Our knowledge base is a comprehensive resource designed to help you get the most out of our products. It includes getting started articles that guide you through initial setup, detailed information on specific features, and troubleshooting resources to assist you with any issues you may encounter. Explore our knowledge base to find helpful information about our products and answers to common questions.
Latest Articles
Does your product support Windows XYZ?
11/8/2024 - What Windows versions are supported by the components?
What happens if a certificate used to sign the driver and the DLL expires?
10/25/2024 - An explanation of how certificate validation is performed.
Using default rules and access rules to protect registry keys from access with CBRegistry
10/24/2024 - CBFS Filter provides mechanisms to protect Windows registry keys without firing events or when an application is not running through access and default rules.
Selective Encryption with CBFS Filter
10/21/2024 - CBFS Filter provides a way to encrypt and decrypt files based on certain criteria such as which process accesses the file.
Implementing Virtual Files with CBFS Filter
10/15/2024 - CBFS Filter provides a simple way for injecting virtual files into an existing filesystem.
Creating a Replacement for FileSystemWatcher
10/10/2024 - CBFS Filter provides mechanisms to track filesystem operations better than FileSystemWatcher does. Learn how to replace FileSystemWatcher with CBFS Filter.
Access and Default Rules in CBFS Filter
10/02/2024 - CBFS Filter provides mechanisms to protect files without firing events or when an application is not running through access and default rules.
Backing Up File Data with CBFS Filter
10/02/2024 - CBFS Filter enables users to back up file data before a file is changed, deleted, or moved away.
Control Capabilities of CBFS Filter
10/02/2024 - CBFS Filter offers powerful functionality for controlling, modifying, and blocking filesystem operations.
Monitoring Capabilities of CBFS Filter
10/02/2024 - CBFS Filter offers an intuitive API for monitoring filesystem operations.
Direct File Access with CBFS Filter
10/02/2024 - CBFS Filter offers mechanisms to access files that are otherwise inaccessible because of various checks and restrictions.
Redirection of File Access with CBFS Filter
10/02/2024 - CBFS Filter provides powerful functionality for tracking file access and redirecting it as needed.
Handling Filenames in CBFS Filter
10/02/2024 - An overview of path and filename handling options in CBFS Filter rules.
Hiding Files and Folders with CBFS Filter
10/02/2024 - CBFS Filter provides a simple way for hiding files and folders from users' views.
Overview of File Filtering with CBFS Filter
10/02/2024 - CBFS Filter can be used to monitor and control filesystem operations before or after they occur.
Protecting Files and Folders with CBFS Filter
10/02/2024 - CBFS Filter offers powerful functionality for tracking file modifications and taking protective actions.
Removable Devices and Per-Volume Rules
10/02/2024 - CBFS Filter tracks insertion and removal of external disks. Applications can use the corresponding events to add and remove rules for these disks.
Tracking and Controlling Access To Network Resources with CBFS Filter
10/02/2024 - CBFS Filter offers mechanisms to detect access of local processes to files across the network.
Tracking and Controlling Network Access To Local Files with CBFS Filter
10/02/2024 - CBFS Filter offers mechanisms to detect over-the-network access to local files.
Overview of Process Monitoring with CBFS Filter
10/02/2024 - CBFS Filter can be used to monitor process- and thread-related operations as they occur.
Tracking Process Creation with CBFS Filter
10/02/2024 - CBFS Filter can be used to track when a new process is created in Windows.
Overview of Registry Monitoring with CBFS Filter
10/02/2024 - CBFS Filter can be used to monitor registry operations as they occur.
