Splunk® Enterprise

Securing the Splunk Platform

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Splunk Enterprise version 6.x is no longer supported as of October 23, 2019. See the Splunk Software Support Policy for details. For information about upgrading to a supported version, see How to upgrade Splunk Enterprise.
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Validate your configuration

Before you deploy your configuration, you can use splunkd.log to validate and troubleshoot your configuration. Splunkd.log is located on your indexer and forwarder at $SPLUNK_HOME/var/log/splunk/splunkd.log.

On the indexer, look for the following or similar messages at the start-up sequence to verify a successful connection:

02-06-2011 19:19:01.552 INFO TcpInputProc - using queueSize 1000
02-06-2011 19:19:01.552 INFO TcpInputProc - SSL cipherSuite=ALL:!aNULL:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM
02-06-2011 19:19:01.552 INFO TcpInputProc - supporting SSL v2/v3
02-06-2011 19:19:01.555 INFO TcpInputProc - port 9997 is reserved for splunk 2 splunk (SSL)
02-06-2011 19:19:01.555 INFO TcpInputProc - Port 9997 is compressed
02-06-2011 19:19:01.556 INFO TcpInputProc - Registering metrics callback for: tcpin_connections

On the forwarder, look for the following or similar messages at the start-up sequence to verify a successful connection:

02-06-2011 19:06:10.844 INFO TcpOutputProc - Retrieving configuration from properties
02-06-2011 19:06:10.848 INFO TcpOutputProc - found Whitelist forwardedindex.0.whitelist , RE : forwardedindex.0.whitelist
02-06-2011 19:06:10.848 INFO TcpOutputProc - found Whitelist forwardedindex.1.blacklist , RE : forwardedindex.1.blacklist
02-06-2011 19:06:10.848 INFO TcpOutputProc - found Whitelist forwardedindex.2.whitelist , RE : forwardedindex.2.whitelist
02-06-2011 19:06:10.850 INFO TcpOutputProc - Will retry at max backoff sleep forever
02-06-2011 19:06:10.850 INFO TcpOutputProc - Using SSL for server, clientSearch=/opt/splunk/etc/aut/server.pem
02-06-2011 19:06:10.854 INFO TcpOutputProc - ALL Connections will use SSL with sslCipher=
02-06-2011 19:06:10.859 INFO TcpOutputProc - initializing single connection with retry strategy for

For help troubleshooting your configuration issues, see "Troubleshoot your forwarder to indexer configuration" in this manual.

Last modified on 18 October, 2016
Configure Splunk forwarding to use your own certificates
Troubleshoot your forwarder to indexer authentication

This documentation applies to the following versions of Splunk® Enterprise: 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.4.4, 6.4.5, 6.4.6, 6.4.7, 6.4.8, 6.4.9, 6.4.10, 6.4.11

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