Enable default legacy SameSite cookie behavior setting

Lets you revert all cookies to legacy SameSite behavior. Reverting to legacy behavior causes cookies that don't specify a SameSite attribute to be treated as if they were "SameSite=None", removes the requirement for "SameSite=None" cookies to carry the "Secure" attribute, and skips the scheme comparison when evaluating if two sites are same-site.

If you don't set this policy, the default SameSite behavior for cookies will depend on other configuration sources for the SameSite-by-default feature, the Cookies-without-SameSite-must-be-secure feature, and the Schemeful Same-Site feature. These features can also be configured by a field trial or the same-site-by-default-cookies flag, the cookies-without-same-site-must-be-secure flag, or the schemeful-same-site flag in edge://flags.

Policy options mapping:

* DefaultToLegacySameSiteCookieBehavior (1) = Revert to legacy SameSite behavior for cookies on all sites

* DefaultToSameSiteByDefaultCookieBehavior (2) = Use SameSite-by-default behavior for cookies on all sites

Use the preceding information when configuring this policy.

Støttes av: Microsoft Edge version 80, Windows 7 or later

Enable default legacy SameSite cookie behavior setting


  1. Revert to legacy SameSite behavior for cookies on all sites
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Edge
    Value NameLegacySameSiteCookieBehaviorEnabled
    Value TypeREG_DWORD
    Value1
  2. Use SameSite-by-default behavior for cookies on all sites
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Edge
    Value NameLegacySameSiteCookieBehaviorEnabled
    Value TypeREG_DWORD
    Value2


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