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Status:

PROPOSED STANDARD

Author:

P. McManus

Stream:

IETF

Source:

httpbis (wit)

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DOI:  https://doi.org/10.17487/RFC8246

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Abstract

The immutable HTTP response Cache-Control extension allows servers toidentify resources that will not be updated during their freshnesslifetime. This ensures that a client never needs to revalidate acached fresh resource to be certain it has not been modified.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.