# \#authorization

**URL:** https://community.auth0.com/tag/authorization/334.md

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## [Built something after asking how teams triage CIAM failures-does this match what you actually need?](https://community.auth0.com/t/built-something-after-asking-how-teams-triage-ciam-failures-does-this-match-what-you-actually-need/202581)

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**Author:** [@Ayushi9996](https://community.auth0.com/u/Ayushi9996)\
**Replies:** 3\
**Last updated:** [September 26, 2026, 12:28pm UTC](https://community.auth0.com/t/built-something-after-asking-how-teams-triage-ciam-failures-does-this-match-what-you-actually-need/202581 "2026-09-26T12:28:23Z")

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A few months ago I posted asking how teams distinguish authn vs authz vs app-config failures: community.auth0.com/t/how-do-you-triage-doesnt-work-issues… The replies - particularly around the “30-minute triage tax” and…

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## [Sanity-checking a few log event interpretations : fsa, api\_limit, consent\_required](https://community.auth0.com/t/sanity-checking-a-few-log-event-interpretations-fsa-api-limit-consent-required/202313)

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**Author:** [@Ayushi9996](https://community.auth0.com/u/Ayushi9996)\
**Replies:** 4\
**Last updated:** [August 7, 2026, 4:38pm UTC](https://community.auth0.com/t/sanity-checking-a-few-log-event-interpretations-fsa-api-limit-consent-required/202313 "2026-08-07T16:38:42Z")

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Been deep in Auth0 logs lately and worked a few things out the hard way. Posting to check I’ve got them right. fsa — I first read these as auth failures. Now I think they’re almost always third-party cookie blocking (Sa…

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## [Enable outbound SCIM provisioning to sync users and roles from Auth0 to a third-party application](https://community.auth0.com/t/enable-outbound-scim-provisioning-to-sync-users-and-roles-from-auth0-to-a-third-party-application/182503)

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**Author:** [@sarthak.sahoo](https://community.auth0.com/u/sarthak.sahoo)\
**Replies:** 3\
**Last updated:** [July 2, 2026, 9:48am UTC](https://community.auth0.com/t/enable-outbound-scim-provisioning-to-sync-users-and-roles-from-auth0-to-a-third-party-application/182503 "2026-07-02T09:48:11Z")

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Currently, the platform supports inbound SCIM provisioning, allowing external Identity Providers to sync users into the system. However, there is no native support for outbound SCIM provisioning, which would enable organ…

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## [Why Broken Access Control Still Dominates the OWASP Top 10 in 2026?](https://community.auth0.com/t/why-broken-access-control-still-dominates-the-owasp-top-10-in-2026/196513)

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**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [January 23, 2026, 9:01am UTC](https://community.auth0.com/t/why-broken-access-control-still-dominates-the-owasp-top-10-in-2026/196513 "2026-01-23T09:01:41Z")

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Explore why Broken Access Control remains the #1 OWASP risk in 2026. Learn how to bridge the gap between authentication and authorization using FGA and Policy as Code.

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## [Dealing With Non-Human Identities](https://community.auth0.com/t/dealing-with-non-human-identities/191634)

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**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [September 9, 2025, 9:11am UTC](https://community.auth0.com/t/dealing-with-non-human-identities/191634 "2025-09-09T09:11:52Z")

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“Isn’t Non-Human Identities just a fancy new name for machine identities, service accounts, or application identities?” You’re not wrong—they are all part of the same family. But the term “Non-Human Identity” highlights …

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## [Fine-Grained Authorization in ASP.NET Core with Auth0 FGA](https://community.auth0.com/t/fine-grained-authorization-in-asp-net-core-with-auth0-fga/191501)

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**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [September 5, 2025, 9:37am UTC](https://community.auth0.com/t/fine-grained-authorization-in-asp-net-core-with-auth0-fga/191501 "2025-09-05T09:37:12Z")

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Learn how to enhance authorization control in ASP.NET Core using Auth0’s Fine-Grained Authorization (FGA).

