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Permissions

Each permission in the Security plugin controls access to some action that the OpenSearch cluster can perform, such as indexing a document or checking cluster health.

Most permissions are self-describing. For example, cluster:admin/ingest/pipeline/get lets you retrieve information about ingest pipelines. In many cases, a permission correlates to a specific REST API operation, such as GET _ingest/pipeline.

Despite this correlation, permissions do not directly map to REST API operations. Operations such as POST _bulk and GET _msearch can access many indices and perform many actions in a single request. Even a simple request, such as GET _cat/nodes, performs several actions in order to generate its response.

In short, controlling access to the REST API is insufficient. Instead, the Security plugin controls access to the underlying OpenSearch actions.

For example, consider the following _bulk request:

POST _bulk
{ "delete": { "_index": "test-index", "_id": "tt2229499" } }
{ "index": { "_index": "test-index", "_id": "tt1979320" } }
{ "title": "Rush", "year": 2013 }
{ "create": { "_index": "test-index", "_id": "tt1392214" } }
{ "title": "Prisoners", "year": 2013 }
{ "update": { "_index": "test-index", "_id": "tt0816711" } }
{ "doc" : { "title": "World War Z" } }

For this request to succeed, you must have the following permissions for test-index:

  • indices:data/write/bulk*
  • indices:data/write/delete
  • indices:data/write/index
  • indices:data/write/update

These permissions also allow you add, update, or delete documents (e.g. PUT test-index/_doc/tt0816711), because they govern the underlying OpenSearch actions of indexing and deleting documents rather than a specific API path and HTTP method.

Test permissions

If you want a user to have the absolute minimum set of permissions necessary to perform some function—the principle of least privilege—the best way is to send representative requests to your cluster as a new test user. In the case of a permissions error, the Security plugin is very explicit about which permissions are missing. Consider this request and response:

GET _cat/shards?v

{
  "error": {
    "root_cause": [{
      "type": "security_exception",
      "reason": "no permissions for [indices:monitor/stats] and User [name=test-user, backend_roles=[], requestedTenant=null]"
    }]
  },
  "status": 403
}

Create a user and a role, map the role to the user, and start sending signed requests using curl, Postman, or any other client. Then gradually add permissions to the role as you encounter errors. Even after you resolve one permissions error, the same request might generate new errors; the plugin only returns the first error it encounters, so keep trying until the request succeeds.

Rather than individual permissions, you can often achieve your desired security posture using a combination of the default action groups. See Default action groups for descriptions of the permissions that each group grants.

Cluster permissions

These permissions are for the cluster and can’t be applied granularly. For example, you either have permissions to take snapshots (cluster:admin/snapshot/create) or you don’t. The cluster permission, therefore, cannot grant a user privileges to take snapshots of a select set of indexes while preventing the user from taking snapshots of others.

Cross-references to API documentation in the permissions that follow are only intended to provide an understanding of the permissions. As stated at the beginning of this section, permissions often correlate to APIs but do not map directly to them.

Ingest API permissions

See Ingest APIs.

  • cluster:admin/ingest/pipeline/delete
  • cluster:admin/ingest/pipeline/get
  • cluster:admin/ingest/pipeline/put
  • cluster:admin/ingest/pipeline/simulate
  • cluster:admin/ingest/processor/grok/get

Anomaly Detection permissions

See Anomaly detection API.

  • cluster:admin/opendistro/ad/detector/delete
  • cluster:admin/opendistro/ad/detector/info
  • cluster:admin/opendistro/ad/detector/jobmanagement
  • cluster:admin/opendistro/ad/detector/preview
  • cluster:admin/opendistro/ad/detector/run
  • cluster:admin/opendistro/ad/detector/search
  • cluster:admin/opendistro/ad/detector/stats
  • cluster:admin/opendistro/ad/detector/write
  • cluster:admin/opendistro/ad/detector/validate
  • cluster:admin/opendistro/ad/detectors/get
  • cluster:admin/opendistro/ad/result/search
  • cluster:admin/opendistro/ad/result/topAnomalies
  • cluster:admin/opendistro/ad/tasks/search

Alerting permissions

See Alerting API.

  • cluster:admin/opendistro/alerting/alerts/ack
  • cluster:admin/opendistro/alerting/alerts/get
  • cluster:admin/opendistro/alerting/destination/delete
  • cluster:admin/opendistro/alerting/destination/email_account/delete
  • cluster:admin/opendistro/alerting/destination/email_account/get
  • cluster:admin/opendistro/alerting/destination/email_account/search
  • cluster:admin/opendistro/alerting/destination/email_account/write
  • cluster:admin/opendistro/alerting/destination/email_group/delete
  • cluster:admin/opendistro/alerting/destination/email_group/get
  • cluster:admin/opendistro/alerting/destination/email_group/search
  • cluster:admin/opendistro/alerting/destination/email_group/write
  • cluster:admin/opendistro/alerting/destination/get
  • cluster:admin/opendistro/alerting/destination/write
  • cluster:admin/opendistro/alerting/monitor/delete
  • cluster:admin/opendistro/alerting/monitor/execute
  • cluster:admin/opendistro/alerting/monitor/get
  • cluster:admin/opendistro/alerting/monitor/search
  • cluster:admin/opendistro/alerting/monitor/write

Asynchronous Search permissions

See Asynchronous search.

