diff --git a/conf/default_basic_behavior.conf b/conf/default_basic_behavior.conf
index 7670d5b..134e7c6 100644
--- a/conf/default_basic_behavior.conf
+++ b/conf/default_basic_behavior.conf
@@ -137,15 +137,15 @@ drop_syn_flood=true
 # -
 # - !! 'drop_fragments' does not work within telekom mobile connections !!
 # -
-drop_fragments=false
+drop_fragments=true
 
 # drop new packages without syn flag
 #
-drop_new_not_sync=false
+drop_new_not_sync=true
 
 # drop invalid packages
 #
-drop_invalid_state=true
+drop_invalid_state=false
 
 # drop packages with unusal flags
 #