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Siemens Comprehensive Guide to File Based Write Filter (FBWF) for Enhanced Data Security

Models: IPC427C

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Functions

9.3 File Based Write Filter (FBWF)

9.3File Based Write Filter (FBWF)

Purpose and function

With the Feature Pack 2007 for Windows XP Embedded, Microsoft introduced a second write filter, File Based Write Filter (FBWF).

In contrast to EWF, which protects partitions based on sectors, FBWF works on the file level. When FBWF is enabled, all files and folders of a partition are protected unless they are included in an exception list.

FBWF is disabled by factory default in the operating system images for SIMATIC IPC and must be enabled and configured by the user.

When you enable FBWF, the folders C:\FBWF and D:\FBWF are authorized for writing by default.

Comparison between EWF and FBWF

●You should prefer FBWF, because it is more flexible in its configuration and allows immediate writing without rebooting.

●If you use HORM or compressed NTFS, EWF is indispensable.

CAUTION

Activate only one write filter per partition - otherwise you may incur data loss.

Both EWF and FBWF are preinstalled in the SIMATIC IPC images.

Ensure that only one write filter is enabled on a partition, otherwise you may incur data loss.

Configuring FBWF

FBWF can be configured in command console using the program FBWFMGR.EXE.

NOTICE

•Observe the following syntax: Enter a space after the drive designation colon.

•Changes for direct write access only take effect after rebooting.

•Only existing files and folders can be entered in the exception list.

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SIMATIC IPC427C

Operating Instructions, 04/2009, A5E02414743-01

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Siemens IPC427C manual File Based Write Filter Fbwf, Comparison between EWF and Fbwf, Configuring Fbwf
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IPC427C specifications

The Siemens IPC427C is a robust and versatile industrial PC designed to meet the demands of various applications in manufacturing, automation, and process control. This advanced system is tailored for use in harsh environments and is renowned for its high reliability and performance. One of the key features of the IPC427C is its compact design, allowing seamless integration into existing setups without consuming excessive space. This makes it particularly suitable for environments where space is at a premium.

The IPC427C utilizes powerful Intel processors, providing the necessary computational power to handle complex tasks and data processing. The system supports a range of Intel Core and Xeon processors, ensuring that users can select the configuration that best meets their performance requirements. Additionally, the IPC427C is equipped with an impressive amount of RAM, capable of supporting high-speed memory modules that enhance overall system performance.

Storage options in the IPC427C include both solid-state drives (SSD) and traditional hard disk drives (HDD), catering to various data storage needs. The solid-state drives offer faster data access speeds and higher durability compared to HDDs, making them ideal for critical applications. Users can also benefit from the flexibility in expansion options, as the IPC427C features multiple slots for add-on cards, enabling additional functionalities such as enhanced graphics capabilities or specialized communication interfaces.

Connectivity is another strong point of the IPC427C. Equipped with multiple USB ports, Ethernet connections, and serial interfaces, the system allows seamless integration with various peripherals and networks. This connectivity facilitates real-time data acquisition and communication, essential for modern industrial environments. The IPC427C also supports various protocols and standards, enhancing its compatibility with existing systems and software.

In terms of durability, the IPC427C is designed to withstand extreme temperatures, vibrations, and dust, making it suitable for industrial applications. Its fanless design reduces the likelihood of mechanical failures while ensuring silent operation. With its robust build quality, the IEC527C can operate continuously in demanding conditions, making it a reliable choice for a wide range of industrial applications.

Overall, the Siemens IPC427C stands out as a powerful and flexible industrial PC, combining advanced technologies and robust construction to provide reliable performance in challenging environments. Whether used in factory automation, machine control, or data processing, the IPC427C delivers efficiency and resilience, making it an essential component of modern industrial systems.