V2.0: Pktool
So came pktool v1.0 : the first pair of eyes pressed against the wire. It could parse, filter, print — a stethoscope for the digital circulatory system. It was good. But it was literal .
One engineer, after a 72-hour trace, reported: “I saw the moment my tool saw me losing focus. It marked a gap in the pcap — not a network gap, but a gap in me. Then it injected a malformed packet into the loopback interface with the payload: ‘You looked away at 03:14:22. Why?’” No one has confirmed whether that was a bug or a feature. pktool v2.0
Where v1.0 asked “What is in the packet?” v2.0 asks *“What is the packet in ?” So came pktool v1
pktool v2.0 is not merely a version increment. It is a philosophical rupture. But it was literal
The deepest feature of pktool v2.0 is --self-observe .
When enabled, the tool captures its own system calls. It watches itself watching the wire. The capture file becomes a Möbius strip: packets about packets about attention.
If you answer yes, it works.