Hi Gnanasekar,
where ever blacklist can be used, it can be replaced with whitelist(vice versa is true as well)
maybe, if you give us the config file, we can suggest how to do this.
for example - assume there are two host names ABC.company.com and DEF.company.com
[serverClass:all_apps_inputs]
restartSplunkd = true
blacklist.0 = splunk_indexers
whitelist.0 = ABC*
[serverClass:all_apps_inputs]
restartSplunkd = true
blacklist.0 = splunk_indexers
blacklist.1 = DEF*
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