The Flooded Printer

printerproblem.pcap

Even the smallest organizations can have several networked printers. Factor in the cost of paper, ink, and maintenance, and the total cost of ownership for even a low-volume network printer can add up quickly.

In this scenario one of the higher-volume network printers on our network has begun printing out complete garbage, and nobody knows the source of it. Our goal is to find the source of these mystery documents and put an end to it.

What We Know

Our printer is a high-volume network printer shared through a server. It has no special permissions assigned to it nor any extra logging capabilities. The problem is constant. Even when we clear out the printer's queue, it fills up immediately and starts printing ...

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