On Mon, Jun 6, 2022 at 1:47 PM Les Barstow <lbarstow=
40proofpoint....@dmarc.ietf.org> wrote:
>
>
> On Monday, June 6, 2022 9:06 AM Todd Herr wrote:
>
>
>
> > Back in late April, after rev -07 of DMARCbis was released, there was
> on-list discussion focused on the ABNF bits (section 5.4), and a need to
> revise them. There was also talk of possible proposed text, but I don't
> recall ever seeing any, so I want to start a new thread to try and close
> this loop.
>
>
>
> > dmarc-uri = URI
>
> > ; "URI" is imported from [RFC3986]; commas (ASCII
>
> > ; 0x2C) and exclamation points (ASCII 0x21)
>
> > ; MUST be encoded
>
>
>
> The note was made back then that dmarc-uri was missing the size limitation
> notation, and that restoring the RFC7489 text should be sufficient:
>
>
>
> dmarc-rui = URI [ "!" 1*DIGIT [ "k" / "m" / "g" / "t" ] ]
>
>
>
> … with the restoration of the comment
>
>
>
> the numeric portion MUST fit within an unsigned 64-bit integer
>
>
>
The current rev of DMARCbis makes no mention of the size limitation. The
final paragraph (shown below) of Section 6.4 (Formal Definition) in RFC
7489 was stricken from what's now Section 5.4, so I'm not sure the size
limitation notation is necessary?
A size limitation in a dmarc-uri, if provided, is interpreted as a
count of units followed by an OPTIONAL unit size ("k" for kilobytes,
"m" for megabytes, "g" for gigabytes, "t" for terabytes). Without a
unit, the number is presumed to be a basic byte count. Note that the
units are considered to be powers of two; a kilobyte is 2^10, a
megabyte is 2^20, etc.
--
*Todd Herr * | Technical Director, Standards and Ecosystem
*e:* todd.h...@valimail.com
*m:* 703.220.4153
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