Turn off Splunk platform field filters

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How to turn off Splunk platform field filters

At some point you might want to turn off all of your organization's field filters at one time. When you turn off field filters, the Splunk platform doesn't apply existing field filters to searches and ignores configuration information, such as role exemptions, target indexes, and limits on target hosts, sources, and source types. In addition, personal identifiable information (PII) and protected health information (PHI) data might be visible in searches when you turn off field filters.

You can turn field filters back on whenever you need to protect sensitive fields again across your organization.

CAUTION: Because turning off field filters can expose sensitive data to unauthorized users, make sure that it is safe to turn field filters off. To further secure your system, only allow certain authorized users to turn off field filters.

Splunk Cloud Platform

To turn off field filters in your environment, request help from Splunk Support. If you have a support contract, file a new case using the Splunk Support Portal at Support and Services. Otherwise, contact Splunk Customer Support.

Splunk Enterprise

To turn off field filters in your environment, follow these steps.

Prerequisites
  • Have the permissions to edit configuration files. Only users with file system access, such as system administrators, can edit configuration files.
  • Know how to edit configuration files. Review the steps in How to edit a configuration file in the Splunk Enterprise Admin Manual.
  • Decide which directory to store configuration file changes in. There can be configuration files with the same name in your default, local, and app directories. See Where you can place (or find) your modified configuration files in the Splunk Enterprise Admin Manual.
CAUTION: Never change or copy the configuration files in the default directory. The files in the default directory must remain intact and in their original location. Make changes to the files in the local directory.

Steps

  1. Open the local limits.conf file at $SPLUNK_HOME/etc/system/local.
  2. In the [search] stanza, set field_filters=false.
  3. Open the local web-features.conf file at $SPLUNK_HOME/etc/system/local.
  4. In the [feature:field_filters] stanza, set enable_field_filters_ui=false.
  5. Restart Splunk Enterprise, so the change to the configuration files take effect.
  6. If you're using field filters in a distributed search deployment, you must set field_filters=false in the limits.conf file and enable_field_filters_ui=false in the web-features.conf file on all search heads and indexers.