cPanel Port Usage Print

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Here is a table of all of the ports used by cPanel. Optional services are noted. If you know you are not using that service, then that port does not need to be open.

Port Service Protcol Direction Optional Service
20 FTP TCP Both
21 FTP TCP, UDP Both
22 SSH TCP Inbound
25 SMTP TCP Both
26 SMTP TCP Both Yes
37 Rdate TCP Outbound
43 Whois TCP Outbound
53 DNS TCP, UDP Both Yes, Inbound
80 HTTP TCP Both
110 POP3 TCP Inbound
113 Ident TCP Outbound
143 IMAP4 TCP Inbound
443 HTTPS TCP Inbound
873 Rsync TCP, UDP Outbound
993 IMAP4 (SSL) TCP Inbound
995 POP3 (SSL) TCP Inbound
2077 WebDAV TCP, UDP Both Yes
2078 WebDAV (SSL) TCP, UDP Both Yes
2082 cPanel TCP Inbound
2083 cPanel (SSL) TCP Inbound
2086 WHM TCP Inbound
2087 WHM (SSL) TCP Inbound
2095 Webmail TCP Inbound
2096 Webmail (SSL) TCP Inbound
3906 MySQL TCP Inbound Yes
6666 Melange Chat TCP Inbound Yes

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