A re-enactment of the Joyent Puzzler article, this time on FreeBSD and traced with DTrace.
Start servers
$ cd kang && vagrant up
$ cd kodos && vagrant up
Execute the following commands each in their own terminal:
$ sudo dtrace -q -s /vagrant/dtrace_server.d
$ sudo dtrace -q -s /vagrant/tcpstate.d
$ nc -k -l 10.0.1.10 8080
Same for client, each in their own terminal
$ sudo dtrace -q -s /vagrant/dtrace_client.d
$ sudo dtrace -q -s /vagrant/tcpstate.d
$ nc -k -l 10.0.1.10 8080