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-rw-r--r--guides/source/configuring.md5
1 files changed, 4 insertions, 1 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md
index 36c2fdb0b8..a0bf6046da 100644
--- a/guides/source/configuring.md
+++ b/guides/source/configuring.md
@@ -462,7 +462,10 @@ The schema dumper adds one additional configuration option:
config.action_dispatch.default_headers = {
'X-Frame-Options' => 'SAMEORIGIN',
'X-XSS-Protection' => '1; mode=block',
- 'X-Content-Type-Options' => 'nosniff'
+ 'X-Content-Type-Options' => 'nosniff',
+ 'X-Download-Options' => 'noopen',
+ 'X-Permitted-Cross-Domain-Policies' => 'none',
+ 'Referrer-Policy' => 'strict-origin-when-cross-origin'
}
```