[dns-operations] Weird TXT record
bortzmeyer at nic.fr
Wed Jun 22 12:02:50 UTC 2011
On Wed, Jun 22, 2011 at 10:39:56AM +0100,
James Stevens <James.Stevens at cdns.net> wrote
a message of 20 lines which said:
> I won't accept packets from someone unless they are announcing that
> subnet to me - would that work, or is the BGP too weird for it to be
> that simple?
It's called Strict Reverse Path Forwarding. RFC 3704. Section 2.2
discusses why it is not always a good idea.
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