Port overview

Port

TCP/UDP

Function

Authorization

21

TCP

FTP

Reading from and writing to the file system

Port

TCP/UDP

Function

Authorization

23

TCP

Telnet

Reading OEM diagnostic data

Port

TCP/UDP

Function

Authorization

11740 - 11743

TCP

CODESYS engineering

Reading and writing

Port

TCP/UDP

Function

Authorization

1740 - 1743

UDP

CODESYS engineering

Reading and writing

Port

TCP/UDP

Function

Permission

310

TCP/UDP

Data Streaming

Reading and writing of all indexed parameters

Port

TCP/UDP

Function

Authorization

4840

 

CODESYS OPC UA server

 

Port

TCP/UDP

Function

Authorization

8080

HTTP

CODESYS web server

 

INFORMATION

Ports 21 and 23 are initially closed and can be opened via the configuration.

INFORMATION

Use Telnet and FTP only during startup and only in a secure environment (e.g. behind a firewall at the system limits).