How to configure flow collector

[outis]

When I configure Flow collector on linux_web server for forwarding
Flow collector to server Splunk_server , but I see an error.

I try to fix it but unsuccessful.
Hope everyone can help me. Thanks.

[ivanreis]

Per the error messages it seems the linux server is not able to find the Splunk server on the DNS server, so try to use the ipaddress of splunk server where the HEC is setup to receive the input for testing purposes.

Here is a link to troubleshoot the HEC connections
https://docs.splunk.com/Documentation/Splunk/7.3.2/Data/TroubleshootHTTPEventCollector#Setting_up_lo...