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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Second question: When using Oathkeeper as a reverse proxy, is there a way to prevent certain headers from being forwarded to upstream (eg. X-User)? Is the only way to enable the header mutator and specify the X-User header be set to something else?