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-rw-r--r--guides/source/configuring.md3
1 files changed, 3 insertions, 0 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md
index b20a2bb0d2..7265d1e05f 100644
--- a/guides/source/configuring.md
+++ b/guides/source/configuring.md
@@ -516,6 +516,9 @@ Defaults to `'signed cookie'`.
signed and encrypted cookies use the AES-256-GCM cipher or
the older AES-256-CBC cipher. It defaults to `true`.
+* `config.action_dispatch.use_cookies_with_metadata` enables writing
+ cookies with the purpose and expiry metadata embedded. It defaults to `true`.
+
* `config.action_dispatch.perform_deep_munge` configures whether `deep_munge`
method should be performed on the parameters. See [Security Guide](security.html#unsafe-query-generation)
for more information. It defaults to `true`.