> If you use DHCP, then I think you can configure that. What I have in mind is to assign static IPs to all of my fixed machines anyway, and use DHCP to assign IPs to transient machines. Not sure if that's reasonable, but it's my current thinking.
You probably can, but as it's often said, most security breaches are caused by misconfiguration.
>There may be broken ones, but it doesn't matter so much because your ISP won't route such addresses regardless.
Yeah fair enough, I can trust my ISP to do that at least.