[media-types] [IANA #1448906] application/vnd.rego reg istration request

Hi Alexey,

Sending a reminder for this request from March 31st.

thanks,
Amanda

On Tue Mar 31 18:47:07 2026, amanda.baber wrote:
> Hi Alexey,
> 
> Would you be able to review this new request by April 14th?
> 
> thanks,
> Amanda
> 
> =====
> 
> Name: Amaury Chamayou
> 
> Email: [email protected]
> 
> Media type name: application
> 
> Media subtype name: vnd.rego
> 
> Required parameters: N/A
> 
> Optional parameters: N/A
> 
> Encoding considerations: 8bit
> 
> Security considerations: Rego Policies are intended to be parsed,
> validated, and evaluated by the recipient; however, they may be
> rejected for the following reasons:
> 
> a) The sender is not trusted
> b) The policy is too long
> c) The policy is not syntactically or semantically valid
> d) The policy refers to unsupported features by the host
> 
> A Rego parser, checker, and runtime must be integrated into the host
> for a policy to be able to be evaluated against inputs. The language
> itself is not Turing complete, but integrators must take steps to
> ensure policy evaluation does not exceed acceptable compute and memory
> constraints.
> 
> Since the text can contains free-form string literals, it is possible
> the policy contains sensitive information.
> 
> Policies should be sent over TLS, or a similar encrypted and
> integrity-protected channel to the host, to avoid possible tampering
> during transit, and unauthorized disclosure of information to third
> parties.
> Within a local filesystem or access-controlled server, policies may be
> stored in plain text.
> 
> Interoperability considerations: The contents of this file are
> expected to be UTF-8 encoded.
> 
> Published specification: https://www.openpolicyagent.org/docs/policy-
> language
> 
> Applications which use this media: Rego is used to enforce policies in
> microservices, Kubernetes, CI/CD pipelines, API gateways, Transparency
> Services etc.
> 
> Fragment identifier considerations: N/A
> 
> Restrictions on usage: No restrictions
> 
> Provisional registration? (standards tree only): No
> 
> Additional information:
> 
> 1. Deprecated alias names for this type: N/A
> 2. Magic number(s): N/A
> 3. File extension(s): .rego
> 4. Macintosh file type code: N/A
> 5. Object Identifiers: N/A
> 
> General Comments:
> 
> Person to contact for further information:
> 
> 1. Name: Anders Eknert
> 2. Email: [email protected]
> 
> Intended usage: COMMON
> 
> Author/Change controller: Open Policy Agent
> (https://github.com/open-policy-agent/opa/blob/main/GOVERNANCE.md,
> https://github.com/open-policy-agent/opa/blob/main/MAINTAINERS.md)

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