Re: Economics of SPAM [Was: Micorsoft's Sender ID Authentication......?]

2005-06-13 Thread Michael . Dillon
You have to manage to lower the reputation of that host within a very short amount of time to increase the transaction costs sufficiently for the spammer to make the effort worthwhile. Or you have to ensure that the sending ISP can react quickly and stop the flow of spam so that only a

Re: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?]

2005-06-13 Thread sthaug
Here's a simple mechanism which has not yet been tried seriously. Email server peering. This means that an SMTP server operator only accepts incoming mail from operators with whom they have a bilateral email peering agreement. This has been tried in the X.400 world. I wouldn't exactly say

ISP's Contact List

2005-06-13 Thread Sanfilippo, Ted
Does anyone know if their is a comprised list of ISP contacts available anywhere ( other then through ARIN/RIPE and iNOC phone) Also, I ran into a problem with a new /16 block we received from ARIN. The IP-Country info points to Canada which is not accurate. We are a US based company. I

Re: ISP's Contact List

2005-06-13 Thread Janet Sullivan
Sanfilippo, Ted wrote: Does anyone know if their is a comprised list of ISP contacts available anywhere ( other then through ARIN/RIPE and iNOC phone) http://puck.nether.net/netops/nocs.cgi

Re: ISP's Contact List

2005-06-13 Thread Suresh Ramasubramanian
On 13/06/05, Sanfilippo, Ted [EMAIL PROTECTED] wrote: Also, I ran into a problem with a new /16 block we received from ARIN. The IP-Country info points to Canada which is not accurate. We are a US based company. I had placed a request into Geobyte to make the change to US, I am still

Best practice ACLs for a internet facing border router?

2005-06-13 Thread Drew Weaver
I'm just curious if anyone has ever published a list of what is an agreed upon best practice list of ACLs for an internet facing border router. I'm talking about things like bogons, private Ip addresses, et cetera. If anyone is aware of anything like this I'd like to see it. Thanks,

RE: Best practice ACLs for a internet facing border router?

2005-06-13 Thread Frotzler, Florian
ftp://ftp-eng.cisco.com/cons/isp/security/Ingress-Prefix-Filter-Template s/ Florian -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Drew Weaver Sent: Montag, 13. Juni 2005 16:28 To: nanog@merit.edu Subject: Best practice ACLs for a internet

RE: ISP's Contact List

2005-06-13 Thread Sanfilippo, Ted
Suresh, Sorry I meant GEOBYTES --- http://www.geobytes.com/IpLocator.htm When I enter my new /16 at this site it translates to Canada and it shouldn't. ARIN reports the address properly on the ARIN lookup. I have sent emails to the Geobytes website two weeks ago, they confirmed

Re: Best practice ACLs for a internet facing border router?

2005-06-13 Thread Kim Onnel
block bogons block your ips from outside block rfc 1918 (martians) block common worms ports On 6/13/05, Drew Weaver [EMAIL PROTECTED] wrote: I'm just curious if anyone has ever published a list of what isan agreed upon best practice list of ACLs for an internet facing borderrouter. I'm talking

Re: Best practice ACLs for a internet facing border router?

2005-06-13 Thread Robert Brockway
On Mon, 13 Jun 2005, Drew Weaver wrote: I'm just curious if anyone has ever published a list of what is an agreed upon best practice list of ACLs for an internet facing border router. I'm talking about things like bogons, private Ip addresses, et cetera. If anyone is aware of

RE: ISP's Contact List

2005-06-13 Thread Hannigan, Martin
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Sanfilippo, Ted Sent: Monday, June 13, 2005 10:19 AM To: Suresh Ramasubramanian Cc: nanog@merit.edu Subject: RE: ISP's Contact List Suresh, Sorry I meant GEOBYTES ---

Re: Economics of spam

2005-06-13 Thread Niels Bakker
* [EMAIL PROTECTED] ([EMAIL PROTECTED]) [Mon 13 Jun 2005, 11:10 CEST]: Here's a simple mechanism which has not yet been tried seriously. Email server peering. This means that an SMTP server operator only accepts incoming mail from operators with whom they have a bilateral email peering

Re: Economics of SPAM [Was: Micorsoft's Sender ID Authentication......?]

2005-06-13 Thread Todd Vierling
On Mon, 13 Jun 2005, [EMAIL PROTECTED] wrote: Here's a simple mechanism which has not yet been tried seriously. Email server peering. All this stuff you're describing [almost] exactly matches the former UUCP-based e-mail distribution mechanism. A lot of this dubious technical garbage can be

Choice One router reboots? SW PA etc outage...

2005-06-13 Thread Allen Kitchen
FYI - we've had an outage on a Choice One T1 since about 9am EDT. First-line support from Choice One reported need to reboot several routers and gave an ETTR of 1/2 hr at 10:21. Though things seem to be behaving reasonably well as far as I can tell on their net, Expedient is also reporting

RE: Best practice ACLs for a internet facing border router?

