PRTG Manual: List of Default Ports

Here you can find lists for all default ports used in PRTG:

Ports Used by Sensors

Sensors

Default Port Numbers

Description

Cloud HTTP and Cloud Ping sensors

443

Port for the communication via the PRTG Cloud

Cloud Ping sensors

80

Port for the 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 DNS service

Docker Container Status sensor

2376 (Docker over 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 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

i_round_blueThis port is fixed. You cannot change it.

HTTP Push sensors
  • 5050 (unsecure)
  • 5051 (secure)

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

IMAP sensor
  • 143 (unsecure)
  • 993 (secure)

Port for the IMAP connection

LDAP sensor
  • 389 (unsecure)
  • 636 (secure)

Port for the connection to the LDAP server

NetApp sensors

443

Port for the NetApp 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

Modbus TCP Custom sensor

502

Port for the connection to the Modbus TCP server

MQTT sensors
  • 1883 (unsecure)
  • 8883 (secure)

Port for the MQTT connection

OPC UA Server Status sensor

4840

Port for the connection to the OPC UA server

Oracle sensors

1521

Port for the connection to the Oracle SQL database

POP3 sensor
  • 110 (unsecure)
  • 995 (secure)

Port for the POP3 connection

PostgreSQL sensor

5432

Port for the connection to the PostgreSQL database

QoS sensors

50000

Port on which the sensor listens for the UDP packets

RADIUS v2 sensor

1812

Port for the connection to the RADIUS server

RDP (Remote Desktop) sensor

3389

Port for the RDP connection

REST sensors

8080

Port for the proxy

SIP Options Ping sensor

5060

Port for the UDP connection

SMTP sensors
  • 25 (unsecure)
  • 465 or 587 (secure)

Port used to send an email via SMTP

SMTP&IMAP Round Trip sensor
  • 143 (unsecure)
  • 993 (secure)

Port for the IMAP connection

SMTP&POP3 Round Trip sensor
  • 110 (unsecure)
  • 995 (secure)

Port for the POP3 connection

SNMP sensors

161

Port for the 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 Secure Sockets Layer (SSL)/Transport Layer Security (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 TFTP service runs

WBEM sensors
  • 5988 (unsecure)
  • 5989 (secure)

Port for the communication via WBEM

Windows Updates Status (PowerShell) sensor

5985

Port for the connection to Microsoft or to the local WSUS server

WSUS Statistics sensor

8530

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

Ports Used in Other Contexts

Context

Default Port Numbers

Description

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 (unsecure)
  • 443 (secure)

Port used by the PRTG web server

Report generation

8085

Port used for report generation

Appendix