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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Another suggestion, whether the DID’s
ANI should even be used as for outbound calls. <a href="http://www.ipkall.com/">www.IPKall.com</a>
operates INBOUND only services. In the past, abusers have spoofed our numbers.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoPlainText><font size=2 color=navy face="Comic Sans MS"><span
style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy;mso-no-proof:
yes'>IPKall<o:p></o:p></span></font></p>
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style='font-size:10.0pt;color:navy;mso-no-proof:yes'><o:p> </o:p></span></font></p>
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yes'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> asterisk-biz-bounces@lists.digium.com
[mailto:asterisk-biz-bounces@lists.digium.com] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Mike Lynchfield<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, June 06, 2006 9:05
AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">Commercial
and Business-Oriented Asterisk Discussion</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [asterisk-biz] Fraud</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>no sure on the dns thing,
but as far as did score , thats just it. a score.<br>
<br>
Example <br>
ProviderID,DID,score[1 to 10],reason[varchar64],flag[cof,sof,bi,etc]<br>
<br>
1000, 1231231234, 9,confirmed abuse,sof<br>
would be suspicion of fraud 90% sure for did 1231231234 <br>
<br>
code : cof = confirmed fraud.<br>
bi = billing isues.<br>
etc.<br>
<br>
so you could actualy pull results nightly via corn or anythign you like and
scpecify filters.<br>
<br>
pull.php?flag=all&minscore=3 etc <br>
<br>
you would then get that list to your pbx box and apply it as you wish.<br>
<br>
as in output:<br>
<br>
providernickname,DID,avgscore,totalcountofcomplaints,etcetc<br>
<br>
<br>
<br>
<br>
<br style='mso-special-character:line-break'>
<![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'>
<![endif]><o:p></o:p></span></font></p>
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<p class=MsoNormal><span class=gmailquote><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>On 6/6/06, <b><span style='font-weight:bold'>Tomer
Horn</span></b> <<a href="mailto:thorn@ivrit.org.il">thorn@ivrit.org.il</a>>
wrote:</span></font></span><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I agree with Florian.<br>
<br>
I would like to add that technically, it should be implemented either in<br>
style of RBL using DNS and/or DUNDi - where the DUNDi will be used as a<br>
blackhole. Just make sure that by design you'll be able to create <br>
redundancy sites in different locations in case of DDoS or whatever. Be<br>
prepared for that. You should allow, as you suggested, to download
the<br>
complete list by using the web/dns-axfr.<br>
<br>
I think with that comes the subject of moral responsibility for the list: <br>
- Under what rules a DID goes into the list? Who is allowed to commit to<br>
the list?<br>
- What prevents from those who are running the list to list "safe"
DIDs<br>
and abuse<br>
the list for whatever purposes. <br>
- Maybe the entries should have a feature to enter both positive and<br>
negative<br>
votes/scores/comments for each listed DID?<br>
<br>
Just my 2 cents.<br>
<br>
Florian Overkamp wrote:<br>
> Hi Mike,<br>
><br>
> Mike Lynchfield wrote: <br>
>> We create an API , or Web portal , that would accept input<br>
>> (DID,Reason,Flag)<br>
>> and serve a list.<br>
>><br>
>> This list would be a SOF (Suspicion of fraud) list in either txt,xml <br>
>> or both<br>
>> for you to download.<br>
><br>
>> How does it sound ? ..<br>
><br>
> The basic idea makes a lot of sense, although I think there should<br>
> also be some meta-data like:<br>
> - what is the nature of the SOF, in text, for customer support purposes <br>
> - when was the number registered as SOF<br>
> - optionally, how many complaints were made about the number ?<br>
> - if there was an identifiable source, of the complaint or notice, who<br>
> was it ?<br>
> <br>
> Our national regulator also publishes a list of numbers that have been<br>
> seen in auto-diallers. Maybe other countries do the same ?<br>
><br>
><br>
<br>
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