Here are some list of ports on Linux Server with WHM
| Port | Service | TCP | UDP | Inbound | Outbound | Notes |
|---|---|---|---|---|---|---|
20 |
FTP |  |
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We recommend that you use SFTP via SSH, because it is more secure than FTP. |
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21 |
FTP | |
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22 |
SSH | |
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25 |
SMTP | |
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26 |
SMTP | |
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cPanel & WHM only uses this port if you specify it in WHM’s Service Manager interface (Home >> Service Configuration >> Service Manager). | |
37 |
rdate |
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43 |
whois |
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53 |
bind |
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cPanel & WHM only uses this port if you run a public DNS server. |
80 |
http |
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110 |
POP3 | |
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113 |
ident |
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143 |
IMAP | |
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443 |
https |
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465 |
SMTP, SSL/TLS | |
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783 |
Apache SpamAssassin™ | |
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873 |
rsync | |
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993 |
IMAP SSL | |
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995 |
POP3 SSL | |
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2073 |
RazorScanner | |
RazorScanner is a collaborative spam-tracking database. For more information, visit the RazorScanner website. | |||
2077 |
WebDAV | |
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cPanel’s Web Disk interface ( Home >> Files >> Web Disk ) uses this port. | |
2078 |
WebDAV SSL | |
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cPanel’s Web Disk interface (Home >> Files >> Web Disk) uses this port. | |
| 2079 | CalDAV/CardDAV | |
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cPanel’s Calendar and Contacts feature ( Home >> Email >> Configure My Calendar and Contact Client Applications ) uses this port. | |
| 2080 | CalDAV/CardDAV SSL | |
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cPanel’s Calendar and Contacts feature ( Home >> Email >> Configure My Calendar and Contact Client Applications ) uses this port. | |
2082 |
cPanel | |
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2083 |
cPanel SSL | |
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2086 |
WHM | |
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2087 |
WHM SSL | |
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2089 |
cPanel Licensing | |
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Warning: You must open this port in order to contact the cPanel license servers. |
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2095 |
Webmail | |
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2096 |
Webmail SSL | |
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3306 |
MySQL® | |
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MySQL uses this port for remote database connections. |