- https://idea.popcount.org/2014-04-03-bind-before-connect/
- cat /proc/sys/net/ipv4/ip_local_port_range
- http://users.pja.edu.pl/~jms/qnx/help/tcpip_4.25_en/prog_guide/sock_advanced_tut.html
- http://www.yolinux.com/TUTORIALS/Sockets.html
- http://www.softlab.ntua.gr/facilities/documentation/unix/unix-socket-faq/unix-socket-faq.html#toc2
