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Dell NetWorker 19.9 Administration Guide

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In-flight encryption

In-flight encryption secures data that is in transit. By default, the in-flight encryption feature is not enabled in NetWorker.

Backup times might be longer with in-flight encryption than with AES encryption. Because in-flight decryption occurs on the target NetWorker storage node, CPU and memory usage could significantly increase. The impact to CPU and memory resources depends on several factors including the load on the host, network speed, and the number of backup files.

You can enable in-flight encryption from the NMC or from nsradmin. To enable in-flight encryption for DD devices, ensure that it is enabled on both NetWorker and DD devices. For more information, see Dell NetWorker and Data Domain Boost 19.x Integration Guide.

NOTE:
  • Do not use the in-flight encryption feature and the AES encryption feature together. Combining the encryption types is redundant and could significantly increase the duration of the backup.
  • In-flight encryption can be used to backup and recover to Data Domain devices(DDBoost).
  • In-flight encryption is not supported for a client direct backup and recovery operation from a NetWorker client host over a network to a remote host's AFTD. If in-flight encryption is enabled, data is not encrypted in-flight over the network.

    Use AES encryption for a client direct save operation from a NetWorker client host over a network to a remote host's AFTD.

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