Thanks for the sharing links, now got it, how to write the use cases.

thanks for the replay.After replacement still, I am facing the same issue.Module om_tcpHost %WINDNS_OUTPUT_DESTINATION_ADDRESS%Port %WINDNS_OUTPUT_DESTINATION_PORT%Exec to_json();

Hi above mentioned config file we are using to get the DNS logs. could you please help us.

Panic Soft#NoFreeOnExit TRUEdefine ROOT C:\Program Files\nxlogdefine WINDNS_OUTPUT_DESTINATION_ADDRESS fwd IPdefine WINDNS_OUTPUT_DESTINATION_PORT 11518 define CERTDIR %ROOT%\certdefine CONFDIR %ROOT%\conf\nxlog.ddefine LOGDIR %ROOT%\data include %CO...

We are getting the below error in nxlog ERROR apr_sockaddr_info failed for %WINOUTPUT_DESTINATION_ADDRESS%:11518; No such host is known