2005-06-13 Thread Daniel Senie
At 10:16 AM 6/13/2005, Frotzler, Florian wrote: ftp://ftp-eng.cisco.com/cons/isp/security/Ingress-Prefix-Filter-Template s/ Florian The original question didn't specify whether the interest was prefixes or packet filters. For packet filtering, the above URL is not going to help, but a

Re: ISP's Contact List

2005-06-13 Thread Bill Woodcock
On Mon, 13 Jun 2005, Sanfilippo, Ted wrote: I ran into a problem with a new /16 block we received from ARIN. The IP-Country info points to Canada which is not accurate. We are a US based company. I had placed a request into Geobyte to make the change to US, I am still

Re: Economics of SPAM [Was: Micorsoft's Sender ID Authentication......?]

2005-06-13 Thread Valdis . Kletnieks
On Mon, 13 Jun 2005 10:58:06 EDT, Todd Vierling said: (Oh sh*t, did I just feed a troll?) Well, are you missing a bag of Purina Troll Chow? :) pgpY9FgUx4iKx.pgp Description: PGP signature

IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread william(at)elan.net
On Mon, 13 Jun 2005, Daniel Senie wrote: had wrong info or no info. If you're the ISP, then your answer to your customers is the web site you are going to is using an unreliable method to attempt to determine locality from IP address. Then point them at the web site's contact form and

2u colo @ 1 Wilshire

2005-06-13 Thread matthew zeier
I need to collocate a 2u 3750 at 1 Wilshire - if you have resources, please contact me offline. -- matthew zeier - Curiosity is a willing, a proud, an eager confession of ignorance. - Leonard Rubenstein

Re: Best practice ACLs for a internet facing border router?

2005-06-13 Thread matthew zeier
Drew Weaver wrote: I'm just curious if anyone has ever published a list of what is an agreed upon best practice list of ACLs for an internet facing border router. I'm talking about things like bogons, private Ip addresses, et cetera. If anyone is aware of anything like this I'd like

RE: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread Jim McBurnett
I'm sure that this made it here before but: www.analysespider.com/ip2country/ip_country.html Later, J -Original Message- From: william(at)elan.net [mailto:[EMAIL PROTECTED] Sent: Monday, June 13, 2005 1:40 PM To: nanog@merit.edu Subject: IP-Country Data (RE: ISP's Contact List) On

Re: Economics of SPAM [Was: Micorsoft's Sender ID Authentication......?]

2005-06-13 Thread Barry Shein
On June 11, 2005 at 20:34 [EMAIL PROTECTED] (John Levine) wrote: I therefore assert there is no technical solution to spam. I think you're preaching to the choir here. What will stop it is some sort of new economic model, billing for e-mail (yeah yeah some reasonable amt included),

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread Hank Nussbacher
On Mon, 13 Jun 2005, william(at)elan.net wrote: I suspect your completewhois does not take into account ERX data: http://www.ripe.net/projects/erx/ Huge swaths of IP space were moved around between RIRs from Jan 2003-Apr 2005: http://www.ripe.net/projects/erx/erx-ip/completed.html If you want

The IETF needs your input about the Spamops document

2005-06-13 Thread Dave Crocker
(The IETF is often criticised for having inadequate efforts concerning operations. Here is your opportunity to take a small step to counteract that.) Folks, This is a request for you action: A draft specification has been submitted to the IETF for standardization as a Best Current Practices.

RE: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread william(at)elan.net
On Mon, 13 Jun 2005, Jim McBurnett wrote: I'm sure that this made it here before but: www.analysespider.com/ip2country/ip_country.html Commercial service when there are several free ones available BTW - based on what I can see they are not updating data once per day but only

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread william(at)elan.net
On Mon, 13 Jun 2005, Hank Nussbacher wrote: On Mon, 13 Jun 2005, william(at)elan.net wrote: I suspect your completewhois does not take into account ERX data: http://www.ripe.net/projects/erx/ Huge swaths of IP space were moved around between RIRs from Jan 2003-Apr 2005:

RE: ISP's Contact List

2005-06-13 Thread Hank Nussbacher
At 10:18 AM 13-06-05 -0400, Sanfilippo, Ted wrote: Suresh, Broken. My IP, which has been allocated to Israel for about 15 years shows up as in China and no whois site is *that* broken. -Hank Sorry I meant GEOBYTES --- http://www.geobytes.com/IpLocator.htm When I enter

Re: The IETF needs your input about the Spamops document

2005-06-13 Thread william(at)elan.net
A draft specification has been submitted to the IETF for standardization as a Best Current Practices. Information about the document is at: http://mipassoc.org/spamops/ The name is inaccurate, its not about anti-spam operations, the document is about use and configuration of email

Re: Economics of SPAM [Was: Micorsoft's Sender ID Authentication......?]

