This isn't true on non-windows OSes, where 0.0.0.0 (or simply 0) means all interfaces, not nothing. ssh to a web server and do curl 0 ; it's a super-useful shor

This isn't true on non-windows OSes, where 0.0.0.0 (or simply 0) means all interfaces, not nothing. ssh to a web server and do curl 0 ; it's a super-useful shortcut. Further reading: http://serverfault.com/questions/78048/whats-the-difference-between-ip-address-0-0-0-0-and-127-0-0- http://serverfault.com/questions/78048/whats-the-difference-... http://en.m.wikipedia.org/wiki/0.0.0.0 http://en.m.wikipedia.org/wiki/0.0.0.0