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  ARM Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life (Terry Pratchett, Jingo)

Safely reviving shared memory (Mozilla Hacks)

([Development] Jul 21, 2020 17:03 UTC (Tue) (corbet))


The Mozilla Hacks blog [1]covers some recent Firefox changes that will allow code from web sites to use shared memory and high-resolution timers in a (hopefully) safe manner. " Together with others in the WHATWG community, we designed a set of headers that meet these requirements. The Cross-Origin-Opener-Policy header allows you to process-isolate yourself from attackers. It also has the desirable effect that attackers cannot have access to your global object if they were to open you in a popup. This prevents XS-Leaks and various navigation attacks. Adopt this header even if you have no intention of using shared memory! "



[1] https://hacks.mozilla.org/2020/07/safely-reviving-shared-memory/

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In 1976 the European Economic Community pointed out to the Irish
Government that it had not yet implemented the agreed sex equality
legislation. The Dublin Government immediately advertised for an equal pay
enforcement officer. The advertisement offered different salary scales for
men and women.
-- Stephen Pile, "The Book of Heroic Failures"