2005-06-13 Thread John Levine
We've been here before, but to recap. 1. If a particular billing/business model presents difficulties then we might have to consider a different model, others are possible (hence, straw man of e-postage etc.) I look forward to hearing about a design for an email billing system that does

Paper on Email Authentication (Authorization really) (was - Re: Micorsoft's Sender ID Authentication......?)

2005-06-13 Thread william(at)elan.net
On Tue, 7 Jun 2005, Fergie (Paul Ferguson) wrote: -- william(at)elan.net [EMAIL PROTECTED] wrote: Since it appears NANOG continues to be used for mail-related discussions and a some of what goes here is based on not understanding technologies and issues involved, I'll make a link to a

Re: Paper on Email Authentication (Authorization really) (was - Re: Micorsoft's Sender ID Authentication......?)

2005-06-13 Thread J.D. Falk
On 06/13/05, william(at)elan.net [EMAIL PROTECTED] wrote: In part 5, I also go through why none of the proposals are really anti-spam and promotion of the methods as such is misleading. No matter how the authors may promote their methods, most people don't perceive that

RE: Best practice ACLs for a internet facing border router?

2005-06-13 Thread Barry Greene (bgreene)
I do not think there is a best practice. In fact, Operational Entropy(1) has a big factor with packet filtering ACLs on the interconnect side of an SP. So you are not going to find a lot of packet filtering on SP-SP links. There are links and presentations you can refer to help build a iACL

Re: ISP's Contact List

2005-06-13 Thread Michael Painter
http://www.geobytes.com/FAQ.htm#Technology http://www.geobytes.com/FAQ.htm#DifferentFromWhoIs - Original Message - From: Sanfilippo, Ted [EMAIL PROTECTED] To: Suresh Ramasubramanian [EMAIL PROTECTED] Cc: nanog@merit.edu Sent: Monday, June 13, 2005 4:18 AM Subject: RE: ISP's Contact

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread Patrick W. Gilmore
On Jun 13, 2005, at 2:55 PM, william(at)elan.net wrote: Commercial service when there are several free ones available BTW - based on what I can see they are not updating data once per day but only once/month. Also having some experience in this matter I highly doubt that its much more

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread Brad Knowles
At 6:35 PM -0400 2005-06-13, Patrick W. Gilmore wrote: Too bad no one has servers in 100s or even a 1000 or more ISPs in dozens of countries with TCP connections to a statistically significant portion of the Internet on a daily basis who could possibly measure, say, RTT (not sure why TTL

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread william(at)elan.net
Too bad no one has servers in 100s or even a 1000 or more ISPs in dozens of countries with TCP connections to a statistically significant portion of the Internet on a daily basis who could possibly measure, say, RTT (not sure why TTL is relevant) and other things, and perhaps use that along

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread Matt Ghali
On Mon, 13 Jun 2005, william(at)elan.net wrote: The point is it probably would not be as accurate as one could hope because internet network infrastructure is network-centric and not necessarily region-based. Of course you could try to fully map INET like CAIDA does and keep the

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread Patrick W. Gilmore
On Jun 13, 2005, at 6:53 PM, Matt Ghali wrote: On Mon, 13 Jun 2005, william(at)elan.net wrote: The point is it probably would not be as accurate as one could hope because internet network infrastructure is network-centric and not necessarily region-based. Of course you could try to

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread william(at)elan.net
On Mon, 13 Jun 2005, Matt Ghali wrote: The point is it probably would not be as accurate as one could hope because internet network infrastructure is network-centric and not necessarily region-based. Of course you could try to fully map INET like CAIDA does and keep the info updated on

Re: IP-Country Data (RE: ISP's Contact List)

2005-06-13 Thread william(at)elan.net
As for the 'pretty hard work' part; they seem to be making money off it; how's your gig going? I primarily make money from consulting and other work not from ISP services which I have not promoted from 2002. Not sure that's a fair comparison, since I didn't think William is doing this

Re: Paper on Email Authentication (Authorization really) (was - Re: Micorsoft's Sender ID Authentication......?)

2005-06-13 Thread william(at)elan.net
On Mon, 13 Jun 2005, J.D. Falk wrote: On 06/13/05, william(at)elan.net [EMAIL PROTECTED] wrote: In part 5, I also go through why none of the proposals are really anti-spam and promotion of the methods as such is misleading. No matter how the authors may promote their methods, most

Re: Paper on Email Authentication (Authorization really) (was - Re: Micorsoft's Sender ID Authentication......?)

2005-06-13 Thread J.D. Falk
On 06/13/05, william(at)elan.net [EMAIL PROTECTED] wrote: No matter how the authors may promote their methods, most people don't perceive that there's any great separation between anti-spam and anti-forgery techniques. As far as they're concerned, all e-mail threats are