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vagrant.md

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Running on Vagrant

If you have Vagrant installed, you can run the above example with the following commands.

  1. In a terminal (terminal 1), bring up the Vagrant box:

    $ vagrant up

    This will take a few minutes to download and provision the box.

  2. Connect to the Vagrant box:

    $ vagrant ssh
  3. Build pwru:

    $ cd /pwru
    $ make
  4. Run pwru:

    $ sudo ./pwru --filter-dst-ip=1.1.1.1 --filter-dst-port=80 --filter-proto=tcp --output-tuple
  5. In a new terminal (terminal 2), connect to the Vagrant box:

    $ vagrant ssh
  6. In terminal 2, run curl to generate some traffic to 1.1.1.1:

    $ curl 1.1.1.1

    Observe the output of pwru in terminal 1.

  7. In terminal 2, add an iptables rule to block traffic to 1.1.1.1:

    $ sudo iptables -t filter -I OUTPUT 1 -m tcp --proto tcp --dst 1.1.1.1/32 -j DROP
  8. In terminal 2, run curl to generate some traffic to 1.1.1.1:

    $ curl 1.1.1.1

    Observe the output of pwru in terminal 1.

  9. To clean up, press Ctrl+C to terminate pwru in terminal 1, exit both shells, and run:

    $ vagrant destroy