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 name Ports
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

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