Re: [ietf-dkim] [Editorial Errata Reported] RFC6376 (5260)

2018-02-08 Thread Pete Resnick
On 8 Feb 2018, at 10:23, Dave Crocker wrote: On 2/8/2018 10:05 AM, Pete Resnick wrote: So, no error in 5322. As for the erratum below, not having ABNF for the header field does seem like a miss, though I'm not sure it should be marked as more than "Hold for document update". Co

Re: [ietf-dkim] [Editorial Errata Reported] RFC6376 (5260)

2018-02-08 Thread Pete Resnick
ensitive, specify the characters individually. RFC 7405 is also useful along these lines. So, no error in 5322. As for the erratum below, not having ABNF for the header field does seem like a miss, though I'm not sure it should be marked as more than "Hold for document update". pr

Re: [ietf-dkim] Final update to 4871bis for working group review

2011-07-08 Thread Pete Resnick
I want to try to be precise, which I don't think Charles is being with his below two sets of facts. Let me try to clarify: On 7/8/11 5:52 AM, Charles Lindsey wrote: 1. The fact that DKIM choose headers to sign from the bottom up (for good reason) facilitates certain attacks (not against DKIM,

Re: [ietf-dkim] Final update to 4871bis for working group review

2011-07-07 Thread Pete Resnick
I am perfectly happy with Murray's original (and now, revised) text. (Nits still being discussed are entirely up to the WG.) I am not happy with Charles's text. Particularly: On 7/7/11 5:08 AM, Charles Lindsey wrote: Recall that, when multiple instances of a given header field are

Re: [ietf-dkim] Pete's review of 4871bis

2011-06-29 Thread Pete Resnick
On 6/29/11 11:11 AM, Barry Leiba wrote: Pete: I'll mostly let the editors reply to this, but there are a couple of things I want to say first. The first thing is that it's out of scope to address changes to things that were in RFC 4871, which was approved by the working group, the

Re: [ietf-dkim] Pete's review of 4871bis

2011-06-29 Thread Pete Resnick
On 6/29/11 11:20 AM, Charles Lindsey wrote: I agree that 8.14 is poorly written (and it was even worse a while back). However, there most certainly IS an attack here, which is NOT the same as the related attack discussed in 8.15, and cannot be prevented by putting extra entries in the 'h='

[ietf-dkim] Pete's review of 4871bis

2011-06-28 Thread Pete Resnick
Folks, I've been reviewing 4871bis for the IESG review on Thursday. I've got a huge number of comments. Some of them (e.g., the first two below) are quite trivial or simple issues that I expect you'd either have no issue with or that I'm happy to ignore; some of them are clearly not trivial

Re: [ietf-dkim] 8bit downgrades

2011-05-19 Thread Pete Resnick
On 5/19/11 12:50 PM, Murray S. Kucherawy wrote: Can anyone remember why there's a SHOULD for the downgrade to 7-bit in RFC4871 Section 5.3, rather than a MUST? The likelihood of breakage is so high when sending 8-bit data that DKIM almost becomes pointless without the upgrade. Not

Re: [ietf-dkim] 8bit downgrades

2011-05-19 Thread Pete Resnick
On 5/19/11 6:09 PM, Michael Thomas wrote: We send things that get forwarded through all kinds of manglers, 8bit manglers just being one variety. In the abstract, you can never know as a signer that a path is clean... it can always be forwarded. So by your argument it should be a MUST since you

Re: [ietf-dkim] 8bit downgrades

2011-05-19 Thread Pete Resnick
On 5/19/11 6:52 PM, Hector Santos wrote: SHOULD is an optional requirement - Its a recommendation for the better, but things will not break things for your peers if you don't follow it. You may be shamed but the person shaming you is the one wrong if they depended on a SHOULD operation as a

Re: [ietf-dkim] PROTO writeup for draft-ietf-dkim-mailinglists-10

2011-05-11 Thread Pete Resnick
On 5/10/11 8:45 PM, Barry Leiba wrote: ...this document might be suitable for Pete's Applicability Statement experiment, at the Proposed Standard level. Leaving aside the question of whether or not this is a good idea... I am of course pleased to see that Barry has interest in my

Re: [ietf-dkim] Re: Optional sender

2008-02-04 Thread Pete Resnick
to require (or REQUIRE) the Sender: field, that would be a bad thing. But I haven't seen anything to that effect in what I've been reading. I'll go back to lurking now, and the rest of you can go back to your regularly scheduled love-fest. pr -- Pete Resnick http://www.qualcomm.com/~presnick