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Discussion on: Clear saved HSTS pinnings in Safari and macOS

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pyrog profile image
Yves Pratter

Unfortunately, it doesn't work.
macOS 10.14.6 (18G95)

$ sudo rm -f ~/Library/Cookies/HSTS.plist
rm: /Users/yves/Library/Cookies/HSTS.plist: Operation not permitted

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hablutzel1 profile image
Jaime Hablutzel

See osxdaily.com/2018/10/09/fix-operat... before following the instructions on this post.