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## [A feature to send email notifications when MAU usage reaches 80% of the limit](https://community.auth0.com/t/a-feature-to-send-email-notifications-when-mau-usage-reaches-80-of-the-limit/188881)

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**Author:** [@fujii.takayuki](https://community.auth0.com/u/fujii.takayuki)\
**Replies:** 1\
**Last updated:** [July 22, 2025, 5:39pm UTC](https://community.auth0.com/t/a-feature-to-send-email-notifications-when-mau-usage-reaches-80-of-the-limit/188881 "2025-07-22T17:39:23Z")

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Feature: Provide a short title of your feature request/feedback. A feature to send email notifications when MAU usage reaches 80% of the limit. Description: Give us some details about your feedback/feature request. Ex…

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## [RFC 7636 violation - Weak enforcement of PKCE parameters in OAuth 2.0 implementation](https://community.auth0.com/t/rfc-7636-violation-weak-enforcement-of-pkce-parameters-in-oauth-2-0-implementation/187016)

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**Author:** [@manish.singh](https://community.auth0.com/u/manish.singh)\
**Replies:** 2\
**Last updated:** [July 15, 2025, 8:54am UTC](https://community.auth0.com/t/rfc-7636-violation-weak-enforcement-of-pkce-parameters-in-oauth-2-0-implementation/187016 "2025-07-15T08:54:28Z")

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Feature: Strict enforcement of PKCE parameters in OAuth 2.0 implementation Description: PKCE ( Proof Key for Code Exchange) was introduced as an extension to OAuth 2.0 to mitigate risk of authorization code interception…

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## [Best Practice Question: Managing system bloat due to “Private by Default” approach on asset uploads](https://community.auth0.com/t/best-practice-question-managing-system-bloat-due-to-private-by-default-approach-on-asset-uploads/188906)

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**Author:** [@projectaddons.com](https://community.auth0.com/u/projectaddons.com)\
**Replies:** 1\
**Last updated:** [July 8, 2025, 3:56pm UTC](https://community.auth0.com/t/best-practice-question-managing-system-bloat-due-to-private-by-default-approach-on-asset-uploads/188906 "2025-07-08T15:56:30Z")

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Hello FGA Support Team, We are implementing Fine-Grained Authorization (FGA) on our Digital Asset Management (DAM) platform. Our model includes roles, permissions, users, and teams to control access to assets, folders,…

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## [B2B SaaS Identity Challenges: Granular Access Control](https://community.auth0.com/t/b2b-saas-identity-challenges-granular-access-control/188224)

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**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [June 20, 2025, 4:19pm UTC](https://community.auth0.com/t/b2b-saas-identity-challenges-granular-access-control/188224 "2025-06-20T16:19:53Z")

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Let’s continue to delve into the issues of Identity support in implementing B2B SaaS applications by exploring access control in this second article of the “B2B SaaS Identity Challenges” series.

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## [Secure Java AI Agents: Authorization for RAG Using LangChain4j and Auth0 FGA](https://community.auth0.com/t/secure-java-ai-agents-authorization-for-rag-using-langchain4j-and-auth0-fga/187544)

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**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 0\
**Last updated:** [June 3, 2025, 4:54pm UTC](https://community.auth0.com/t/secure-java-ai-agents-authorization-for-rag-using-langchain4j-and-auth0-fga/187544 "2025-06-03T16:54:48Z")

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Learn how to implement fine-grained authorization in Java RAG systems using LangChain4j and Auth0 FGA to secure your AI applications. Read more… :writing\_hand:t2: Brought to you by @deepu

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## [Handling the Dual-Write Problem in Distributed Systems](https://community.auth0.com/t/handling-the-dual-write-problem-in-distributed-systems/186732)

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**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [May 14, 2025, 4:22pm UTC](https://community.auth0.com/t/handling-the-dual-write-problem-in-distributed-systems/186732 "2025-05-14T16:22:26Z")

