Downlink Desk Operator's Manual

DMC-DLD-A-30-30-00-00A-300A-AProceduralIssue 0012026-11-04UnclassifiedQA: UnverifiedApplies to Downlink Desk 0.17.x

Audit trail – Verify the chain

Preliminary requirements

Required conditions

  • You can reach the console.

Required persons

1 × Operator. Estimated time: about 2 minutes.

Support equipment

  • A computer or phone with a web browser, on the same network as the server

Supplies

None

Spares

None

Safety conditions

Caution

A successful check shows that the record has not been edited through normal means. It does not prove that nobody with access to the server's files rebuilt the whole chain.

Procedure

  1. 1

    Select the Audit trail tab.

  2. 2

    Select Verify chain.

  3. 3

    Read the result:

    ResultMeaningAction
    Chain intact, with the number of signed entriesEvery entry matches its fingerprint and links to the entry before it.None.
    Problems found: content changed after signingAn entry was edited after it was written.Go to step 4.
    Problems found: does not link to the entry before itThe chain has been broken or rebuilt.Go to step 4.
    Problems found: entries missingOne or more entries were deleted.Go to step 4.
    Could not verifyThe console could not reach the server.Refer to Web console – Fault isolation: the console does not open (DMC-DLD-A-30-00-00-00A-400A-A).
  4. 4

    If problems were found, write down the entry numbers shown. Do not take further actions on the console. Report the result to whoever is responsible for the server.

Requirements after job completion

  • The chain is intact, or a problem has been reported.