Backport SameSite=None cookie from upstream to support latest browsers

Solution Verified - Updated -

Issue

  • We need a version (fix) of mod_auth_mellon.so for (RHEL 7) that supports MellonCookieSameSite None.
  • With Chrome 80, Chrome will treat cookies that have no declared SameSite value as SameSite=Lax cookies. Only cookies with the SameSite=None; Secure setting will be available for external access, provided they are being accessed from secure connections.
    In mellon, this could prevent 3rd party IDPs from being accessed, see the upstream commit

Environment

  • Red Hat Enterprise Linux (RHEL)
    • 8
    • 7

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