The visual eky in Windows Zfone is good, but it can be broken too. There
is no way to be 100% secure. Nothing is 100% secure. What you need to
do is a standard business C/B analysis and based on that determine how
much security is good enough.
SIP wrote:
It's not 100% secure. Like any dual-key encryption, it's subject to the
classic man-in-the-middle attack. This is why the Windows Zfone app has
the addition of a visual key you can read and coordinate with the
recipient to determine if a MITM attack is occurring. But only if you
know what you're doing.
There is no such thing as an unbreakable system. YOU might not be able
to attack it with your limited resources, but someone determined enough
to do so, will find a way.
N.
Jonn R Taylor wrote:
What about zfone project???
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Sam Tam
Sent: Tuesday, October 21, 2008 12:49 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: Re: [asterisk-users] How Secure Is Asterisk
There are no 100% solution but we can only do our best.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of broadband
Voice
Sent: Tuesday, October 21, 2008 4:37 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] How Secure Is Asterisk
lol
On Mon, Oct 20, 2008 at 3:34 PM, Sam Tam <[EMAIL PROTECTED]> wrote:
VPN IP phone?
Then firewall up the asterisk to disable any outside access and
place the
vpn server with the asterisk in a locked cabinet .
Sure that will stop someone trying to physically listen to their
call.
Or they can always use the good old landline or mobile phone and let
the
government listen to them too/
Sam
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Steve
Anness
Sent: Tuesday, October 21, 2008 3:02 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] How Secure Is Asterisk
I am sure this has been discussed prior, however, I am sitting here
and
being asked this very question by my superiors. They are loving
what I have
done with our two Asterisk servers here; however, they keep asking
me if it
is secure or not. Of course, as with anything, I suspect that on a
secure
network they can be reasonably safe. However, realistically if I am
using
the asterisk server to make internal calls and discussion very
private
matters, how possible is it for someone to listen to calls? How
good is the
encryption if any over an IAX trunk?
Steve Anness
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The Pythian Group
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