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The dual-write problem exists in distributed systems. Let’s look at what it is and some of the most common strategies to mitigate it using authorization as an example. Read more… :writing\_hand:t2: Brought to you by @ca…

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## [Authentication, Authorization, and Accounting For Developers](https://community.auth0.com/t/authentication-authorization-and-accounting-for-developers/183083)

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**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [February 28, 2025, 9:48pm UTC](https://community.auth0.com/t/authentication-authorization-and-accounting-for-developers/183083 "2025-02-28T21:48:05Z")

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AAA (Authentication, Authorization, Accounting) helps developers secure web apps by verifying users, controlling access, and tracking actions. Read more…

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## [Authentication and Authorization For Developers Who Build at Global Scale](https://community.auth0.com/t/authentication-and-authorization-for-developers-who-build-at-global-scale/182600)

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**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [February 21, 2025, 4:22pm UTC](https://community.auth0.com/t/authentication-and-authorization-for-developers-who-build-at-global-scale/182600 "2025-02-21T16:22:11Z")

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For developers tasked with building global applications, choosing the right authentication solution is crucial. Auth0’s ability to bridge the gap between enterprise and consumer needs makes it a standout choice in the cr…

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## [How To Evaluate Resource-Specific Permissions Efficiently with ReBAC instead of RBAC](https://community.auth0.com/t/how-to-evaluate-resource-specific-permissions-efficiently-with-rebac-instead-of-rbac/170130)

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**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [January 24, 2025, 7:19pm UTC](https://community.auth0.com/t/how-to-evaluate-resource-specific-permissions-efficiently-with-rebac-instead-of-rbac/170130 "2025-01-24T19:19:40Z")

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Learn how the ReBAC authorization model overcomes RBAC when it comes to evaluate permissions on a specific resource. Read more… :writing\_hand:t2: Brought to you by @tylernix

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## [Scope Added to the role is not getting assigned to the user with that role](https://community.auth0.com/t/scope-added-to-the-role-is-not-getting-assigned-to-the-user-with-that-role/109053)

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**Author:** [@gaurav1](https://community.auth0.com/u/gaurav1)\
**Replies:** 2\
**Last updated:** [June 16, 2023, 11:35am UTC](https://community.auth0.com/t/scope-added-to-the-role-is-not-getting-assigned-to-the-user-with-that-role/109053 "2023-06-16T11:35:09Z")

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I am assigning scope to the particular role by calling auth0 api from the C# .net project. And, scope is assigned correctly to the role. But, the problem is that, the scope is not getting assigned to the user with that r…

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## [FastAPI/Python API: Authorization Code Sample](https://community.auth0.com/t/fastapi-python-api-authorization-code-sample/99181)

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**Author:** [@byron.motoche](https://community.auth0.com/u/byron.motoche)\
**Replies:** 12\
**Last updated:** [April 27, 2023, 2:40pm UTC](https://community.auth0.com/t/fastapi-python-api-authorization-code-sample/99181 "2023-04-27T14:40:38Z")

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This Python code sample demonstrates how to implement authorization in a FastAPI server using Auth0.

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## [Invite flow error =\> User already exists { one connection, one application, multiple organisations }](https://community.auth0.com/t/invite-flow-error-user-already-exists-one-connection-one-application-multiple-organisations/94365)

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**Author:** [@dhiraj.saini](https://community.auth0.com/u/dhiraj.saini)\
**Replies:** 3\
**Last updated:** [February 24, 2023, 8:29am UTC](https://community.auth0.com/t/invite-flow-error-user-already-exists-one-connection-one-application-multiple-organisations/94365 "2023-02-24T08:29:42Z")

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We are using auth0 multi-tenant approach i.e. having multiple organizations where each act as a single tenant, to allow a user to use the same credentials(same email with username-password-connection) to log in to differ…

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## [AuthHttpInterceptor doesn't add token to authorization header - Error 401 unauthorized - Angular](https://community.auth0.com/t/authhttpinterceptor-doesnt-add-token-to-authorization-header-error-401-unauthorized-angular/97652)