  • cluster:admin/opendistro/asynchronous_search/stats
  • cluster:admin/opendistro/asynchronous_search/delete
  • cluster:admin/opendistro/asynchronous_search/get
  • cluster:admin/opendistro/asynchronous_search/submit

Index State Management permissions

See ISM API.

  • cluster:admin/opendistro/ism/managedindex/add
  • cluster:admin/opendistro/ism/managedindex/change
  • cluster:admin/opendistro/ism/managedindex/remove
  • cluster:admin/opendistro/ism/managedindex/explain
  • cluster:admin/opendistro/ism/managedindex/retry
  • cluster:admin/opendistro/ism/policy/write
  • cluster:admin/opendistro/ism/policy/get
  • cluster:admin/opendistro/ism/policy/search
  • cluster:admin/opendistro/ism/policy/delete

Index rollups permissions

See Index rollups API.

  • cluster:admin/opendistro/rollup/index
  • cluster:admin/opendistro/rollup/get
  • cluster:admin/opendistro/rollup/search
  • cluster:admin/opendistro/rollup/delete
  • cluster:admin/opendistro/rollup/start
  • cluster:admin/opendistro/rollup/stop
  • cluster:admin/opendistro/rollup/explain

Reporting permissions

See Creating reports with the Dashboards interface.

  • cluster:admin/opendistro/reports/definition/create
  • cluster:admin/opendistro/reports/definition/update
  • cluster:admin/opendistro/reports/definition/on_demand
  • cluster:admin/opendistro/reports/definition/delete
  • cluster:admin/opendistro/reports/definition/get
  • cluster:admin/opendistro/reports/definition/list
  • cluster:admin/opendistro/reports/instance/list
  • cluster:admin/opendistro/reports/instance/get
  • cluster:admin/opendistro/reports/menu/download

Transform job permissions

See Transforms APIs

  • cluster:admin/opendistro/transform/index
  • cluster:admin/opendistro/transform/get
  • cluster:admin/opendistro/transform/preview
  • cluster:admin/opendistro/transform/delete
  • cluster:admin/opendistro/transform/start
  • cluster:admin/opendistro/transform/stop
  • cluster:admin/opendistro/transform/explain

Observability permissions

See Observability security.

  • cluster:admin/opensearch/observability/create
  • cluster:admin/opensearch/observability/update
  • cluster:admin/opensearch/observability/delete
  • cluster:admin/opensearch/observability/get

Cross-cluster replication

See Cross-cluster replication security.

  • cluster:admin/plugins/replication/autofollow/update

Reindex

See Reindex document.

  • cluster:admin/reindex/rethrottle

Snapshot repository permissions

See Snapshot APIs.

  • cluster:admin/repository/delete
  • cluster:admin/repository/get
  • cluster:admin/repository/put
  • cluster:admin/repository/verify

Reroute

See Cluster manager task throttling.

  • cluster:admin/reroute

Script permissions

See Script APIs.

  • cluster:admin/script/delete
  • cluster:admin/script/get
  • cluster:admin/script/put

Update settings permission

See Update settings on the Index APIs page.

  • cluster:admin/settings/update

Snapshot permissions

See Snapshot APIs.

  • cluster:admin/snapshot/create
  • cluster:admin/snapshot/delete
  • cluster:admin/snapshot/get
  • cluster:admin/snapshot/restore
  • cluster:admin/snapshot/status
  • cluster:admin/snapshot/status*

Task permissions

See Tasks in the API Reference section.

  • cluster:admin/tasks/cancel
  • cluster:admin/tasks/test
  • cluster:admin/tasks/testunblock

Security Analytics permissions

See API tools.

