Re: [Asrg] Consent Proposal

Yakov Shafranovich <research@solidmatrix.com> Mon, 30 June 2003 18:29 UTC

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To: Mark McCarron <markmccarron_itt@hotmail.com>, asrg@ietf.org
From: Yakov Shafranovich <research@solidmatrix.com>
Subject: Re: [Asrg] Consent Proposal
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Date: Mon, 30 Jun 2003 14:26:28 -0400

This raises an interesting issue for the group in general. If the current 
spam problem is not fixed, would there be a move to proprietary alternative 
email solutions such as this one?

Yakov

At 06:21 PM 6/30/2003 +0000, you wrote:


>The 'GIEIS' system is not designed to be backwards compatible.  There is 
>no possible way for any solution to arise using the current system.  If it 
>could be achieved it would have happened by now.
>
>I am completely unconcerned with objections.  As I said before, I not 
>designing a system to win a 'popularity' contest.  I am concerned with 
>only one thing, complete effectiveness.  Nothing else.
>
>I looked at the systems you from the links you provided.  They can all be 
>bypassed without too much effort.
>
>It will not be an alternative, the system will not be active until the 
>patner companies are ready.  Then it will become exclusive.
>
>I read mike's proposal, its slightly different from my system.  You will 
>understand this within the next hour or so.
>
>Mark McCarron.
>
>
>
>>From: Yakov Shafranovich <research@solidmatrix.com>
>>To: "Mark McCarron" <markmccarron_itt@hotmail.com>,asrg@ietf.org
>>Subject: Re: [Asrg] Consent Proposal
>>Date: Mon, 30 Jun 2003 13:54:33 -0400
>>
>>At 05:06 PM 6/30/2003 +0000, Mark McCarron wrote:
>>
>>>Thankyou for your reply.  I have not been posting this conversation to 
>>>the group.  You can if you wish, you have my full permission to do so.
>>>
>>>Sorry, I wasn't refering to you personally about selling anti-span 
>>>solutions, that was just a general comment.  'The Ultimate Spam System' 
>>>may be too hard to handle, but that is an accurate description of the system.
>>
>>There are numerous other proposals that seek to change the underlying 
>>infrastructure - YOU ARE NOT ALONE. Example of this would be Walter 
>>Dnes's proposal, another example would the AMDP protocol 
>>(http://www.amdpmail.com/), MTP protocol 
>>(http://www.danisch.de/tmp/draft_mtp.txt), etc. Also take a look at this 
>>list message 
>>(https://www1.ietf.org/mail-archive/working-groups/asrg/current/msg00882.html) 
>>that lists objection to new systems.
>>
>>>Also, as you learn within the next few hours, the system will be near 
>>>impossible to hack based upon its architecture.  I have complete the 
>>>overview today, and it will be released in the next coming hours to the 
>>>mailing group.
>>>
>>>I feel that change to the architecture is the magic bullet solution.  I 
>>>am not claiming this will be easy, but it is certainly far from impossible.
>>
>>We know as a group that changing the architecture will significantly 
>>reduce the spam problem. However, moving over and implementing such 
>>change is extremely hard as Alan DeKok and many other pointed out. Our 
>>goal is to create a cohesive framework for anti-spam solutions with 
>>short, medium and long term solutions.
>>
>>>This will not be an alternative email system that will reside along side 
>>>the current one.  It will replace it completely making it entirely redundant.
>>
>>However until it does, it will operate side by side with the regular 
>>SMTP. Thus, its alternative.
>>
>>>The US military is instigating a change to IPv6 in mid 2004 or 2006 
>>>(I'll clear that date up, the source is at Reuters, I read it a few days ago).
>>>This will have a global impact, I believe that 'GIEIS' would be 
>>>implemented at this stage also.
>>
>>IPv6 is backwards compatible with IPv4 UNLIKE your system, Walter Dnes's 
>>proposal and many others have accounted to backwards compatibility, you 
>>have not yet as seen from this quote:
>>
>>"What would happen if this system was implemented and I tried to send 
>>spam or even an email from an older server?
