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OneFS 8.0 introduces new file filtering capabilities. SMB file filtering allows PowerScale administrators to control what type of files can be written by these protocols to a cluster, based on include or exclude filter lists. OneFS file filtering can be used across SMB clients to allow or disallow writes to an export, share, or access zone.
This feature allows certain types of file extensions to be blocked, for files which might cause security problems, productivity disruptions, throughput issues, or storage clutter. Configuration can be either be a blocklist, which blocks explicit file extensions, or an allowlist, which explicitly allows writes of only certain file types. For example, to prevent users from saving MP3 files to their OneFS based home directory, a blocklist exclude rule for *.mp3 files can be configured.
These are some key considerations that we recommend during the design and implementation:
Figure 23. Deny file extension writes setting of SMB share on the PowerScale cluster
Figure 24. Allow file extension writes setting of SMB share on the PowerScale cluster