W3C · Content Security Policy Level 3
The IANA CSP registry lists sixteen names in this snapshot with CSP2 references. The guide distinguishes that registry from fallback chains published in the CSP3 Working Draft dated 16 September 2026.
CSP: 지시문, 대체 규칙 및 흐름
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IANA and W3C: distinct roles in CSP review
IANA registration does not demonstrate browser enforcement. Twelve fetch chains, three independent checks and eight scenarios help distinguish name, fallback, mode and delivery without testing an external site.
Read CSP fallback orders and explore eight scenarios →
IANA · Content Security Policy Directives · Registry updated 2023-02-03 · consulted 2026-10-23
W3C · Content Security Policy Level 3 · Mike West, Antonio Sartori · Working Draft · 2026-09-16 · work in progress · §2.2.1, §3, §6.8.3–6.8.4, §8.1
