diff --git a/config/TR181-AdvSecurity.xml b/config/TR181-AdvSecurity.xml
index e705ee4..e8d3f41 100644
--- a/config/TR181-AdvSecurity.xml
+++ b/config/TR181-AdvSecurity.xml
@@ -66,6 +66,12 @@
uint32
true
+
+ FlushConntrackTable
+ boolean
+ bool
+ true
+