Connect to Amazon S3 with S3 Drive
7/16/2024 - A guide showing how to connect to Amazon S3 with S3 Drive
Connect to Backblaze B2 with S3 Drive
7/16/2024 - A guide showing how to connect to Backblaze B2 with S3 Drive
Connect to Cloudflare R2 with S3 Drive
7/16/2024 - A guide showing how to connect to Cloudflare R2 with S3 Drive
Connect to DigitalOcean Spaces with S3 Drive
7/16/2024 - A guide showing how to connect to DigitalOcean Spaces with S3 Drive
Connect to IBM with S3 Drive
7/16/2024 - A guide showing how to connect to IBM with S3 Drive
Connect to iDrive e2 with S3 Drive
7/16/2024 - A guide showing how to connect to iDrive e2 with S3 Drive
Connect to Linode with S3 Drive
7/16/2024 - A guide showing how to connect to Linode with S3 Drive
Connect to MinIO with S3 Drive
7/16/2024 - A guide showing how to connect to MinIO with S3 Drive
Connect to OORT DSS with S3 Drive
7/16/2024 - A guide showing how to connect to OORT DSS with S3 Drive
Connect to Oracle with S3 Drive
7/16/2024 - A guide showing how to connect to Oracle with S3 Drive
Connect to Seagate Lyve Cloud with S3 Drive
7/16/2024 - A guide showing how to connect to Seagate Lyve Cloud with S3 Drive
Connect to Wasabi with S3 Drive
7/16/2024 - A guide showing how to connect to Wasabi with S3 Drive
CBFS Connect 2024 API Changes
07/02/2024 - This article details the API differences between CBFS Connect and CBFS Connect 2024.
CBFS Filter 2024 API Changes
07/02/2024 - This article details the API differences between CBFS Filter and CBFS Filter 2024.
CBFS Vault 2024 API Changes
07/02/2024 - This article details the API differences between CBFS Vault and CBFS Vault 2024.
CBFS Filter File Isolation
06/21/2024 - CBFS Filter provides a robust driver library - much easier than working with Windows ACL.
Version 2024 Updates
06/10/2024 - Information and upgrade information for version 2024.
Version 2024 Upgrade Guide
06/10/2024 - Technical details about upgrading from version 2022 to version 2024.
File Explorer shows a drive with a network mounting point as 'Disconnected'.
05/16/2024 - Troubleshooting why File Explorer indicates that a drive is 'Disconnected'.
How to remove the driver - the procedure and caveats
05/01/2024 - The paper discusses how the drivers should be removed from the system properly and what to do when they are not.
S3 Drive Feature Comparison
03/1/2024 - Users can use this comparison chart to choose the S3 Drive version that best fits their needs.
SFTP Drive Feature Comparison
03/1/2024 - Users can use this comparison chart to choose the SFTP Drive version that best fits their needs.
Getting Started with the NFS component
02/23/2024 - The article shows how to get started with CBFS Connect
Getting Started with ShellMenu
1/11/2024 - The article shows how to get started with CBFS Shell
Getting Started with ShellFolder
1/1/2024 - The article shows how to get started with CBFS Shell
Getting Started with the CBSync Component
08/17/2023 - The article shows how to get started with CBFS Sync
S3 Drive - Linux Guide
03/31/2023 - S3 Drive Linux Guide
SFTP Drive - Linux Guide
03/31/2023 - SFTP Drive Linux Guide
CBFS Connect 2022 API Changes
02/22/2023 - This article details the API differences between CBFS Connect 2020 and CBFS Connect 2022.
CBFS Filter 2022 API Changes
02/22/2023 - This article details the API differences between CBFS Filter 2020 and CBFS Filter 2022.
CBFS Vault 2022 API Changes
02/22/2023 - This article details the API differences between CBFS Vault 2020 and CBFS Vault 2022.
Docker Support in CBFS Connect 2022
2/15/2023 - CBFS Connect
Connect to Scality with S3 Drive
12/15/2022 - An guide showing how to connect to Scality with S3 Drive
Add a Custom Provider to S3 Drive
11/16/2022 - An guide showing how to add a custom provider to S3 Drive
AES Drive FAQ
09/27/2022 - This article answers some of the basic questions about the features of AES Drive.
S3 Drive FAQ
09/27/2022 - This article answers some of the common questions about S3 Drive.
SFTP Drive FAQ
09/27/2022 - This article answers some of the basic questions about SFTP Drive.
