matrix.grapheneos.org/nginx/snippets/security-headers.conf
2021-12-10 04:31:03 -05:00

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add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
add_header X-Content-Type-Options "nosniff" always;
add_header Referrer-Policy "no-referrer" always;
add_header Cross-Origin-Opener-Policy "same-origin" always;
add_header Cross-Origin-Embedder-Policy "require-corp" always;
# obsolete when client system time is correct
add_header Expect-CT "enforce, max-age=63072000" always;
# obsolete, unsafe and replaced with strong Content-Security-Policy
add_header X-XSS-Protection "0" always;