Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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Hi!
Sometimes (random) we are receiving an error message from the getOAuth2LoginRequest method (/admin/oauth2/auth/requests/login) with this error message:

`{`
  `"error": {`
    `"code": "400",`
    `"details": {`
      `"ruleId": "b773ea8c"`
    `},`
    `"message": "Blocked",`
    `"reason": "Request has been marked as malicious.",`
    `"status": "Bad Request"`
  `}`
`}`

Could you please tell me how I can prevent this from happening? We are using a custom ui and a custom domain. With custom OAuth2 login+consent handlers.

Hey Marc,
sent this over to SRE who are managing our Cloudflare rules, they are looking into it.

<@U011D3UQKNY> <@U010UKXCPP0> It seems that the problem is getting worse and worse. We now get this error message at least once every 10-30 minutes. The login does not work and the end users are already complaining.

Could you please give me some feedback as soon as possible?

hi there! can you send me the slug/domain you are using? This rule responds if a request is marked as malicious (for example contains remote code execution)