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docs: add DESCRIBE_CONFIGS to migrator source topic ACLs #1770

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Feediver1 merged 2 commits into from
Jun 25, 2026
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docs: add DESCRIBE_CONFIGS to migrator source topic ACLs #1770

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docs: add DESCRIBE_CONFIGS to migrator source topic ACLs
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8 changes: 5 additions & 3 deletions modules/manage/pages/schema-reg/schema-reg-authorization.adoc
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Expand Up @@ -269,9 +269,11 @@ This grants:
====
**Schema Registry ACLs are only for Schema Registry operations.** For complete data migration, you must also use Kafka ACLs:

* **Topics:** READ (source), WRITE/CREATE/DESCRIBE/ALTER (target)
* **Consumer groups:** READ (source), CREATE/READ (target)
* **Cluster:** DESCRIBE (both), CREATE (target)
* **Topics:** `READ`, `DESCRIBE_CONFIGS` (source); `WRITE`/`CREATE`/`DESCRIBE`/`ALTER`/`DESCRIBE_CONFIGS` (target)
* **Consumer groups:** `READ` (source), `CREATE`/`READ` (target)
* **Cluster:** `DESCRIBE` (both), `CREATE` (target)

`READ` on a topic implicitly grants `DESCRIBE`, but not `DESCRIBE_CONFIGS`. Redpanda Migrator reads each source topic's configuration (`DESCRIBE_CONFIGS`) to recreate it on the target, so a consumer-only ACL on the source is not sufficient: without `DESCRIBE_CONFIGS` on the source topics, topic creation fails with `TOPIC_AUTHORIZATION_FAILED`.

See xref:manage:security/authorization/acl.adoc[Configure Access Control Lists] for Kafka ACL configuration.
====
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