Server! v4.0.21 released

We have just released version 4.0.21 of our Server! software. This version features the following improvements:

  • Added: support for POLY1305 HMAC (SSH/SFTP)
  • Added: support for CHACHA20 encryption (SSH/SFTP)
  • Added: support for NFS access by impersonation via Windows Client for NFS (experimental)
  • Improved: handling of failed active (PORT) data transfer over FTP(E/S)
  • Fixed: occasional issue with SHA256 computation during key exchange
  • Fixed: bug in the VFS-related commands of the SMSCLI

Note: if after the update you notice any unexpected behavior in the web interface, just hit Ctrl-F5 in your browser; that will force the browser to reload the page as well as all back-end scripts and update the ones that may have been cached from previous versions of the software.

As usual you can download this new release from our website.

True impersonation and [USER_HOME] directory

One of the main new features that come with Server! v3.0 is true impersonation of Windows and Active Directory users.

Unlike previous versions, the new v3.0 actually impersonates the authenticated Windows or AD user and therefore accesses the underlying file system with such user’s privileges, limitations, and ACL. Server!’s native file and directory permissions still apply, but they are applied only *after* the operating system rules, therefore they can further restrict the OS configuration, but not expand it (for safety reasons). Continue reading