diff --git a/storage/utils/natsimulation.nim b/storage/utils/natsimulation.nim
index 889cd04e..04dc370b 100644
--- a/storage/utils/natsimulation.nim
+++ b/storage/utils/natsimulation.nim
@@ -50,7 +50,7 @@ proc setFiltering*(r: NatRouter, filtering: FilteringBehavior) =
 proc allowInbound(r: NatRouter, remote: TransportAddress, localPort: Port): bool =
   case r.filtering
   of DoubleNat:
-    return false
+    return false # always blocks: simulates a scenario where inbound connections are never possible
   of EndpointIndependent:
     return true
   else: