Elasticsearch Serverless projects currently support the optionalServerless Plus add-on.

The Serverless Plus add-on is a package of enterprise features that help you to secure your data and enhance your data insights.

Serverless Plus includes the following features:

• Network security features, includingIP filtering andprivate connectivity
• Coming soon: Cross-project search

In future, Serverless Plus will include the following additional features:

• Cross-project replication
• Encryption at rest with customer-managed keys

This add-on is currently free for a limited promotional period. Enabling or using these features opts your project in to Serverless Plus.Learn more.