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;

# 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;
add nginx configuration 2021-05-24 17:52:50 +00:00			`add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;`
match configuration format of other services 2021-06-29 10:12:19 +00:00			`add_header X-Content-Type-Options "nosniff" always;`
set Referrer-Policy header 2021-06-29 10:07:54 +00:00			`add_header Referrer-Policy "no-referrer" always;`
set same-origin COOP header 2021-06-18 09:23:42 +00:00			`add_header Cross-Origin-Opener-Policy "same-origin" always;`
set up COEP and CORP headers 2021-06-19 00:20:50 +00:00			`add_header Cross-Origin-Embedder-Policy "require-corp" always;`
mark Expect-CT as partially obsolete 2021-06-18 08:38:02 +00:00
			`# obsolete when client system time is correct`
add nginx configuration 2021-05-24 17:52:50 +00:00			`add_header Expect-CT "enforce, max-age=63072000" always;`
add obsolete X-XSS-Protection header 2021-06-18 08:38:26 +00:00
disable legacy X-XSS-Protection feature 2021-12-10 09:31:03 +00:00			`# obsolete, unsafe and replaced with strong Content-Security-Policy`
			`add_header X-XSS-Protection "0" always;`