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
|
Official
|
873
|
TCP
|
UDP
|
rsync file synchronisation protocol
|
Official USA only
|
6277
|
|
UDP
|
Distributed Checksum Clearinghouses (anti-spam)
|
Unofficial
|