[asterisk-users] How Secure Is Asterisk

[SIP]

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: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] 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: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] 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 <samtam888 at gmail.com> 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: asterisk-users-bounces at lists.digium.com
> 	[mailto:asterisk-users-bounces at lists.digium.com] 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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