Solving the New-Enemy Problem with SpiceDB Zookies
Learn how SpiceDB uses Zookies (consistency tokens) to solve the 'New-Enemy Problem' and ensure causal consistency in distributed relationship-based access control.
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spicedbImplementing Fine-Grained Access Control with Ory Keto
Decouple authorization from your code using Ory Keto's relation-based access control (ReBAC). Learn how to use relation tuples and the Check API to manage fine-grained permissions.
orySpiceDB Zookies: The Key to Preventing New‑Enemy Attacks in ReBAC
SpiceDB’s Zookies are the safety net that guarantees causal consistency in a distributed ReBAC system. Learn how to use them to prevent New‑Enemy attacks, with a concrete schema example, write‑and‑check workflow, and best‑practice checklist.
SpiceDB CheckPermission: How Schema Tuples Decide a Request
CheckPermission answers one question: does this subject have this permission on this resource? A worked schema, tuple writes, the rewrite-tree mechanism, and the mistakes that produce wrong answers.
Designing Efficient Permission Inheritance in SpiceDB
Learn how to design recursive tuple schemas in SpiceDB, test inheritance with the spdb CLI, and evaluate latency trade‑offs for production.