Configuring central logging 

Logging in the security context only makes sense in a network. When configuring the SysLog, you set to which higher-level server the data is sent and which data it is.

 For information on basic security logging, refer to the topic Security logging.

 For further information on SysLog configuration, refer to the topic Security - Syslog configuration in the main PLCnext Info Center.

  • Log in to the WBM. 

Return to topicHow do I get to the WBM again? Click here for more information... 

Establishing a connection to the Web-based Management (WBM):

  • Open a web browser on your computer.
  • In the address field, enter the URL https://<IP-address-of-the-controller>/wbm,
    for example:

For further information, see WBM.


  • Open the Syslog Configuration page (Security → Syslog Configuration). 
  • To add a new Syslog server destination configuration, select the  button.
  • Provide the following information: 
    • Host Name: IP address of the device (host) to send the logging messages to.
    • Protocol: It is recommended to configure TLS.
    • Port: Select the port on which the devices exchange data. Make sure that the port is enabled in the firewall settings.
    • Trust Store: Select the Trust Store. 
    • Facilities: Choose what kind of data should be exchanged. Choose auth in any case. 
    • Severity Level: Select >=Information (info)


In addition to the settings in the WBM, you must also make settings on the higher-level server.

  • Make the necessary changes in the syslog-ng.conf file.


Note: The specified IP address and the selected port must be enabled in the firewall.
For further information, refer to the topic Configuring extended firewall settings.





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• Published/reviewed: 2023-11-02 • Revision 011 •