Ports Used by Plesk
On servers protected by a firewall, the following ports must not be blocked to ensure proper operation of Plesk and accessibility of Plesk-managed 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 and Plesk Updater |
TCP 80, TCP 443 |
|
FTP server |
TCP 20, 21, 990 |
|
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 |
|
MS SQL server |
TCP 1433 |
|
Tomcat Java service |
TCP 9080, 9008 |
|
Licensing Server connections |
TCP 5224 |
|
Domain name server |
UDP 53, TCP 53 |
|
Plesk upgrades and updates |
TCP 8447 |
* Warning: If you use Presence Builder, do not block inbound connections to port 8880, otherwise Presence Builder will not function.