This is documentation for Plesk Onyx.
Go to documentation for the latest version, Plesk Obsidian.
Ports Used by Plesk
This section provides information about setting up the firewall built into your panel so as to allow access to Plesk and its services.
The following is a list of ports and protocols used by Plesk services.
| Service name | Ports used by service |
|---|---|
| Administrative interface of Plesk over HTTPS | TCP 8443 |
| Administrative interface of Plesk over HTTP | TCP 8880 |
| Samba (file sharing on Windows networks) | UDP 137, UDP 138, TCP 139, TCP 445 |
| VPN service | UDP 1194 |
| Web server | TCP 80, TCP 443 |
| FTP server | TCP 21 |
| SSH (secure shell) server | TCP 22 |
| SMTP (mail sending) server | TCP 25, TCP 465 |
| POP3 (mail retrieval) server | TCP 110, TCP 995 |
| IMAP (mail retrieval) server | TCP 143, TCP 993 |
| Mail password change service | TCP 106 |
| MySQL server | TCP 3306 |
| Microsoft SQL Server | TCP 1433 |
| PostgreSQL server | TCP 5432 |
| Licensing Server connections | TCP 443 |
| Domain name server | UDP 53, TCP 53 |
| Plesk Installer, Plesk upgrades and updates | TCP 8447 |
Note: If you install Presence Builder as part of Plesk, Presence Builder uses the same protocol and opens on the same port as the Plesk UI.