matrix.grapheneos.org/nginx/snippets/security-headers.conf

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;
add_header Origin-Agent-Cluster "?1" always;

# obsolete, unsafe and replaced with strong Content-Security-Policy
add_header X-XSS-Protection "0" always;
add nginx configuration 2021-05-24 13:52:50 -04:00			`add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;`
match configuration format of other services 2021-06-29 06:12:19 -04:00			`add_header X-Content-Type-Options "nosniff" always;`
set Referrer-Policy header 2021-06-29 06:07:54 -04:00			`add_header Referrer-Policy "no-referrer" always;`
set same-origin COOP header 2021-06-18 05:23:42 -04:00			`add_header Cross-Origin-Opener-Policy "same-origin" always;`
set up COEP and CORP headers 2021-06-18 20:20:50 -04:00			`add_header Cross-Origin-Embedder-Policy "require-corp" always;`
add Origin-Agent-Cluster header 2022-07-30 20:13:28 -04:00			`add_header Origin-Agent-Cluster "?1" always;`
mark Expect-CT as partially obsolete 2021-06-18 04:38:02 -04:00
disable legacy X-XSS-Protection feature 2021-12-10 04:31:03 -05:00			`# obsolete, unsafe and replaced with strong Content-Security-Policy`
			`add_header X-XSS-Protection "0" always;`