AES Drive Feature Comparison
09/23/2022 - Users can use this comparison chart to choose the AES Drive version that best fits their needs.
Why are On*CloseFile events fired long after the file is actually closed?
09/30/2021 - The reasons why you can observe delayed closing of a file
Compare CBFS and FUSE Components
07/08/2021 - Compare the CBFS and FUSE components.
How do I protect my process or thread from being suspended/paused or terminated?
05/06/2021 - How do I protect my process or thread from being suspended/paused or terminated?
Why driver deinstallation or update require system restart?
05/06/2021 - Why driver deinstallation or update require system restart?
Getting Started with the FUSE component
04/05/2021 - The article shows how to get started with CBFS Connet
How do I protect directory contents from modifications?
02/18/2021 - How do I protect directory contents from modifications?
Mount to a Folder with SFTP Drive
01/26/2021 - Steps to mount a drive to an NTFS folder with SFTP Drive.
How do I prevent file deletion using filter rules?
12/29/2020 - How do I prevent file deletion using filter rules?
Why is OnCloseFile event fired long after the file is actually closed?
11/17/2020 - The reasons why you can observe delayed closing of a file
AES Drive - Getting Started Guide
10/12/2020 - AES Drive Getting Started Guide
What's New in CBFS Direct 2020
7/10/2020 - CBFS Direct 2020 Upgrades and Migration Guide
S3 Drive - Windows Guide
07/10/2020 - S3 Drive Windows Guide
What's New in CBFS Connect 2020
10/01/2019 - CBFS Connect 2020 Upgrades and Migration Guide
What's New in CBFS Disk 2020
10/01/2019 - CBFS Disk 2020 Upgrades and Migration Guide
What's New in CBFS Filter 2020
10/01/2019 - CBFS Filter 2020 Upgrades and Migration Guide
What's New in CBFS Storage 2020
10/01/2019 - CBFS Storage 2020 Upgrades and Migration Guide
How do I guard against data loss caused by vault file corruption?
09/26/2019 - Stragies for preventing data loss using CBFS Vault.
SFTP Drive - Authentication Guide
6/7/2019 - SFTP Drive Authentication Guide
SFTP Drive - Windows Guide
02/2/2018 - SFTP Drive Windows Guide
Why Choose CBFS Connect over Dokan?
12/05/2017 - Professionally maintained products are more reliable and can cost less in the long run.
Digital Rights Management (DRM) with CBFS Vault
12/04/2017 - This article provides an overview of how CBFS Vault secures confidential information and prevents unauthorized access from third parties to this information.
7 Reasons to Manage Application Data via Filesystem vs. DBMS
12/04/2017 - 7 reasons to choose a filesystem (CBFS Storage) over a database for managing your application's data.
Using Callback Mode in CBFS Vault
12/04/2017 - This article discusses how to use Callback Mode in CBFS Vault
Using PKI-Based Security with CBFS Vault
12/04/2017 - This article discusses how to use PKI-based security with CBFS Vault.
From Filesystems to the Cloud and Back
12/04/2017 - Discusses how developers can combine the benefits of cloud storage with well-known and established technologies.
Custom filesystems as optimal solutions for huge media data archives and storages
12/04/2017 - This paper will mainly discuss and explore the problems and solutions of archive storage management
eDiscovery Compliance for Existing and Planned Information Systems
12/04/2017 - This paper discusses the most effective ways to achieve eDiscovery compliance for your enterprise information system.
Getting Started with the CBFS component
11/04/2017 - The article shows how to get started with CBFS Connect
Is CBFS Vault FIPS Certified?
11/04/2017 - Is CBFS Vault FIPS certified?
How can I use CBProcess to prevent a process from being started?
11/04/2017 - Using CBProcess to prevent a process from starting.
How do I limit the size of a Vault?
11/04/2017 - Instructions on how to limit the size of a CBFS Vault.
How can I prevent my vault from being accessed by Vault Explorer and other CBFS Vault demo applications?
11/04/2017 - How to prevent your vault from being accessed by other CBFS Vault demo applications.
