You may not have read the entire article, but he clearly explains that their tech stack is FreeBSD + Erlang not Linux + Erlang. There is no /proc/net/tcp on Fr

You may not have read the entire article, but he clearly explains that their tech stack is FreeBSD + Erlang not Linux + Erlang. There is no /proc/net/tcp on FreeBSD. Hell, there is no /proc unless it is specifically mounted by the administrator, but tools certainly don't use it to get data.