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**Author:** [@antonia7](https://community.auth0.com/u/antonia7)\
**Replies:** 1\
**Last updated:** [January 13, 2023, 2:32pm UTC](https://community.auth0.com/t/authhttpinterceptor-doesnt-add-token-to-authorization-header-error-401-unauthorized-angular/97652 "2023-01-13T14:32:27Z")

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Hi everyone, I need help with a problem adding token to the authorization header in an Angular HttpClient call, the token doesn’t work and I get a 401 “unauthorized” error. I followed this documentation to implement the…

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## [httpInterceptor does not add authorization header](https://community.auth0.com/t/httpinterceptor-does-not-add-authorization-header/99049)

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**Author:** [@guillaume.canu78](https://community.auth0.com/u/guillaume.canu78)\
**Replies:** 3\
**Last updated:** [January 31, 2023, 11:45pm UTC](https://community.auth0.com/t/httpinterceptor-does-not-add-authorization-header/99049 "2023-01-31T23:45:47Z")

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Hello, I know this topics has been asked many times already but I did not find a solution. I followed all steps from Auth0 turials to add Auth0 authentication on an Angular App, but after many hours, I can’t do a reques…

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## [How can I scope a user's role to a specific instance of a resource?](https://community.auth0.com/t/how-can-i-scope-a-users-role-to-a-specific-instance-of-a-resource/96033)

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**Author:** [@mattcouts](https://community.auth0.com/u/mattcouts)\
**Replies:** 1\
**Last updated:** [December 8, 2022, 3:51pm UTC](https://community.auth0.com/t/how-can-i-scope-a-users-role-to-a-specific-instance-of-a-resource/96033 "2022-12-08T15:51:11Z")

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I have an application that displays information about upcoming events (a birthday party, for example). For any event, a user should be able to serve as either a PARTICIPANT or ADMIN (these are the two application roles) …

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## [Extending Authorization Extension storage using S3](https://community.auth0.com/t/extending-authorization-extension-storage-using-s3/91570)

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**Author:** [@hnair](https://community.auth0.com/u/hnair)\
**Replies:** 1\
**Last updated:** [September 30, 2022, 4:15pm UTC](https://community.auth0.com/t/extending-authorization-extension-storage-using-s3/91570 "2022-09-30T16:15:35Z")

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Hi! We’ve been using the authorization extension for RBAC and are reaching the storage limit of 500kb. I’ve seen mentions in Auth0 documentation and in community posts about extending the storage using S3 but can’t find…

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## [Role assignment with resource filters](https://community.auth0.com/t/role-assignment-with-resource-filters/51288)

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**Author:** [@sanjeevchopra](https://community.auth0.com/u/sanjeevchopra)\
**Replies:** 6\
**Last updated:** [July 29, 2022, 11:58am UTC](https://community.auth0.com/t/role-assignment-with-resource-filters/51288 "2022-07-29T11:58:17Z")

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Hello, I have seen Kim Maida’s posts on RBAC and Authorization extension. Wanted to know if Auth0 is considering the use case of resource filtering. Specifically, let’s say a group of users has role Device Operator, …

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## [How should I implement an "ownership" based access token authorization?](https://community.auth0.com/t/how-should-i-implement-an-ownership-based-access-token-authorization/86997)

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**Author:** [@alexandru.dan](https://community.auth0.com/u/alexandru.dan)\
**Replies:** 1\
**Last updated:** [July 15, 2022, 1:27pm UTC](https://community.auth0.com/t/how-should-i-implement-an-ownership-based-access-token-authorization/86997 "2022-07-15T13:27:47Z")

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So in my website, after the user logs in, they can create projects. In the home screen are displayed all the projects from all the users like a showcase and everyone can enter on every project and see what the creator is…

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## [Authorization for specific functions](https://community.auth0.com/t/authorization-for-specific-functions/85858)

