Which ports should be opened in the firewall on a Plesk server

Question

Which ports should be opened in the firewall on a Plesk server?

Answer

The list of ports that need to be opened in the firewall depend on the services that are running on a Plesk server.

Plesk interface uses port 8443 for HTTPS connections and 8880 for HTTP connections.

Other ports that are used by Plesk and related services:

• 20 - FTP data transfer for active mode (TCP)

• 21 - FTP (TCP)

• 22 - SSH (TCP) - Linux only

• 25 - SMTP (TCP)

• 53 - DNS (TCP and UDP)

• 80 - HTTP (TCP)

• 110 - POP3 (TCP)

• 123 - NTP (UDP)

• 143 - IMAP (TCP)

• 443 - HTTPS (TCP)

• 465 - SMTPS (TCP)

• 587 - SMTP (Submission) (TCP)

• 953 - RNDC (TCP)

• 990 - FTPS (TCP)

• 993 - IMAPS (TCP)

• 995 - POP3S (TCP)

• 1433 - Microsoft SQL (for remote connections) (TCP) - Windows only

• 3306 - MySQL (for remote connections) (TCP)

• 3389 - RDP (TCP) - Windows only

• 5432 - PostgreSQL (TCP) - Linux only

• 8401 - SQL Admin (TCP) - Windows only

• 8443 - Plesk HTTPS (TCP)

• 8447 - Plesk Installer (TCP)

• 8880 - Plesk HTTP (TCP)

• 49152-65535 - (TCP) for FTP passive mode - incoming connections only

Additional ports

• 135, 139, 445 - (TCP) for migration - Windows only

• 137, 138 - (UPD) for migration - Windows only

• 10155 - (TCP) for a custom Plesk Migrator service performing miscellaneous tasks - Windows only

• 10156 - (TCP) for rsync server (migration) - Windows only

• 49152-65535 - (TCP) for FTP passive mode - incoming connections only