PRTG Manual: List of Default Ports

Cloud HTTP and Cloud Ping sensors

443

Port for the communication via the PRTG Cloud

Cloud Ping sensors

80

Port for the Transmission Control Protocol (TCP) ping

Dell EMC sensors

443

Port for the connection to the Dell EMC system

DICOM sensors

104

Port for the connection to the DICOM interface

DNS sensors

53

Port for the connection to the device that runs the Domain Name System (DNS) service

Docker Container Status sensor

2376 (Docker over Transport Layer Security (TLS))

Port for the connection to the Docker container

FTP sensor

21

Port for the connection to the file server

HL7 sensor

104

Port for the connection to the Health Level 7 (HL7) interface

HTTP sensors

8080

Port of the proxy

HTTP IoT Push Data Advanced sensor

5051

Port on which the sensor listens for incoming HTTPS requests

This port is fixed. You cannot change it.

HTTP Push sensors

• 5050 (unencrypted)
• 5051 (encrypted)

Port on which the sensor listens for incoming HTTP or HTTPS requests

IMAP sensor

• 143 (unencrypted)
• 993 (encrypted)

Port for the Internet Message Access Protocol (IMAP) connection

LDAP sensor

• 389 unencrypted
• 636 (encrypted)

Port for the connection to the Lightweight Directory Access Protocol (LDAP) server

NetApp sensors

443

Port for the NetApp application programming interface (API) access

Microsoft SQL v2 sensor

1433

Port for the connection to the Microsoft SQL database

MySQL v2 sensor

3306

Port for the connection to the MySQL database

Oracle sensors

1521

Port for the connection to the Oracle SQL database

MQTT sensors

• 1883 (unencrypted)
• 8883 (encrypted)

Port for the Message Queue Telemetry Transport (MQTT) connection

POP3 sensor

• 110 (unencrypted)
• 995 (encrypted)

Port for the Post Office Protocol version 3 (POP3) connection

PostgreSQL sensor

5432

Port for the connection to the

QoS sensors

50000

Port on which the sensor listens for the User Datagram Protocol (UDP) packets

RADIUS v2 sensor

1812

Port for the connection to the RADIUS server

RDP (Remote Desktop) sensor

3389

Port for the Remote Desktop Protocol (RDP) connection

REST sensors

8080

Port for the proxy

SIP Options Ping sensor

5060

Port for the UDP connection

SMTP sensors

• 25 (unencrypted)
• 465 or 587 (encrypted)

Port used to send an email via the Simple Mail Transfer Protocol (SMTP)

SMTP&IMAP Round Trip sensor

• 143 (unencrypted)
• 993 (encrypted)

Port for the IMAP connection

SMTP&POP3 Round Trip sensor

• 110 (unencrypted)
• 995 (encrypted)

Port for the POP3 connection

SNMP sensors

161

Port for Simple Network Management Protocol (SNMP) connection

SNMP Trap Receiver sensor

162

Port on which the sensor listens for SNMP traps and on which trap messages are sent

SSL sensors

443

Port for the SSL/TLS connection

Syslog Receiver sensor

514

Port on which the sensor listens for Syslog messages and on which Syslog messages are sent

TFTP sensor

69

Port of the device on which the Trivial File Transfer Protocol (TFTP) service runs

WBEM sensors

• 5988 (unencrypted)
• 5989 (encrypted)

Port for the communication via Web-based Enterprise Management (WBEM)

Windows Updates Status (PowerShell) sensor

5985

Port for the connection to Microsoft or to the local Windows Server Update Services (WSUS) server

WSUS Statistics sensor

8530

Port for the connection to the device on which the WSUS server service runs

Cluster communication

23570

Port for the communication between cluster nodes

Incoming probe connections

23560

Port on which PRTG listens for incoming remote probe connections

PRTG Cloud

443

Port used by the PRTG Cloud for support tickets, for example

PRTG web server

• 80 (unencrypted)
• 443 (encrypted)

Port used by the PRTG web server

Report generation

8085

Port used for report generation