Template:Dnspktflow ShortTorial

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Dnspktflow

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DNSSEC-Tools Component
dnspktflow
This describes dnspktflow, which in the Error Checking Tools category within the DNSSEC-Tools Components framework of tools.
Tool Name: dnspktflow
Tool Type: Error Checking Tools
Manual: Manual

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Example: Example

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CLI: Help

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Tutorial: Tutorial

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How To: How To

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Download: dnspktflow

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Dnspktflow is a tool that parses a tcpdump file and graphically displays the DNS, and DNSSEC specific, network traffic. It can be used to check DNSSEC traffic at a server in order to track down or check for errors.

Getting started with dnspktflow

  • Given a tcpdump file tcpdump.out with some DNS traffic in it.
>dnspktflow -t -q -a -A -x -l -r 'dnssec-tools' -o dnspktflow.png tcpdump.out
>
  • The command line arguments above add extra information to the picture (type, query, answers, authoritative and extra information), while reducing the data to DNS packets involving hosts with 'dnssec-tools' in their names.
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dnspktflow picture of DNS packet's regarding hosts matching 'dnssec-tools'