[dns-operations] DNS request for ./NS with two extra bytes at the end

John Levine johnl at taugh.com
Thu May 26 19:37:38 UTC 2022


It appears that Brown, William <wbrown at e1b.org> said:
>-=-=-=-=-=-
>It made sense 40 years ago when it was written.  In today’s security environment,  it does not.

It made sense and still makes sense when you know what Postel meant.

Be liberal in what you accept when the specification is ambiguous, not
accept any random garbage and try to guess what it means.

R's,
John

>From: P Vixie <paul at redbarn.org>
>Sent: Thursday, May 26, 2022 11:23 AM
>To: Stephane Bortzmeyer <bortzmeyer at nic.fr>
>Cc: dns-operations at lists.dns-oarc.net
>Subject: Re: [dns-operations] DNS request for ./NS with two extra bytes at the end
>
>The robustness principle is diametrically wrong. We must be ultra conservative in what we accept, to put back pressure on
>silly bugs before they can gain market share.
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