If you think about the underlying binary values, CIDR — the classless inter-domain routing method of expressing IP address ranges — makes a lot of sense. The trick is understanding that the boundary ...
I'm configuring a Mac (10.5) on the work network and setting the proxies. I've noticed that 169.254/16 is already set by the OS in the "Bypass proxy" box. (Rather than 169.254.0.0/16). Copying over ...