In message <bc7c01a4-1803-4906-bd90-93037b4ae...@newgeo.com>, Scott Haneda writ
es:
> On Jan 26, 2009, at 10:03 PM, Barry Margolin wrote:
>
> > In article <gllr91$2vq...@sf1.isc.org>,
> > Scott Haneda <talkli...@newgeo.com> wrote:
> >
> >> 100% right. I refuse MX's that are cnamed, and I get emails from
> >> customers asking what is up. What is strange, and I can not figure
> >> it
> >> out, is that the admins of the DNS/email server always tell me this
> >> is
> >> the first time they have heard of it.
> >
> > So you're not following the "be liberal in what you accept" half of
> > the
> > Interoperability Principle, which is intended specifically to avoid
> > problems due to such confusion.
>
>
> Because that worked so well for HTML :)
> I was thinking about that quote just the other day. To be honest, I
> think it applies well to social issues, but not technical or
> engineering/programming ones. The second you accept liberally, that
> tells the submitter that it is ok.
>
> I am hard pressed to think of one case in which liberally accepting
> data is a good thing. It is that very expression that defines why we
> have <b><p><i>sometext<p><b><i>
>
> Just consider the ramifications of parsing that one simple string,
> which is now non trivial to parse. What is C worked this way?
>
> Just some thoughts I was having the other day.
> --
> Scott
>
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Liberal in what you accepts means don't die on arbitary
input. You should still reject rubbish.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: mark_andr...@isc.org
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