>>The message would not be received by those protected by 'GIEIS'."
>>
>>>Also, my system would inform users when a limit was reached.  Users 
>>>would know if they sent this volume of email and the system would have 
>>>information of those who suspect their machine was infected or hacked.
>>
>>This idea has been proposed before by Mike Rubel 
>>(https://www1.ietf.org/mail-archive/working-groups/asrg/current/msg04616.html).
>>
>>>Mark McCarron.
>>>
>>>
>>>>From: Yakov Shafranovich <research@solidmatrix.com>
>>>>To: "Mark McCarron" <markmccarron_itt@hotmail.com>
>>>>Subject: [offlist] Re: [Asrg] Consent Proposal
>>>>Date: Mon, 30 Jun 2003 12:29:09 -0400
>>>>
>>>>The consent framework is not a specific solution - its a framework. 
>>>>Various anti-spam tools and proposals including yours will fit into 
>>>>this framework. It is more of a bird-eye view of all anti-spam solutions.
>>>>
>>>>As for your specific proposal, first of all my company does not write 
>>>>or distribute anti-spam software so I do not have "financial 
>>>>considerations" here. I also do not like the name calling between 
>>>>different group members - it causes a feeling of discord. Additionally, 
>>>>calling your system "the ultimate anti spam system" is a bit too much 
>>>>for most members to handle. I would like to see everyone to stay away 
>>>>from name calling while keeping in mind that this is a technical list.
>>>>
>>>>As for the technical considerations of your proposal, what you are 
>>>>proposing essentially is an alternative email system along side of the 
>>>>current one. This is similar to the system being proposed by Walter 
>>>>Dnes except that his system does not rely on cryptographic methods (see 
>>>>https://www1.ietf.org/mail-archive/working-groups/asrg/current/msg05683.html). 
>>>>The problem with this system is three fold - one is the fact that 
>>>>everyone has to change in order to use it which is also a problem with 
>>>>Walter's proposal. The second problem is privacy - what you are 
>>>>essentially proposing is that every single email message will have a 
>>>>tracking number that can be traced to the sender. This creates 
>>>>potential for abuse. Third, inter-operability with existing email is a 
>>>>big problem as well since no one would want to use an alternative 
>>>>system unless many people will switch over to it and many people will 
>>>>not switch to it until others use it. If you look through the mailing 
>>>>list archive somewhere there is a list of requirements by Eric 
>>>>Williams. I asked him to email me the most recent copy which I will 
>>>>forward to you. Among those requirements, deployment and 
>>>>inter-operability rank pretty high up.
>>>>
>>>>It is obvious that creating an alternative email system will cut down 
>>>>on spam since its the open nature of the Net that causes it. But as I 
>>>>mentioned before, cell phone companies build their SMS systems based on 
>>>>email (at least in US) and SMTP, so you can see how pervasive existing 
>>>>standards are. Additionally, as Barry Shain has mentioned many times 
>>>>before, much of spam is being sent via hacked computers. Even with your 
>>>>rate limits in place, spammers can probably be able to coordinate many 
>>>>hacked computers to send spam from legit GEIS/EAS senders.
>>>>
>>>>Among the various discussions over the last few months, many of the 
>>>>group members have reached a conclusion that there is not magic silver 
>>>>bullet that will stop spam overnight. Rather, a combination of various 
>>>>solutions and proposals will start cutting into the spam flow until it stops.
>>>>
>>>>Yakov
>>>>
>>>>P.S. I am replying to you off-list since the message that you sent me 
>>>>was not CCed to the group list. Please let me know if this is correct 
>>>>because I would rather have discussions in public so we can get 
>>>>comments from other people.
>>>>
>>>>At 03:23 AM 6/30/2003 +0000, Mark McCarron wrote:
>>>>
>>>>>Paul is an excellent poster, he has the subject matter clearly defined.
