1 files changed, 12 insertions, 0 deletions
diff --git a/synapse/config/room_directory.py b/synapse/config/room_directory.py
index 9b897abe3c..3322cf2eea 100644
--- a/synapse/config/room_directory.py
+++ b/synapse/config/room_directory.py
@@ -52,6 +52,10 @@ class RoomDirectoryConfig(Config):
                 )
             ]
 
+        self.allow_non_federated_in_public_rooms = config.get(
+            "allow_non_federated_in_public_rooms", True,
+        )
+
     def default_config(self, config_dir_path, server_name, **kwargs):
         return """
         # The `alias_creation` option controls who's allowed to create aliases
@@ -110,6 +114,14 @@ class RoomDirectoryConfig(Config):
         #    alias: "*"
         #    room_id: "*"
         #    action: allow
+
+        # Specify whether rooms that only allow local users to join should be
+        # shown in the federation public room directory.
+        #
+        # Note that this does not affect the room directory shown to users on
+        # this homeserver, only those on other homeservers.
+        #
+        #allow_non_federated_in_public_rooms: True
         """
 
     def is_alias_creation_allowed(self, user_id, room_id, alias):