If no target ip added check proxy variable is valid IP address or not

entrypoint.sh

@@ -147,6 +147,7 @@ if [ ! -z "$SOURCE" ]; then
 	for i in $(echo $SOURCE) ; do
 		if [[ $i =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
 			SOURCE_IP=$i;
+			NO_TARGET_IP="true";
 		else
 			name_resolver $i;
 			debug "source ip is $APP_IP";
@@ -192,7 +193,9 @@ if [ ! -z "$TARGET" ]; then
 	done
 else
 	debug "TARGET is empty";
-	exit;
+	if [ "$NO_TARGET_IP" != "true" ]; then
+		exit;
+	fi
 fi;
 
 # CHECKING WHETHER IS IT NEEDED TO USE PUBLIC PROXY SERVICE