Fwd: RPKI Pilot Participant Notice

2012-09-05 Thread Randy Bush
can you find the fatal flaw? [ hint: how does an isp in phnom penh validate my route? ] randy ---BeginMessage--- Our records indicate that you have requested and received access to ARIN's RPKI Pilot. ARIN is preparing to release our production RPKI hosted solution in mid to late September of

Re: 91.201.64.0/22 hijacked?

2012-09-05 Thread Georgios Theodoridis
I was wondering if there is a repository with references of prefix hijack cases. We would like to use such information for a BGP anomaly detection analysis that we are carrying out in our research centre. Unfortunately, apart from the well known cases (Youtube-Pakistan case in 2008 and the

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Daniel Taylor
On 09/04/2012 03:52 PM, Michael Thomas wrote: On 09/04/2012 09:34 AM, Daniel Taylor wrote: If you are sending direct SMTP on behalf of your domain from essentially random locations, how are we supposed to pick you out from spammers that do the same? Use DKIM. You say that like it's a

Re: Blocking MX query

2012-09-05 Thread David Barak
On Sep 4, 2012, at 11:45 PM, Suresh Ramasubramanian ops.li...@gmail.com wrote: So - now with ipv6 you're going to see hi, my toto highly computerized toilet is trying to make outbound port 25 connections to gmail

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Henry Stryker
On 09/05/12 05:56 , Daniel Taylor wrote: Use DKIM. You say that like it's a lower bar than setting up a fixed SMTP server and using that. Besides, doesn't DKIM break on mailing lists? Not only that, but a majority of spam I receive lately has a valid DKIM signature. They are adaptive, like

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Izaac
On Wed, Sep 05, 2012 at 07:50:12AM -0700, Henry Stryker wrote: Not only that, but a majority of spam I receive lately has a valid DKIM signature. They are adaptive, like cockroaches. This is why tcp port 25 filtering is totally effective and will remain so forever. Definitely worth breaking

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Michael Thomas
On 09/05/2012 05:56 AM, Daniel Taylor wrote: On 09/04/2012 03:52 PM, Michael Thomas wrote: On 09/04/2012 09:34 AM, Daniel Taylor wrote: If you are sending direct SMTP on behalf of your domain from essentially random locations, how are we supposed to pick you out from spammers that do the

Re: Level 3 BGP Advertisements

2012-09-05 Thread Marc Storck
Just for kicks, I tried using a .0.0/16 and .255.255/16 adress for stuff in IOS (configured it as loopback and tried to establish bgp sessions etc), that didn't work so well. I don't remember exactly what the problem was, but I did indeed run into problems. LU-CIX uses .255 and .0 for their

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Greg Ihnen
On Wed, Sep 5, 2012 at 11:11 AM, Izaac iz...@setec.org wrote: On Wed, Sep 05, 2012 at 07:50:12AM -0700, Henry Stryker wrote: Not only that, but a majority of spam I receive lately has a valid DKIM signature. They are adaptive, like cockroaches. This is why tcp port 25 filtering is totally

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Sean Harlow
On Sep 5, 2012, at 11:11, Izaac wrote: This is why tcp port 25 filtering is totally effective and will remain so forever. Definitely worth breaking basic function principles of a global communications network over which trillions of dollars of commerce occur. Two things to note: 1.

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Sean Harlow
On Sep 5, 2012, at 11:46, Greg Ihnen wrote: But as someone pointed out further back on this thread people who want to have their mail servers available to people who are on the other side of port 25 filtering just use the alternate ports. So then what does filtering port 25 accomplish? The

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Michael Thomas
On 09/05/2012 07:50 AM, Henry Stryker wrote: Not only that, but a majority of spam I receive lately has a valid DKIM signature. They are adaptive, like cockroaches. The I part of DKIM is Identified. That's all it promises. It's a feature, not a bug, that spammers use it. Mike

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Michael Thomas
On 09/05/2012 08:49 AM, Sean Harlow wrote: 2. The reason port 25 blocks remain effective is that there really isn't a bypass. In the Maginot Line sense, manifestly. Mike

Re: RPKI Pilot Participant Notice

2012-09-05 Thread Mark Kosters
On 9/5/12 3:26 AM, Randy Bush ra...@psg.com wrote: can you find the fatal flaw? [ hint: how does an isp in phnom penh validate my route? ] randy Hi Randy Your question is a bit cryptic. Could you be more specific about your concern? Thanks, Mark