Permission Description
cluster:admin/opensearch/securityanalytics/alerts/get Permission to get alerts
cluster:admin/opensearch/securityanalytics/alerts/ack Permission to acknowledge alerts
cluster:admin/opensearch/securityanalytics/detector/get Permission to get detectors
cluster:admin/opensearch/securityanalytics/detector/search Permission to search detectors
cluster:admin/opensearch/securityanalytics/detector/write Permission to create and update detectors
cluster:admin/opensearch/securityanalytics/detector/delete Permission to delete detectors
cluster:admin/opensearch/securityanalytics/findings/get Permission to get findings
cluster:admin/opensearch/securityanalytics/mapping/get Permission to get field mappings by index
cluster:admin/opensearch/securityanalytics/mapping/view/get Permission to get field mappings by index and view mapped and unmapped fields
cluster:admin/opensearch/securityanalytics/mapping/create Permission to create field mappings
cluster:admin/opensearch/securityanalytics/mapping/update Permission to update field mappings
cluster:admin/opensearch/securityanalytics/rules/categories Permission to get all rule categories
cluster:admin/opensearch/securityanalytics/rule/write Permission to create and update rules
cluster:admin/opensearch/securityanalytics/rule/search Permission to search for rules
cluster:admin/opensearch/securityanalytics/rules/validate Permission to validate rules
cluster:admin/opensearch/securityanalytics/rule/delete Permission to delete rules

Monitoring permissions

Cluster permissions for monitoring the cluster apply to read-only operations, such as checking cluster health and getting information about usage on nodes or tasks running in the cluster.

See REST API reference.

  • cluster:monitor/allocation/explain
  • cluster:monitor/health
  • cluster:monitor/main
  • cluster:monitor/nodes/hot_threads
  • cluster:monitor/nodes/info
  • cluster:monitor/nodes/liveness
  • cluster:monitor/nodes/stats
  • cluster:monitor/nodes/usage
  • cluster:monitor/remote/info
  • cluster:monitor/state
  • cluster:monitor/stats
  • cluster:monitor/task
  • cluster:monitor/task/get
  • cluster:monitor/tasks/list

Index templates

The index template permissions are for indexes but apply globally to the cluster.

See Index templates.

  • indices:admin/index_template/delete
  • indices:admin/index_template/get
  • indices:admin/index_template/put
  • indices:admin/index_template/simulate
  • indices:admin/index_template/simulate_index

Index permissions

These permissions apply to an index or index pattern. You might want a user to have read access to all indices (i.e. *), but write access to only a few (e.g. web-logs and product-catalog).

  • indices:admin/aliases
  • indices:admin/aliases/exists
  • indices:admin/aliases/get
  • indices:admin/analyze
  • indices:admin/cache/clear
  • indices:admin/close
  • indices:admin/close*
  • indices:admin/create (create indices)
  • indices:admin/data_stream/create
  • indices:admin/data_stream/delete
  • indices:admin/data_stream/get
  • indices:admin/delete (delete indices)
  • indices:admin/exists
  • indices:admin/flush
  • indices:admin/flush*
  • indices:admin/forcemerge
  • indices:admin/get (retrieve index and mapping)
  • indices:admin/mapping/put
  • indices:admin/mappings/fields/get
  • indices:admin/mappings/fields/get*
  • indices:admin/mappings/get
  • indices:admin/open
  • indices:admin/plugins/replication/index/setup/validate
  • indices:admin/plugins/replication/index/start
  • indices:admin/plugins/replication/index/pause
  • indices:admin/plugins/replication/index/resume
  • indices:admin/plugins/replication/index/stop
  • indices:admin/plugins/replication/index/update
  • indices:admin/plugins/replication/index/status_check
  • indices:admin/refresh
  • indices:admin/refresh*
  • indices:admin/resolve/index
  • indices:admin/rollover
  • indices:admin/seq_no/global_checkpoint_sync
  • indices:admin/settings/update
  • indices:admin/shards/search_shards
  • indices:admin/shrink
  • indices:admin/synced_flush
  • indices:admin/template/delete
  • indices:admin/template/get
  • indices:admin/template/put
  • indices:admin/types/exists
  • indices:admin/upgrade
  • indices:admin/validate/query
  • indices:data/read/explain
  • indices:data/read/field_caps
  • indices:data/read/field_caps*
  • indices:data/read/get
  • indices:data/read/mget
  • indices:data/read/mget*
  • indices:data/read/msearch
  • indices:data/read/msearch/template
  • indices:data/read/mtv (multi-term vectors)
  • indices:data/read/mtv*
  • indices:data/read/plugins/replication/file_chunk
  • indices:data/read/plugins/replication/changes
  • indices:data/read/scroll
  • indices:data/read/scroll/clear
  • indices:data/read/search
  • indices:data/read/search*
  • indices:data/read/search/template
  • indices:data/read/tv (term vectors)
  • indices:data/write/bulk
  • indices:data/write/bulk*
  • indices:data/write/delete (delete documents)
  • indices:data/write/delete/byquery
  • indices:data/write/plugins/replication/changes
  • indices:data/write/index (add documents to existing indices)
  • indices:data/write/reindex
  • indices:data/write/update
  • indices:data/write/update/byquery
  • indices:monitor/data_stream/stats
  • indices:monitor/recovery
  • indices:monitor/segments
  • indices:monitor/settings/get
  • indices:monitor/shard_stores
  • indices:monitor/stats
  • indices:monitor/upgrade
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