ntop / ntop/nProbe

NTOPNG reporting traffic incorrectly and impossibly high total bytes

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Dominant language
Lua
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Description

NTOPNG is reporting 7TB down and 5TB up of data over 43 days between a single dev box that is hardly used and us.archive.ubuntu.com

When selecting a single flow, at the bottom of the window under "Additional Host Names" a hostname is listed that has nothing to do with the 'us.archive.ubuntu.com' and it is us.api.endpoint.ingress.rapid7.com. The rapid7 hostname is correct for logging destination. However, even 7TB and 5TB would be horribly beyond the absolute capability
of this lightly used dev box.
Below: Image showing the single flow and the rapid7 hostname
image

On the dev box netstat does not show connection to either us.archive.ubuntu.com or the rapid7 servers.

Rapid7 is our SEIM service. We send all logs from our equipment to Rapid7. The total volume of logs over 43 days can be 7TB or 5TB total across the organization . But if that number was legitimate, the source and destination would be incorrect.

Below: image showing number of us.archive.ubuntu.. flows

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by examining the reported single flow, its Additional Host Names, and the attached screenshots, then compare the us.archive.ubuntu.com and us.api.endpoint.ingress.rapid7.com attribution with the observed connections. Done means the source and destination are correctly identified and the reported byte totals are plausible for the traffic described.

Written by the indexing model from the issue text.

Assessment

Tech stack
lua
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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