Splunk Http Event Collector (HEC) using SSL

Available Languages

Updated:September 28, 2026
Document ID:SPLK044328

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Applicability

Splunk Enterprise

Description

 When an application will send data over https, the following error occurs:
  
org.apache.http.conn.ssl.DefaultHostnameVerifier:07/18/2019 01:14:42:192 PM CEST: Thread[I/O dispatcher 1,5,main]: TransactionId[b8145627-a700-4a85-bdba-e83160a98410-45]
Certificate for <[Hostname SPLUNK-INDEXER]> doesn't match common name of the certificate subject: SplunkServerDefaultCert
javax.net.ssl.SSLException: Certificate for <[Hostname SPLUNK-INDEXER]> doesn't match common name of the certificate subject: SplunkServerDefaultCert

 

Investigation




 

Resolution

After some research about using SSL on HEC, we were able to solve the issue by setting up again the certificates but on the indexer.

NOTE: Use the following link to set up new certificates:

https://docs.splunk.com/Documentation/Splunk/7.3.0/Security/ConfigureSplunkforwardingtousesignedcertificates
Splunk Documentation
Configure Splunk forwarding to use your own certificates:
https://docs.splunk.com/Documentation/Splunk/7.3.0/Security/ConfigureSplunkforwardingtousesignedcertificates

Revision History

Revision Publish Date Comments
1.0
28-Sep-2026
Initial Release

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