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Version: 4.1

Release Notes

4.1.1​

Highlights

It is strongly recommended to upgrade to version 4.1.1.

  • Fixed a bug where excessive logging would fill the device disk.

DD Engine​

Bug fixes​

  • Excessive logging would fill the device disk. It is strongly recommended to upgrade to v4.1.1. In some cases, the previous version of the software might not start at all. To remediate this issue a complete reinstall using the Installer is required.

4.1.0​

Highlights
  • Release of the new HTTP service.
  • Release of the new DD1000i installer.
  • A fixed bug regarding sensitive data being logged. It is highly recommended to upgrade all systems to v4.1.0.

Summary​

The DD1000i is a Data Diode with integrated proxies. The Data Diode is a hardware device containing an optical fiber with a transmitter on one side and a receiver on the other, thus guaranteeing one-way communication. There is an integrated proxy software on each side of the diode, which allows for protocol specific data transfer.

Components​

The release of DD1000i includes the following components:

  • DD1000i firmware:
    • Installer (New)
    • Upgrade
  • Services:
    • File Transfer
      • SFTP
      • SMB
      • NFS
    • HTTP (New)
    • MQTT
    • OPC UA
    • TCP
    • UDP

DD1000i firmware​

New features​

  • The DD1000i installer is included as a release artefact. This allows for the user to manually reinstall the entire firmware.

Improvements​

  • The DD Manager automatically routes to https.
  • Third party dependency upgrades.

Bug fixes​

The following bugs have been solved in this version:

  • Log forwarding of Upstream logs sometimes ceasing after a reconfiguration.
  • Log forwarding crashing during boot after the initial system installation.
  • Sensitive data being logged. It is highly recommended to upgrade all systems to v4.1.0.

HTTP​

Initial release of the HTTP service.

File Transfer​

Improvements​

  • Third party dependency upgrades.

MQTT​

Improvements​

  • Third party dependency upgrades.

OPC UA​

Improvements​

  • Third party dependency upgrades.

TCP​

Improvements​

  • Third party dependency upgrades.

UDP​

Improvements​

  • Third party dependency upgrades.
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