Re: notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias

[Wietse Venema]

Alan Cox:
> > 127.0.0.2 is not local on any of my systems. The only exceptions
> > are some Linux boxen that I did not ask to do so.
> 
> Todays reading is from RFC990 in the book of Reynolds & Postel, page number 6
> 
> And the IETF spake thusly
> 
> |  The class A network number 127 is assigned the "loopback" function, that
> | is, a datagram sent by a higher level protocol to a network 127 address
> | should loop back inside the host. No datagram "sent" to a network 127
> | address should ever appear on any network anywhere.

That's routing.

I was talking about accepting connections. None of my systems
accepts connections on 127.0.0.2, except for a couple Linux boxen
that I did not ask to do so.

	Wietse