The Port That Does Not Exist

Enviado por Fabio el 2026-11-11 03:25:54 | Host: web

Port 0 is the port you are not supposed to use, so nobody looks there. So we put an IRC network on it. Then I got curious whether anyone else had, and scanned all of IPv4 for port 0. Turns out we weren't alone, and some of our neighbours really shouldn't be there.

Internet bind, ephemeral ports, internet scanning, iptables, irc, linux kernel, masscan, nat, port 0, supernets, tcp

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