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Standard User john2007
(legend) Fri 08-Apr-11 13:33:21
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A reason to block pings?


[link to this post]
 
Your address may be found within a kilometer.

http://www.schneier.com/blog/archives/2011/04/pinpoi...
Pinpointing a Computer to Within 690 Meters

This is impressive, and scary:

Every computer connected to the web has an internet protocol (IP) address, but there is no simple way to map this to a physical location. The current best system can be out by as much as 35 kilometres...
Standard User kwikbreaks
(eat-sleep-adslguide) Fri 08-Apr-11 15:01:12
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Re: A reason to block pings?


[re: john2007] [link to this post]
 
Considering my jitter is 8ms or ~ 50% of the ping to presumably my nearest pingtest.net server I'm not quaking in my boots.

http://www.pingtest.net/result/38440334.png



If you can't fix it with a hammer you've got an electrical problem.
Moderator billford
(moderator) Fri 08-Apr-11 15:13:01
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Re: A reason to block pings?


[re: john2007] [link to this post]
 
This is impressive, and scary
No it isn't.

For me, it only gives them about 5,000 addresses to choose from smile

~~~~~~~~~~~~
Bill

bill@thinkbroadband.com ________________________Planes and Cars and ...________________________BQM
The author of the above post is a thinkbroadband moderator but it does not constitute an official statement on behalf of thinkbroadband.


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Standard User john2007
(legend) Fri 08-Apr-11 15:14:17
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Re: A reason to block pings?


[re: kwikbreaks] [link to this post]
 
I'm on the run though, so am more concerned about being tracked by the powers that be! smile
Standard User john2007
(legend) Fri 08-Apr-11 15:17:04
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Re: A reason to block pings?


[re: billford] [link to this post]
 
Not relevant to you (as you are retired).

But someone posting from work and home could well be uniquely identified.
Moderator billford
(moderator) Fri 08-Apr-11 15:28:56
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Re: A reason to block pings?


[re: john2007] [link to this post]
 
My IP address at work would probably be registered to the company I worked for, so a quick whois would sort that out1... and what would it have to do with my IP address at home, which would be registered to an ISP?


1 but only for the company, as an individual I assume my computer would be behind a NAT firewall.

~~~~~~~~~~~~
Bill

bill@thinkbroadband.com ________________________Planes and Cars and ...________________________BQM
The author of the above post is a thinkbroadband moderator but it does not constitute an official statement on behalf of thinkbroadband.
Standard User john2007
(legend) Fri 08-Apr-11 15:50:36
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Re: A reason to block pings?


[re: billford] [link to this post]
 
The linked article shows how a ping may provide a location better than the ISP.

A combination of home and work location uniquely identifies many people, perhaps the majority in the UK.
Standard User tommy45
(fountain of knowledge) Fri 08-Apr-11 15:58:58
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Re: A reason to block pings?


[re: john2007] [link to this post]
 
Also a lot will depend on if you isp updates the Geo location of the ip address it assigns you, with ukonline it was more accurate than it currently is with my current isp, it's either 80miles out or over 150 miles out, so it ain't reliable

Moderator billford
(moderator) Fri 08-Apr-11 16:05:42
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Re: A reason to block pings?


[re: john2007] [link to this post]
 
In reply to a post by john2007:
The linked article shows how a ping may provide a location better than the ISP.
My ping time (from the tbb servers) varies between ~9ms and ~18ms depending whether interleave is off or on.

I obviously move about a lot tongue

~~~~~~~~~~~~
Bill

bill@thinkbroadband.com ________________________Planes and Cars and ...________________________BQM
The author of the above post is a thinkbroadband moderator but it does not constitute an official statement on behalf of thinkbroadband.
Moderator billford
(moderator) Fri 08-Apr-11 16:13:09
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Re: A reason to block pings?


[re: john2007] [link to this post]
 
In reply to a post by john2007:
A combination of home and work location uniquely identifies many people, perhaps the majority in the UK.
On the basis that most people live fairly close to where they work I wouldn't agree with that... especially with a location accuracy as poor as half a mile.

Certainly not a majority.

~~~~~~~~~~~~
Bill

bill@thinkbroadband.com ________________________Planes and Cars and ...________________________BQM
The author of the above post is a thinkbroadband moderator but it does not constitute an official statement on behalf of thinkbroadband.
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