1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 7f8d315954..419787a89c 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -545,6 +545,9 @@ class ServerConfig(Config):
         # blacklist IP address CIDR ranges. If this option is not specified, or
         # specified with an empty list, no ip range blacklist will be enforced.
         #
+        # As of Synapse v1.4.0 this option also affects any outbound requests to identity
+        # servers provided by user input.
+        #
         # (0.0.0.0 and :: are always blacklisted, whether or not they are explicitly
         # listed here, since they correspond to unroutable addresses.)
         #