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Posted by Steve on August 3, 2005, 6:45 pm
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I use VOIP (Voicepulse) over my laptop while on the road, connected via
Wi-Fi hotspots.
My question- Are my phone conversations secure over these connections?
I am talking for "all practical purposes", absent CIA or KGB with
advanced technology.
THANKS!
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Posted by Floyd L. Davidson on August 3, 2005, 9:54 pm
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>I use VOIP (Voicepulse) over my laptop while on the road, connected via
>Wi-Fi hotspots.
>
>My question- Are my phone conversations secure over these connections?
>I am talking for "all practical purposes", absent CIA or KGB with
>advanced technology.
Let me explain 10 important things about telephones to you...
which comes from 34 years, before retiring, in the telephone
long distance business.
1) Do *not* *ever* say *anything* on a telephone that you cannot
live with seeing on the front page of tomorrows local newspaper.
(Items 2 through 9 have precisely the same words as item 1.)
10) There is no such thing as a secure telephone connection,
unless *you* provide the encryption at both ends.
--
Floyd L. Davidson <http://www.apaflo.com/floyd_davidson>
Ukpeagvik (Barrow, Alaska) floyd@apaflo.com
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Posted by Eamon Skelton on August 4, 2005, 12:57 pm
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> My question- Are my phone conversations secure over these connections?
> I am talking for "all practical purposes", absent CIA or KGB with
> advanced technology.
If you are worried about the security of the link between
your laptop and the Hotspot access point, you should use
the strongest encryption supported by the system you are
using. WPA is more secure than WEP, but only if you
use a strong password/key. Because hotspots often have
to cater for large numbers of users, many of them using
older equipment, they usually need to use the weakest
security options. WEP 40 bit key based on an easily
guessed password like 'megalomart'.
No calls made over the public telephone network can be considered
secure. Some VOIP systems offer end to end encryption, which
should result in a reasonably secure line. Skype claim to use
strong encryption (AES 256 bit).
http://www.tacticaltech.org/files/Skype_Security.pdf
E.S.
--
Linux 2.6.12.1
Remove 'X' to reply by e-mail.
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Posted by Daniel Rudy on August 6, 2005, 12:51 pm
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> I use VOIP (Voicepulse) over my laptop while on the road, connected via
> Wi-Fi hotspots.
>
>
> My question- Are my phone conversations secure over these connections?
> I am talking for "all practical purposes", absent CIA or KGB with
> advanced technology.
>
> THANKS!
>
One thing that I want to point out is that if you are using a Wi-Fi
hotspot, then chances are that your conversations are *NOT* secure.
The FBI recently had a demonstration where they broke 128bit WEP
security inside of 5 minutes. No SSID was being broadcast and MAC
address filtering was turned on. And they did it using readily
available software and equipment that everyone has access to.
If you want security over a Wi-Fi link, then use a VPN or other
encryption agent.
--
Daniel Rudy
Email address has been encoded to reduce spam.
Remove all numbers, then remove invalid, email, no, and spam to reply.
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