What happens when an applications attempts to access a password-protected file?
11/04/2017 - Discusses how CBFS Storage obtains a password when accessing a password-protected file in a vault.
What tools are provided to check Vaults for errors?
11/04/2017 - What tools are provided to check Vaults for errors?
If I grant a specific process access to the drive, will any child processes it creates be able to access the drive as well?
11/04/2017 - Discusses whether child processes can access your application
Why is adding files to the Vault so slow?
11/04/2017 - Reasons why adding files to a Vault can take longer than expected.
Why is not my mounting point visible in File Explorer?
11/04/2017 - Discusses reasons why a mounting point may not show up in File Explorer.
Can I access a vault from several applications at once?
11/04/2017 - How to access a vault from several applications at one time.
FileSystemWatcher and ReadDirectoryChangesW vs. CBFS Filter
10/05/2017 - CBFS Filter enables you to emulate FileSystemWatcher, and much more.
Product Comparison
10/05/2017 - Developers can use this comparison chart to choose the Callback Technologies product that best fits their needs.
How can I create a file in a directory protected with a read-only access rule?
10/04/2017 - How can I create a file in a directory protected with a read-only access rule?
How can I make a directory read-only, but have its subdirectories be read-write?
10/04/2017 - How to enforce read-only access on a directory, but not its subdirectories.
Why doesn't my application receive events for mapped network drives?
10/04/2017 - Discusses why filesystem operations for mapped network drives don
Is there any integrity check to validate which process is using CBFS Filter?
10/04/2017 - How to check which process commands CBFS Filter components?
Does the driver need to be reinstalled each time the computer reboots?
10/04/2017 - How often the driver needs to be reinstalled.
How do I track file copying?
10/04/2017 - How do I track file copying?
How do I know which user initiated a filesystem event?
10/04/2017 - How do I know which user initiated a filesystem event?
In some cases I get a filename in ALL CAPS. What's wrong?
10/04/2017 - In some cases I get a filename in ALL CAPS. What's wrong?
How can I monitor the files in a directory, but not its subdirectories?
10/04/2017 - How to monitor the files in a directory but not its subdirectories.
I get a BSOD with the error code NO_MORE_IRP_STACK_LOCATIONS (35). What's that?
10/04/2017 - I get a BSOD with the error code NO_MORE_IRP_STACK_LOCATIONS (35). What's that?
How can I hide a directory?
10/04/2017 - How to hide a directory
Can I create files and directories that don't really exist on disk using CBFS Filter?
10/04/2017 - How to create virtual files and directories using CBFS Filter.
How can I attach the filter to a USB drive?
10/04/2017 - How can I attach the filter to a USB drive?
The OS caches the data read from a file after it's been decrypted by CBFS Filter. How do I prevent this?
10/04/2017 - A discussion of dealing with caching during the encryption of the data.
I need to monitor file operations on a server. Is this possible with CBFS Filter?
10/04/2017 - Discusses feasibility of monitoring remote file operations.
Is CBFilter a minifilter driver?
10/04/2017 - Is CBFilter a minifilter driver?
Why can't I create a directory or file whose name ends with a dot (".")?
10/04/2017 - Why can't I create a directory or file whose name ends with a dot (".")?
Windows 10 now supports long file names. Can we?
10/04/2017 - Windows 10 now supports long file names. Can we?
Can I use the GetOriginator* methods in the Notify* events?
10/04/2017 - Discusses whether the GetOriginator* methods can be called during the Notify* events.
Is it possible to create nested virtual directories?
10/04/2017 - Is it possible to create nested virtual directories?
Is it possible for a "real" file to reside in a virtual directory?
10/04/2017 - Can a "real" file be created in, or moved to, a virtual directory?
How can I make a file read-only for a certain process?
07/04/2017 - How can I make a file read-only for a certain process?
How do I create a drive for only one user (session)?
07/04/2017 - How to create a drive for only one user (session)
How do I show different files to different users on the same filesystem?
07/04/2017 - Showing different files to different users on the same filesystem
How can I make my drive support paths longer than 260 characters?