>>>>>I see he has broken the issue down to two major catagories, local and 
>>>>>global.
>>>>>The consent system is going to be difficult to implement, I haven't 
>>>>>seen anything that actually deals with issue of how to prevent sending spam.
>>>>>The 'GIEIS' system would be on the middle ground in terms of consent 
>>>>>and its application would be global.  It forces the erasure/stoppage 
>>>>>of all fraudulent email but also allows the end-user the whitelist options.
>>>>>
>>>>>There has been a lot of confusion on the system and I have been 
>>>>>compiling all the postings in one file so that I can clearly address 
>>>>>all concerns.
>>>>>Also, there seems to be quite a bit of opposition to the idea of a 
>>>>>centralised angency and a lot of paranoid responses to it.  The more I 
>>>>>post on the subject, and the clearer the system has become, concerns 
>>>>>have dwindled.  The main opposition now comes from those advocating 
>>>>>'anti-spam software' and this is just to protect financial considerations.
>>>>>
>>>>>'GIEIS' is the only proposal I have ever seen that can stop all 
>>>>>fraudulent email.  Are you aware of any others?
>>>>>
>>>>>I'm am in the process of designing an Internet draft of the 
>>>>>system.  It is a major task as there is a lot to go through.  I have 
>>>>>30 pages of comments alone to address, however, all the comments have 
>>>>>a resolution within the 'GIEIS' system.  I will post a complete 
>>>>>accurate proposal of the system in the next few days once I have 
>>>>>compiled all the information together.  It will refer to both local, 
>>>>>global, consent and forced issues.
>>>>>
>>>>>Mark McCarron.
>>>>>
>>>>>
>>>>>>From: Yakov Shafranovich <research@solidmatrix.com>
>>>>>>To: "Mark McCarron" 
>>>>>><markmccarron_itt@hotmail.com>,research@solidmatrix.com
>>>>>>Subject: Re: [Asrg] Consent Proposal
>>>>>>Date: Sun, 29 Jun 2003 22:52:34 -0400
>>>>>>
>>>>>>Take a look at today's message from the chair, Paul Judge, on this 
>>>>>>subject 
>>>>>>(https://www1.ietf.org/mail-archive/working-groups/asrg/current/msg05968.html). 
>>>>>>The consent framework that we are discussing is not limited to 
>>>>>>end-users only. The generic proposal that I put forth concentrated 
>>>>>>specifically on the end-user and this is probably what is throwing you off.
>>>>>>
>>>>>>Yakov
>>>>>>
>>>>>>At 02:46 AM 6/30/2003 +0000, Mark McCarron wrote:
>>>>>>
>>>>>>>This I understand very well.  What I am asking is, have you been 
>>>>>>>able to overcome any of the limitations I mentioned?
>>>>>>>
>>>>>>>Mark McCarron.
>>>>>>>
>>>>>>>
>>>>>>>>From: Yakov Shafranovich <research@solidmatrix.com>
>>>>>>>>To: "Mark McCarron" <markmccarron_itt@hotmail.com>,asrg@ietf.org
>>>>>>>>Subject: Re: [Asrg] Consent Proposal
>>>>>>>>Date: Sun, 29 Jun 2003 22:41:54 -0400
>>>>>>>>
>>>>>>>>First of all take a look a the group's charter 
>>>>>>>>(http://www.irtf.org/charters/asrg.html). As the charter states we 
>>>>>>>>are seeking to define an overall consent framework and fit in all 
>>>>>>>>the different spam proposals into it. The proposal below was put 
>>>>>>>>forth to solicit opinions and ideas from people on consent in 
>>>>>>>>general and the consent framework in particular.
>>>>>>>>
>>>>>>>>Yakov
>>>>>>>>
>>>>>>>>At 01:20 AM 6/30/2003 +0000, Mark McCarron wrote:
>>>>>>>>
>>>>>>>>>Yakov,
>>>>>>>>>
>>>>>>>>>This system is very similar, in fact almost identical, to the 
>>>>>>>>>current one employed by Hotmail.  It is not effective in 
>>>>>>>>>eliminating spam, the end user still recieves it and has to deal 
>>>>>>>>>with it.  Also, it does not address the main issue about spam and 
>>>>>>>>>that is the roughly 30% band-width absorbed across the Internet by 
>>>>>>>>>it.  All this seems to do is sort it at the recieving end.
