Plesk Ports Usage

Plesk Ports Usage

A port is a network location with certain address inside any operating system which main purpose is to differentiate traffic related to various services and apps. Ports are identified by the number from 1 to 65535. Each port is always bind to an IP address of a host and a protocol type relevant to communication way.

Port Types

Ports can be grouped into 3 main categories:

  • System ports, 0-1023 – ports associated with core services and considered to be essential for operating system
  • User ports, 1024-49151 – ports assigned by IANA using the ‘IETF Review’ process, the ‘IESG Approval’ process, or the ‘Expert Review’ process
  • Dynamic ports, 49152-65535 – ports suggested for private use.

Plesk Ports

Here you will find a list of ports and protocols which are in use by Plesk services.

Service namePorts
Administrative interface of Plesk over HTTPSTCP 8443
Administrative interface of Plesk over HTTPTCP 8880
Samba – file sharing on Windows networksUDP 137, UDP 138, TCP 139, TCP 445
VPN serviceUDP 1194
Web serverTCP 80, TCP 443
FTP serverTCP 21
SSH (secure shell) serverTCP 22
SMTP (mail sending) serverTCP 25, TCP 465
POP3 (mail retrieval) serverTCP 110, TCP 995
IMAP (mail retrieval) serverTCP 143, TCP 993
Mail password change serviceTCP 106
MySQL serverTCP 3306
Microsoft SQL ServerTCP 1433
PostgreSQL serverTCP 5432
Licensing Server connectionsTCP 443
Domain name serverUDP 53, TCP 53
Plesk Installer, Plesk upgrades and updatesTCP 8447

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