Tata Equinix

2012-09-05 Thread Morgan Miskell
Anyone on the list from Tata that can help address a Tata Equinix Ashburn issue? -- Morgan A. Miskell CaroNet Data Centers 704-643-8330 x206 The information contained in this e-mail is confidential and is intended only

Re: RPKI Pilot Participant Notice

2012-09-05 Thread Richard Barnes
I think Randy meant to imply that requiring anyone that wants to actually use the RPKI to make a legal agreement with ARIN might not be the best way to encourage deployment. On Wed, Sep 5, 2012 at 2:56 PM, Mark Kosters ma...@arin.net wrote: On 9/5/12 3:26 AM, Randy Bush ra...@psg.com wrote:

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Henry Stryker
On 09/05/12 09:13 , Michael Thomas wrote: The I part of DKIM is Identified. That's all it promises. It's a feature, not a bug, that spammers use it. Which is why DKIM does not really address any concerns. The spammers have reduced its value. I am retired now, but do run my own mail server

Re: RPKI Pilot Participant Notice

2012-09-05 Thread Christopher Morrow
On Wed, Sep 5, 2012 at 3:05 PM, Richard Barnes richard.bar...@gmail.com wrote: I think Randy meant to imply that requiring anyone that wants to actually use the RPKI to make a legal agreement with ARIN might not be define 'use'... o 'stick their objects into the repo' sure a contract sounds

Re: RPKI Pilot Participant Notice

2012-09-05 Thread Gary Buhrmaster
On Wed, Sep 5, 2012 at 7:24 PM, Christopher Morrow morrowc.li...@gmail.com wrote: . a closer (by me) reading of: In order to access the production RPKI TAL, you will first have to agree to ARIN's Relying Party Agreement before the TAL will be emailed to you. To request the TAL after the

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Daniel Taylor
On 09/05/2012 10:19 AM, Michael Thomas wrote: On 09/05/2012 05:56 AM, Daniel Taylor wrote: On 09/04/2012 03:52 PM, Michael Thomas wrote: On 09/04/2012 09:34 AM, Daniel Taylor wrote: If you are sending direct SMTP on behalf of your domain from essentially random locations, how are we

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Michael Thomas
On 09/05/2012 12:50 PM, Daniel Taylor wrote: On 09/05/2012 10:19 AM, Michael Thomas wrote: On 09/05/2012 05:56 AM, Daniel Taylor wrote: On 09/04/2012 03:52 PM, Michael Thomas wrote: On 09/04/2012 09:34 AM, Daniel Taylor wrote: If you are sending direct SMTP on behalf of your domain from

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Daniel Taylor
On 09/05/2012 03:01 PM, Michael Thomas wrote: On 09/05/2012 12:50 PM, Daniel Taylor wrote: On 09/05/2012 10:19 AM, Michael Thomas wrote: On 09/05/2012 05:56 AM, Daniel Taylor wrote: On 09/04/2012 03:52 PM, Michael Thomas wrote: On 09/04/2012 09:34 AM, Daniel Taylor wrote: If you are

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Izaac
On Wed, Sep 05, 2012 at 11:46:34AM -0400, Greg Ihnen wrote: On Wed, Sep 5, 2012 at 11:11 AM, Izaac iz...@setec.org wrote: On Wed, Sep 05, 2012 at 07:50:12AM -0700, Henry Stryker wrote: signature. They are adaptive, like cockroaches. This is why tcp port 25 filtering is totally effective

Re: RPKI Pilot Participant Notice

2012-09-05 Thread Danny McPherson
On Sep 5, 2012, at 3:32 PM, Gary Buhrmaster wrote: My interpretation was what Randy implied, and that ARIN wants an agreement with everyone who gets a (presumably unique to the agreement) TAL to protect ARIN. That would seem like a lot of overhead to maintain to me (since as I recall a

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Joe St Sauver
Izaac iz...@setec.org commented: #I suspect your ISP is also stripping sarcasm tags. Let's try it out #again: # # You can tell that tcp port 25 filtering is a highly effective spam # mitigation technique because spam levels have declined in direct # proportion to their level of deployment.

