Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-27 Thread Alessandro Vesely
On 26/Oct/10 19:08, Murray S. Kucherawy wrote: On Behalf Of Alessandro Vesely On 26/Oct/10 06:58, Murray S. Kucherawy wrote: a verifying module might return a syntax error code or arrange not to return a positive result even if the signature technically validates. -1. How does might

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Hector Santos
I will not pretend to know (nor really care) what it will take to get over this documentation dilemma but I will provide my comments here: Murray S. Kucherawy wrote: 8.14 Malformed Inputs DKIM allows additional header fields to be added to a signed message without breaking the signature.

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Alessandro Vesely
On 26/Oct/10 06:58, Murray S. Kucherawy wrote: a verifying module might return a syntax error code or arrange not to return a positive result even if the signature technically validates. -1. How does might differ from MAY? ___ NOTE WELL: This list

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Hector Santos
Alessandro Vesely wrote: On 26/Oct/10 06:58, Murray S. Kucherawy wrote: a verifying module might return a syntax error code or arrange not to return a positive result even if the signature technically validates. -1. How does might differ from MAY? I think it creates an IETF procedural bug

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Steve Atkins
On Oct 26, 2010, at 1:49 AM, Hector Santos wrote: I will not pretend to know (nor really care) what it will take to get over this documentation dilemma but I will provide my comments here: Murray S. Kucherawy wrote: 8.14 Malformed Inputs DKIM allows additional header fields to be

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Hector Santos
Steve Atkins wrote: On Oct 26, 2010, at 1:49 AM, Hector Santos wrote: Murray S. Kucherawy wrote: 8.14 Malformed Inputs DKIM allows additional header fields to be added to a signed message without breaking the signature. This tolerance can be abused.. DKIM does not allow additional

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Murray S. Kucherawy
-Original Message- From: ietf-dkim-boun...@mipassoc.org [mailto:ietf-dkim-boun...@mipassoc.org] On Behalf Of Alessandro Vesely Sent: Tuesday, October 26, 2010 2:59 AM To: ietf-dkim@mipassoc.org Subject: Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Steve Atkins
On Oct 25, 2010, at 9:58 PM, Murray S. Kucherawy wrote: 8.14 Malformed Inputs DKIM allows additional header fields to be added to a signed message without breaking the signature. This tolerance can be abused, e.g. in a replay attack, by adding additional instances of header fields that

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread Murray S. Kucherawy
-Original Message- From: John R. Levine [mailto:jo...@iecc.com] Sent: Tuesday, October 26, 2010 3:38 PM To: Murray S. Kucherawy Cc: ietf-dkim@mipassoc.org Subject: Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues) +0.999 My only niggle

Re: [ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-26 Thread John R. Levine
+0.999 My only niggle is where you say dissallowed by section 3.6 of [MAIL], you might want to add a reference to the RFC 2045 which defines the MIME headers. OK. You might also want to mention RFC 4021 which is a laundry list of every known message header. What about referring to the

[ietf-dkim] Take two (was Re: Proposal for new text about multiple header issues)

2010-10-25 Thread Murray S. Kucherawy
8.14 Malformed Inputs DKIM allows additional header fields to be added to a signed message without breaking the signature. This tolerance can be abused, e.g. in a replay attack, by adding additional instances of header fields that are displayed to the end user or used as filtering input,