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**Author:** [@daito](https://community.auth0.com/u/daito)\
**Replies:** 1\
**Last updated:** [June 28, 2022, 5:18pm UTC](https://community.auth0.com/t/authorization-for-specific-functions/85858 "2022-06-28T17:18:59Z")

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Hello, We are looking at ways that we provide only an authority of specific function setting. Is it possible to provide only an authority that can change setting of Passwordless login to a user? ・Applications＞Connectio…

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## [Auth0 authorize\_redirect not working](https://community.auth0.com/t/auth0-authorize-redirect-not-working/82475)

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**Author:** [@harry6](https://community.auth0.com/u/harry6)\
**Replies:** 4\
**Last updated:** [May 6, 2022, 6:02pm UTC](https://community.auth0.com/t/auth0-authorize-redirect-not-working/82475 "2022-05-06T18:02:16Z")

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Hi. I am attempting to force a re login when a session expires. My application is written in dash and uses flask as well as auth0 for authorisation. I have set the session expiry time in both Auth0 and flask. When an ac…

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## [NestJS + Graphql + Authorization RBAC: How can I manage roles, groups and permissions(create/read/etc) in backend?](https://community.auth0.com/t/nestjs-graphql-authorization-rbac-how-can-i-manage-roles-groups-and-permissions-create-read-etc-in-backend/81550)

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**Author:** [@ValchanOficial](https://community.auth0.com/u/ValchanOficial)\
**Replies:** 12\
**Last updated:** [April 13, 2022, 6:19pm UTC](https://community.auth0.com/t/nestjs-graphql-authorization-rbac-how-can-i-manage-roles-groups-and-permissions-create-read-etc-in-backend/81550 "2022-04-13T18:19:25Z")

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How can I manage roles, groups and permissions(create/read/etc) in backend? without needed to access in website. Thank you.

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## [401/403 (unauthorized\_client w/grant type client\_credentials) when requesting token for M2M client](https://community.auth0.com/t/401-403-unauthorized-client-w-grant-type-client-credentials-when-requesting-token-for-m2m-client/80954)

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**Author:** [@joelp](https://community.auth0.com/u/joelp)\
**Replies:** 3\
**Last updated:** [April 6, 2022, 5:37pm UTC](https://community.auth0.com/t/401-403-unauthorized-client-w-grant-type-client-credentials-when-requesting-token-for-m2m-client/80954 "2022-04-06T17:37:11Z")

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I’m sure I’m doing something simple wrong here but I can’t request a token for my M2M client no matter what I try. If I submit my POST request with raw JSON I get a 401 access denied. If I submit my params as application…

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## [Authorization Series — Pt 2: Securing HTTP APIs with RBAC rules](https://community.auth0.com/t/authorization-series-pt-2-securing-http-apis-with-rbac-rules/29128)

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**Author:** [@ramiro](https://community.auth0.com/u/ramiro)\
**Replies:** 9\
**Last updated:** [September 7, 2020, 11:15am UTC](https://community.auth0.com/t/authorization-series-pt-2-securing-http-apis-with-rbac-rules/29128 "2020-09-07T11:15:49Z")

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In this article, you will learn how you can leverage Auth0’s RBAC (Role-Based Access Control) feature to handle end-user authorization in your APIs. Read on :raising\_hands: Brought to you by @bruno.krebs :man\_technolog…

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## [Authorization extension update to node 16, migration to actions](https://community.auth0.com/t/authorization-extension-update-to-node-16-migration-to-actions/68835)

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**Author:** [@AK47](https://community.auth0.com/u/AK47)\
**Replies:** 1\
**Last updated:** [September 1, 2021, 4:16pm UTC](https://community.auth0.com/t/authorization-extension-update-to-node-16-migration-to-actions/68835 "2021-09-01T16:16:11Z")

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Hi, We’re getting notifications from Auth0 that the Node 8 runtime we’re using has been deprecated and the functionality provided by rules and hooks should be implemented by actions from now on. We’re using the authori…

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