diff --git a/doc/peering.md b/doc/peering.md
index 9806e2f..f794335 100644
--- a/doc/peering.md
+++ b/doc/peering.md
@@ -48,3 +48,5 @@ then add to feeds.ini the following:
     ctl=1
 
 then restart srndv2
+
+**TODO:** firewalling