Re: Private port numbers?

On Wed, 13 Aug 2003, Iljitsch van Beijnum wrote:

It's not the same thing. RFC 1918 and martian addresses aren't supposed to be present on the internet, but aren't automatically harmful. Having services that are explicitly labeled for internal use be visible to the rest of the world is potentially very harmful.

I think I'm missing something, how would a locally managed firewall (local to the end station) not permit this same scenario? (without the added confusion of private/public ports)