Ory Keto is the first and most popular open source implementation of “Zanzibar:
Google’s Consistent, Global Authorization System”. It provides a scalable,
performant authorization server for managing permissions at scale.
What is Ory Keto?
Ory Keto is an open source implementation of “Zanzibar: Google’s Consistent,
Global Authorization System”. It follows
cloud architecture best practices
and focuses on:
- Scalable permission checks based on the Zanzibar model
- The Ory Permission Language for defining access control policies
- Relationship-based access control (ReBAC)
- Low latency permission checks (sub-10ms)
- Horizontal scaling to billions of relationships
- Consistency and high availability
We recommend starting with the
Ory Keto introduction docs to learn more about
its architecture, feature set, and how it compares to other systems.
Why Ory Keto
Ory Keto is designed to:
- Implement Google’s Zanzibar authorization model at scale
- Provide low-latency permission checks for billions of relationships
- Support the Ory Permission Language for flexible access control
- Work with any identity provider through integration points
- Scale horizontally without effort
- Fit into modern cloud native environments such as Kubernetes and managed
platforms
Deployment options
You can run Ory Keto in two main ways:
- As a managed service on the Ory Network
- As a self hosted service under your own control, with or without the Ory
Enterprise License
Use Ory Keto on the Ory Network
The Ory Network is the fastest way to use Ory
services in production. Ory Permissions is powered by the open source Ory
Keto server and is API compatible.
The Ory Network provides:
- Low latency permission checks based on Google’s Zanzibar model with built-in
support for the Ory Permission Language
- Identity and credential management that scales to billions of users and
devices
- Registration, login, and account management flows for passkeys, biometrics,
social login, SSO, and multi factor authentication
- OAuth2 and OpenID Connect for single sign on, API access, and machine to
machine authorization
- GDPR friendly storage with data locality and compliance in mind
- Web based Ory Console and Ory CLI for administration and operations
- Cloud native APIs compatible with the open source servers
- Fair, usage based pricing
Sign up for a
free developer account
to get started.
Self-host Ory Keto
You can run Ory Keto yourself for full control over infrastructure, deployment,
and customization.
The install guide explains how to:
- Install Keto on Linux, macOS, Windows, and Docker
- Configure databases such as PostgreSQL, MySQL, and CockroachDB
- Deploy to Kubernetes and other orchestration systems
- Build Keto from source
This guide uses the open source distribution to get you started without license
requirements. It is a great fit for individuals, researchers, hackers, and
companies that want to experiment, prototype, or run unimportant workloads
without SLAs. You get the full core engine, and you are free to inspect, extend,
and build it from source.
If you run Keto as part of a business-critical system, you should use a
commercial agreement to reduce operational and security risk. The Ory
Enterprise License (OEL) layers on top of self-hosted Keto and provides:
- Additional enterprise features that are not available in the open source
version
- Regular security releases, including CVE patches, with service level
agreements
- Support for advanced scaling, multi-tenancy, and complex deployments
- Premium support options with SLAs, direct access to engineers, and onboarding
help
- Access to a private Docker registry with frequent and vetted, up-to-date
enterprise builds
For guaranteed CVE fixes, current enterprise builds, advanced features, and
support in production, you need a valid
Ory Enterprise License and access
to the Ory Enterprise Docker registry. To learn more,
contact the Ory team.
Quickstart
Install the Ory CLI and
create a new project to try Ory Permissions.
# Install the Ory CLI if you do not have it yet:
bash <(curl https://raw.githubusercontent.com/ory/meta/master/install.sh) -b . ory
sudo mv ./ory /usr/local/bin/
# Sign in or sign up
ory auth
# Create a new project
ory create project --create-workspace "Ory Open Source" --name "GitHub Quickstart" --use-project
Create a namespace with the Ory Permission Language:
# Write a simple configuration with one namespace
echo "class Document implements Namespace {}" > config.ts
# Apply that configuration
ory patch opl -f file://./config.ts
# Create a relationship that grants tom access to a document
echo "Document:secret#read@tom" \
| ory parse relation-tuples --format=json - \
| ory create relation-tuples -
# List all relationships
ory list relation-tuples
# Check if tom can read the document
ory check permission Document:secret read tom
Who is using Ory Keto
The Ory community stands on the shoulders of individuals, companies, and
maintainers. The Ory team thanks everyone involved - from submitting bug reports
and feature requests, to contributing patches and documentation. The Ory
community counts more than 50.000 members and is growing. The Ory stack protects
7.000.000.000+ API requests every day across thousands of companies. None of
this would have been possible without each and everyone of you!
The following list represents companies that have accompanied us along the way
and that have made outstanding contributions to our ecosystem. If you think
that your company deserves a spot here, reach out to
[email protected] now!
Many thanks to all individual contributors
Ecosystem
We build Ory on several guiding principles when it comes to our architecture
design:
- Minimal dependencies
- Runs everywhere
- Scales without effort
- Minimize room for human and network errors
Ory’s architecture is designed to run best on a Container Orchestration system
such as Kubernetes, CloudFoundry, OpenShift, and similar projects. Binaries are
small (5-15MB) and available for all popular processor types (ARM, AMD64, i386)
and operating systems (FreeBSD, Linux, macOS, Windows) without system
dependencies (Java, Node, Ruby, libxml, …).
Ory Kratos: Identity and User Infrastructure and Management
Ory Kratos is an API-first Identity and User
Management system that is built according to
cloud architecture best practices.
It implements core use cases that almost every software application needs to
deal with: Self-service Login and Registration, Multi-Factor Authentication
(MFA/2FA), Account Recovery and Verification, Profile, and Account Management.
Ory Hydra: OAuth2 & OpenID Connect Server
Ory Hydra is an OpenID Certified™ OAuth2 and
OpenID Connect Provider which easily connects to any existing identity system by
writing a tiny “bridge” application. It gives absolute control over the user
interface and user experience flows.
Ory Oathkeeper: Identity & Access Proxy
Ory Oathkeeper is a BeyondCorp/Zero Trust
Identity & Access Proxy (IAP) with configurable authentication, authorization,
and request mutation rules for your web services: Authenticate JWT, Access
Tokens, API Keys, mTLS; Check if the contained subject is allowed to perform the
request; Encode resulting content into custom headers (X-User-ID), JSON Web
Tokens and more!
Ory Keto: Access Control Policies as a Server
Ory Keto is a policy decision point. It uses a
set of access control policies, similar to AWS IAM Policies, in order to
determine whether a subject (user, application, service, car, …) is authorized
to perform a certain action on a resource.
Documentation
The full Ory Keto documentation is available at
www.ory.com/docs/keto, including:
For upgrading and changelogs, check UPGRADE.md and
CHANGELOG.md.
Developing Ory Keto
See DEVELOP.md for information on:
- Contribution guidelines
- Prerequisites
- Install from source
- Running tests
- Build Docker image
Security
Disclosing vulnerabilities
If you think you found a security vulnerability, please refrain from posting it
publicly on the forums, the chat, or GitHub. You can find all info for
responsible disclosure in our
security.txt.
Telemetry
Our services collect summarized, anonymized data that can optionally be turned
off. Click here to learn more.
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