>>>>>>>>>
>>>>>>>>>I also read something about a confirmation being sent back from 
>>>>>>>>>the server, this is just an adaptation of challange response.
>>>>>>>>>
>>>>>>>>>It also does not address the issue of spammer's who use their own 
>>>>>>>>>mail servers.
>>>>>>>>>Can you clear any of these problems up?
>>>>>>>>>
>>>>>>>>>Mark McCarron.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> > > > > -----Original Message-----
>>>>>>>>>> > > > > From: Yakov Shafranovich [mailto:research@solidmatrix.com]
>>>>>>>>>> > > > > Sent: Thursday, June 26, 2003 11:23 AM
>>>>>>>>>> > > > > To: asrg@ietf.org
>>>>>>>>>> > > > > Subject: [Asrg] Consent Proposal
>>>>>>>>>> > > > >
>>>>>>>>>> > > > >
>>>>>>>>>> > > > > I would like to provide a generic proposal for
>>>>>>>>>> > > consent-based system
>>>>>>>>>> > > > > as per
>>>>>>>>>> > > > > charter:
>>>>>>>>>> > > > >
>>>>>>>>>> > > > > 1. Users and/or ISP define rules and filters to=20
>>>>>>>>>>filter incoming=20
>>>>>>>>>> > > > > email. Rules/filters are decided by end users and ISPs,
>>>>>>>>>> > > and are not
>>>>>>>>>> > > > > mandated.
>>>>>>>>>> > > > > Every user/ISP can define its own policies ranging=20
>>>>>>>>>>from banning=20
>>>>>>>>>> > > > > all email not digitally signed to blocking HTML.
>>>>>>>>>> > > > > 2. For each email user, the MUA or the ISP maintains a
>>>>>>>>>> > > > > whitelist of trusted
>>>>>>>>>> > > > > senders, blacklist of blocked senders and a graylist of
>>>>>>>>>> > > > > unknown senders.
>>>>>>>>>> > > > > Whitelisted senders go the inbox, graylisted senders go to
>>>>>>>>>> > > > > the bulk folder,
>>>>>>>>>> > > > > and blacklisted senders are either in the spam folder or
>>>>>>>>>> > > > > erased. 3. Whitelists are not only a list of email addresses
>>>>>>>>>> > > > > of trusted senders,
>>>>>>>>>> > > > > but to avoid sender spoofing also have additional features
>>>>>>>>>> > > > > such as digital
>>>>>>>>>> > > > > signatures, certificates, passwords, tokens, etc.
>>>>>>>>>> > > > > 4. Additional automatic whitelist rules are defined as such
>>>>>>>>>> > > > > email from
>>>>>>>>>> > > > > trusted senders (e.g. Habeas) is automatically goes to the
>>>>>>>>>> > > > > inbox unless
>>>>>>>>>> > > > > blacklisted, etc. C/R systems are also integrated and upon
>>>>>>>>>> > > > > receiving a
>>>>>>>>>> > > > > positive response automatically whitelist the sender.
>>>>>>>>>> > > > > 5. Additional automatic blacklist rules are defined such as
>>>>>>>>>> > > > > email coming
>>>>>>>>>> > > > > from known open relays is blocked.
>>>>>>>>>> > > > > 6. Whitelists, graylists and blacklists are stored hashed or
>>>>>>>>>> > > > > encrypted to
>>>>>>>>>> > > > > protect privacy.
>>>>>>>>>> > > > >
>>>>>>>>>> > > > > Any thoughts?
>>>>>>>>>> > > > >
>>>>>>>>>> > > > > Yakov
>>>
>>>_________________________________________________________________
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