On Mon 07/Oct/2024 22:10:40 +0200 Brotman, Alex wrote:
Hey folks,
I got a ticket to change the regex that is for the source IP in reports. A few
folks have been having a conversation in the PR, and thought we'd bring it to
the list.
https://github.com/ietf-wg-dmarc/draft-ietf-dmarc-aggregate-reporting/pull/19
There are a couple of offerings to change, and questions about how
specific/accurate it must be. Thanks for your input
Let me repeat the point. Currently there is a dozen alternative regular
expressions (that is, OR joined) which allow various styles of IP addresses,
and we've been wondering whether 01.02.03.04 is valid (rather than 1.2.3.4) and
similar trivialities.
However clever, then, those expressions will never exclude RFC 1918 and other
addresses which are not valid or not useful in an aggregate report. And maybe
there are still bugs that exclude valid ones. So, why don't we replace all
that toilsome stuff with an easy one-liner:
<xs:pattern value="[0-9a-fA-F.:]{2,45}"/>
(string of two to forty five hexadecimal numbers, dots and columns)?
Best
Ale
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