standard
Quick facts
Description
standard
Syntax
Set-Cookie: session=abc123; Path=/; HttpOnly
Related status codes
Related headers
Frequently asked questions
standard
It is classified as a response header and can appear in requests or responses depending on context.
Sources & standards
Updated 2026-09-13
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This page provides original, human-reviewed information about HTTP headers such as Set-Cookie, the HTTP Header Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
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