocol v3 (POP3)
Official
143
TCP
Internet Message Access Protocol (IMAP)—management of email messages
Official
443
TCP
HTTPS (Hypertext Transfer Protocol over SSL/TLS)
Official
465
TCP
SMTP over SSL
Unofficial
953
TCP
UDP
Domain Name System (DNS) RNDC Service
Unofficial
993
TCP
Internet Message Access Protocol over SSL (IMAPS)
Official
995
TCP
Post Office Protocol 3 over TLS/SSL (POP3S)
Official
2077
TCP
Webdisk
Unofficial
2078
TCP
Webdisk SSL
Unofficial
2082
TCP
CPanel default
Unofficial
2083
TCP
CPanel default SSL
Unofficial
2086
TCP
WebHost Manager default
Unofficial
2087
TCP
WebHost Manager default SSL
Unofficial
2095
TCP
CPanel default Web mail
Unofficial
2096
TCP
CPanel default SSL Web mail
Unofficial
30000:35000
TCP
Needed pure-ftpd enabled PASV
Unofficial
Outgoing TCP Ports
PORT
TCP
UDP
DESCRIPTION
STATUS
20
TCP
UDP
FTP—data transfer
Official
21
TCP
UDP
FTP—control (command)
Official
22
TCP
UDP
Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding
Official
25
TCP
Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers
Official
37
TCP
UDP
TIME protocol
Official
43
TCP
WHOIS protocol
Official
53
TCP
UDP
Domain Name System (DNS)
Official
80
TCP
UDP
Hypertext Transfer Protocol (HTTP)
Official
110
TCP
Post Office Protocol v3 (POP3)
Official
113
TCP
UDP
ident—Authentication Service/Identification Protocol, used by IRC servers to identify users
Official
143
TCP
Internet Message Access Protocol (IMAP)—management of email messages
Official
443
TCP
HTTPS (Hypertext Transfer Protocol over SSL/TLS)
Official
587
TCP
e-mail message submission (SMTP)
Official
873
TCP
UDP
rsync file synchronisation protocol
Official USA only
995
TCP
Post Office Protocol 3 over TLS/SSL (POP3S)
Official
2087
TCP
WebHost Manager default SSL
Unofficial
2089
TCP
cPanel License Update
Unofficial
2703
TCP
2703 Razor email scanning
Unofficial
Incoming UDP Ports
PORT
TCP
UDP
DESCRIPTION
STATUS
20
TCP
UDP
FTP—data transfer
Official
21
TCP
UDP
FTP—control (command)
Official
53
TCP
UDP
Domain Name System (DNS)
Official
Outgoing UDP Ports
PORT
TCP
UDP
DESCRIPTION
STATUS
20
TCP
UDP
FTP—data transfer
Official
21
TCP
UDP
FTP—control (command)
Official
53
TCP
UDP
Domain Name System (DNS)
Official
113
TCP
UDP
ident—Authentication Service/Identification Protocol, used by IRC servers to identify users
Official
123
UDP
Network Time Protocol (NTP)—used for time synchronization
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