07/04/2017 - Making a drive support paths longer than 260 characters
What is this strange file name with a colon inside?
07/04/2017 - What is this strange file name with a colon inside?
What happens if the filesystem fails to delete the actual file from backend storage?
07/04/2017 - What happens if the filesystem fails to delete the actual file from backend storage?
What effects does setting FileSystemName to NTFS have?
07/04/2017 - What happens if a virtual filesystem
Will the CBFS component fire multiple events for the same file at the same time?
07/04/2017 - Discusses event firing behavior with regards to parallel request processing.
Can you provide a WHQL-certified version of the driver?
07/04/2017 - Can you provide a WHQL-certified version of the driver?
How do I collect a log of file operations on the drive for debugging purposes?
07/04/2017 - How to collect a log of file operations on the drive.
How do I notify the system that a file in a CBFS Connect drive
07/04/2017 - How to notify the OS and CBFS Connect that a file in the virtual drive
What is the sequence of events fired when File Explorer opens a directory?
07/04/2017 - Describes the sequence of events fired when File Explorer opens a directory.
I created a local mounting point with the STGMP_LOCAL and STGMP_NETWORK flags. Why is this drive visible in File Explorer's "Network" area?
07/04/2017 - Discusses why a local network mounting point is visible in File Explorer' "Network" area.
Can I clear the metadata cache?
07/04/2017 - Can I clear the metadata cache?
Should I delete backend data in the CanFileBeDeleted event handler?
07/04/2017 - Should I delete backend data in the CanFileBeDeleted event handler?
Why doesn't returning error in the DeleteFile event handler prevent file deletion?
07/04/2017 - Why doesn't returning error in the DeleteFile event handler prevent file deletion?
File Explorer stops showing SMB shares after a network mounting point with a share is created.
07/04/2017 - Troubleshooting why File Explorer stops showning SMB shares after a network mounting point with a share is created.
How do I get rid of the Windows warning box when installing drivers?
07/04/2017 - Getting rid of the Windows warning box when installing drivers
When SerializeEvents is false, do filesystem operations for the same file fire on one thread?
07/04/2017 - When SerializeEvents is false, do filesystem operations for the same file fire on one thread?
When I set "SectorSize" to 4096 and "StorageType" to "STGT_DISK_PNP", some applications can't access the disk. Why?
07/04/2017 - When I set "SectorSize" to 4096 and "StorageType" to "STGT_DISK_PNP", some applications can't access the disk. Why?
Why does the system become slow if I perform lengthy operations in the OpenFile, CreateFile, or CloseFile events?
07/04/2017 - Why does the system become slow if I perform lengthy operations in the OpenFile, CreateFile, or CloseFile events?
Why can't I share a directory on my virtual drive?
07/04/2017 - Why can't I share a directory on my virtual drive?
Why is a timeout necessary?
07/04/2017 - Why is a timeout necessary?
Is there a problem if timeout is disabled?
07/04/2017 - Is there a problem if timeout is disabled?
The Initialize method throws a strange exception saying that the driver is not found. Why?
07/04/2017 - Why the Initialize method throws the exception "A volume has been accessed for which a filesystem driver is required that has not yet been loaded"
Why does File Explorer read files when I just browse a directory?
07/04/2017 - The reason why File Explorer reads files when you are browsing a directory.
Why is copying files to/from a CBFS Connect drive so slow?
07/04/2017 - Discusses why it takes longer to copy files to/from CBFS Connect drives compared to normal drives.
Why doesn't CBFS Connect provide asynchronous versions of events?
07/04/2017 - Discusses the reason CBFS Connect doesn't have asynchronous events.
How do I make a Recycle Bin on my virtual drive?
07/04/2017 - How to have a Recycle Bin on a virtual drive.
CBFS Vault vs. ZIP
6/14/2017 - Comparison of CBFS Vault and ZIP
7 Tiers of Data Recovery: Software Aspects
04/04/2017 - This white paper analyzes the advantages of CBFS Storage in the area of data recovery.