Add a domain or URL to the Dashboards Trusted Domains List using Splunk Web. In Splunk Web, navigate to Settings > Server settings > Dashboards Trusted Domains List. Enter a name. The name is a label for the corresponding domain or URL. Select Save. This saves all changes to the Dashboards Trusted Domains List page since the last page update, including any domains or URLs that you have added or removed. Here is the reference link. https://docs.splunk.com/Documentation/SplunkCloud/9.0.2209/Admin/ConfigureDashboardsTrustedDomains
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