20 |
in / out |
FTP data transfer |
21 |
in / out |
FTP control |
22 |
in / out |
Secure shell (SSH) |
25 |
in / out |
Simple mail transfer protocol (SMTP) |
53 |
in / out |
Domain name system (DNS) |
80 |
in / out |
Hypertext transfer protocol (HTTP) |
110 |
in / out |
Post office protocol v3 (POP3) |
113 |
out |
Authentication service/identification protocol (IDENT) |
143 |
in / out |
Internet message access protocol (IMAP) |
443 |
in / out |
Hypertext transfer protocol over SSL/TLS (HTTPS) |
465 |
in / out |
Simple mail transfer protocol overl SSL (SMTPS) |
587 |
in / out |
E-mail message submission (SMTP) |
993 |
in / out |
Internet message access protocol over SSL (IMAPS) |
995 |
in / out |
Post office protocol 3 over TLS/SSL (POP3S) |
2703 |
out |
Spamassassin Razor2 |
5224 |
out |
Plesk license check |
8443 |
in / out |
Plesk administrative interface (HTTPS) |
8447 |
in / out |
Parallels Products Installer |
8880 |
in / out |
Plesk administrative interface (HTTP) |
30000:35000 |
in |
FTP passive port range (When configured) |