[ILUG] mail account.
Dave O Connor
doc+ilug at redbrick.dcu.ie
Sat Mar 13 22:23:42 GMT 2004
John Reilly said on Sat, Mar 13, 2004 at 10:06:37PM +0000:
> Dave O Connor wrote:
> >nils said on Fri, Mar 12, 2004 at 08:14:30PM +0000:
> >>Ok so here it is, chorus offers a broadband package,I would imagine
> >>that the chorus engineers would be clued in enough to have the sense to
> >>read some RFC documents about how the internet works, i.e not using
> >>10.x.x.x on public internet.
> >They're not. An internet-facing machine has to have an IP address that's
> >RFC1918 reserved address space. Packets will not route to it otherwise. I
> >don't know where you're getting the idea that they do. They don't. Assuming
> >you're on chorus, what you're seeing below (the 10.0.0.0/8 addresses) are
> >addresses on your local LAN.
> Its not unknown for providers to use RFC1918 addresses in their access
> networks (and a few have used them on transit networks!). Your
> definition of public internet and theirs may be different - I would say
> its really down to the contract you have with them at the end of the day.
Yep, substitute 'local LAN' above for 'local LAN and/or/ISP's internal
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