+# Allow server-side fetches to be performed to potentially unknown
+# and user-provided locations. Primarily used in exports when loading
+# in externally referenced assets.
+# Can be 'true' or 'false'.
+ALLOW_UNTRUSTED_SERVER_FETCHING=false
+
+# A list of hosts that BookStack can be iframed within.
+# Space separated if multiple. BookStack host domain is auto-inferred.
+# For Example: ALLOWED_IFRAME_HOSTS="https://example.com https://a.example.com"
+# Setting this option will also auto-adjust cookies to be SameSite=None.
+ALLOWED_IFRAME_HOSTS=null
+