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-rw-r--r--nginx/snippets/security-headers-base.conf1
1 files changed, 1 insertions, 0 deletions
diff --git a/nginx/snippets/security-headers-base.conf b/nginx/snippets/security-headers-base.conf
index a7669ca4..8fe43c17 100644
--- a/nginx/snippets/security-headers-base.conf
+++ b/nginx/snippets/security-headers-base.conf
@@ -3,6 +3,7 @@ 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 when client system time is correct
add_header Expect-CT "enforce, max-age=63072000" always;