PricingĪrcsnap has two operating modes selected during install time.Ī. Optionally, file name encryption is also supported using a simple HMAC-SHA1 scheme. This vendor-lockin is a non starter for most long-term secure file storage use cases.Īrcsnap does file content encryption using the OpenPGP format and imposes no vendor-lockin since file content can be decrypted using open source tools like gpg. On top of this they use a proprietary encryption implementation that mandates the use of their software to decrypt and access the file content. These products are more expensive than the Sync service. Layered products like Boxcryptor or Sookasa that work on top of Dropbox (say) provide both file name and file content encryption with user-controlled encryption keys. Most Sync services do not support file content encryption with a user-controlled encryption key. Screenshot of the Mac OSX user interface is below. User InterfaceĪrcsnap shows up as a virtual drive on Windows, Linux and Mac OSX and integrates with Android KitKat 4.4 Storage Access Framework. Also newer applications like iPhoto, iWork store their application data as a folder with multiple files and the folder snapshot approach is more appropriate than file versions. This is because most workflows utilize more than one file.įor example, a report may consist of some images, a presentation, a spreadsheet and a document and all the files need to be backed up as a consistent point-in-time snapshot. But in most retrieval use cases, recovery to an earlier snapshot of the folder hierarchy is preferable to retrieving individual files from their file versions. To be fair, Sync Services store a predefined number of file versions and allows users to retrieve a deleted file or an older file version. While the Backup Services allow users to access the backups on other (mobile) devices they do not allow editing of a specific file/folder on multiple devices and so does not subsume the functionality of Sync Services. To protect against this, users are encouraged to use Backup Services like Crashplan which provide a consistent point-in-time snapshot of the entire folder hierarchy. These Sync services are not a replacement for backups since if one of the devices malfunctions or if the user accidentally deletes some files/folders, the deletes are propagated to other users or devices. are widely used to seamlessly share files across multiple users or across multiple devices owned by an user. Sync Services like Dropbox, Google Drive, Microsoft OneDrive, etc. ![]() Arcsnap is a unified Sync+Backup service that can be considered as a combination of Dropbox and Crashplan offering trustworthy security and one of industry’s lowest prices.
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