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Preview of Dev Headers

Dev Headers by Craig Francis

Checks website security headers exist, formats the Content-Security-Policy (CSP) and Feature-Policy (FP) headers into an easy to read table, makes suggestions and sets a header for websites with a key that could be used to enable a debug mode.

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Resource overview pageContent Security Page, with no recomendations.Content Security Page, with recomendations.
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Required permissions:

  • Access browser tabs
  • Access your data for all web sites
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Version
1.0.2
Size
79.62 kB
Last updated
5 years ago (7 May 2020)
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Licence
MIT Licence
Version History
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Release notes for 1.0.2
Removed use of "trustedTypes.getPolicyNames()", as this has been removed from the latest Trusted Types spec (https://github.com/w3c/webappsec-trusted-types/issues/235)
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