Update updateproxy.sh

Hopefully this fixes ip leakage problem.

updateproxy.sh

@@ -8,12 +8,16 @@ DELAY=$2
 
 #Check if arg was received
 if [ -z "$2" ]; then 
-	echo "USAGE: ./updateproxy.sh <number-of-repetitions> <delay-between-repetitions>"
+	echo "USAGE: sudo ./updateproxy.sh <number-of-repetitions> <delay-between-repetitions>"
 	exit
 fi
 
+#iptables dropping packets makes sure your real ip isn't leaked if webpage
+#is being fetched during the proxy reload.
 while [ $COUNTER -lt $MAX ]; do
+	iptables -P OUTPUT DROP
 	python $FILE -l
+	iptables -P OUTPUT ACCEPT
 	sleep $DELAY
 	let COUNTER=COUNTER+1
 done