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Izaac
On Tue, Sep 04, 2012 at 03:45:32PM -0400, William Herrin wrote: That's what firewalls *are for* Jay. They intentionally break end-to-end for communications classified by the network owner as undesirable. Whether a particular firewall employs NAT or not is largely beside the point here. Either

Re: RPKI Pilot Participant Notice

2012-09-05 Thread Randy Bush
[ hint: how does an isp in phnom penh validate my route? ] Your question is a bit cryptic. moi? :) Could you be more specific about your concern? essentially, as the rirs have resisted iana being the root ta, the arin tal is necessary for anyone to validate anything which dependa on the

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Cutler James R
On Sep 5, 2012, at 5:12 PM, Izaac iz...@setec.org wrote: Since tcp25 filtering has been so successful, we should deploy filters for everything except tcp80 and tcp443 and maaaybe tcp21 -- but NAT already does so much to enhance the user experience there already. And what with ISP

Akamai Peering Tech

2012-09-05 Thread Kris Amy
Hi All, If there is an Akamai peering tech around could they contact me off-list regarding a BGP session which has been bouncing for a while. Cheers, Kris

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread William Herrin
On Wed, Sep 5, 2012 at 5:12 PM, Izaac iz...@setec.org wrote: I suspect your ISP is also stripping sarcasm tags. Let's try it out again: You can tell that tcp port 25 filtering is a highly effective spam mitigation technique because spam levels have declined in direct proportion to

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread John Levine
In article 5047a2ea.8010...@hup.org you write: On 09/05/12 09:13 , Michael Thomas wrote: The I part of DKIM is Identified. That's all it promises. It's a feature, not a bug, that spammers use it. Which is why DKIM does not really address any concerns. The spammers have reduced its value.

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread John Levine
Well, if you've got proper forward and reverse DNS, and your portable SMTP server identifies itself properly, and you are using networks that don't filter outbound port 25, AND you have DKIM configured correctly and aren't using it for a situation for which it is inappropriate, then you'll get

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread valdis . kletnieks
On 05 Sep 2012 23:07:07 -, John Levine said: Not really. Large mail system like Gmail and Yahoo have a pretty good map of the IPv4 address space. If you're sending from a residential DSL or cable modem range, they'll likely reject any mail you send directly no matter what you do. Which

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Jimmy Hess
On 9/4/12, Jay Ashworth j...@baylink.com wrote: It is regularly alleged, on this mailing list, that NAT is bad *because it violates the end-to-end principle of the Internet*, where each host is a full-fledged host, able to connect to any other host to perform transactions. Both true. and NAT

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Sean Harlow
On Sep 5, 2012, at 19:07, John Levine wrote: Not really. Large mail system like Gmail and Yahoo have a pretty good map of the IPv4 address space. If you're sending from a residential DSL or cable modem range, they'll likely reject any mail you send directly no matter what you do. While

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Jimmy Hess
On 9/5/12, Sean Harlow s...@seanharlow.info wrote: While I've clearly been on the side of don't expect this to work, why do you have your laptop set up like that?, and defending the default-blocking behavior on outbound, this is not true at least for Gmail. I have a test Asterisk box which

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Masataka Ohta
Jimmy Hess wrote: NAT would fall under design flaw, because it breaks end-to-end connectivity, such that there is no longer an administrative choice that can be made to restore it (other than redesign with NAT removed). The end to end transparency can be restored easily, if an administrator

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread valdis . kletnieks
On Thu, 06 Sep 2012 13:08:29 +0900, Masataka Ohta said: The end to end transparency can be restored easily, if an administrator wishes so, with UPnP capable NAT and modified host transport layer. How does the *second* host behind the NAT that wants to use global port 7719 do it?

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Masataka Ohta
(2012/09/06 13:15), valdis.kletni...@vt.edu wrote: On Thu, 06 Sep 2012 13:08:29 +0900, Masataka Ohta said: The end to end transparency can be restored easily, if an administrator wishes so, with UPnP capable NAT and modified host transport layer. How does the *second* host behind the NAT

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Owen DeLong
On Sep 5, 2012, at 21:08 , Masataka Ohta mo...@necom830.hpcl.titech.ac.jp wrote: Jimmy Hess wrote: NAT would fall under design flaw, because it breaks end-to-end connectivity, such that there is no longer an administrative choice that can be made to restore it (other than redesign with

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Cameron Byrne
On Wed, Sep 5, 2012 at 9:39 PM, Owen DeLong o...@delong.com wrote: On Sep 5, 2012, at 21:08 , Masataka Ohta mo...@necom830.hpcl.titech.ac.jp wrote: Jimmy Hess wrote: NAT would fall under design flaw, because it breaks end-to-end connectivity, such that there is no longer an administrative

Re: The End-To-End Internet (was Re: Blocking MX query)

2012-09-05 Thread Masataka Ohta
Owen DeLong wrote: then, if transport layer of the host is modified to perform reverse translation (information for the translation can be obtained through UPnP): (local IP, global port) - (global IP, global port) Now, NAT is transparent to application layer. Never mind the fact