[Asterisk-Users] Fwd: [ISN] Voice Over IP Can Be Vulnerable To Hackers, Too

tmpm tmpm at softhome.net
Fri May 14 16:58:26 MST 2004


Er, 2600hz would blow down analog crossbars, not most PBX's...most PBX's 
were "guessed" since most used 4-6 digit codes for access...finding an 
outdial, hopefully, a 1-800 was golden....remember the first "boxes", 
Black? Blue? the ones that would let you dial after you dropped the 
dialtone and got on the trunk?

At 17:02 5/14/2004, you wrote:
>Folks seem to have forgotten that
>the original hackers were hacking
>"stable and secure" traditional PBXs
>with captain crunch whistles!
>
>Mitnik ran wild through PBX's and mobille networks.
>
>Let's work to set up secure VOIP, but
>don't let anyone kid you about the golden days when telephones were secure!

>Yes, VPN, VPN!




>(for extra points, why's the hacker mag called 2600?)

2600hz, dropped dialtone and allowed access to the trunk (on crossbars, 
Until they went to out-of-band switching) With combinations of DTMF and MF 
signalling you could pick the desired path for a call, been there, done 
that, and been published in 2600 and Phrack...heh...




>tmpm <tmpm at softhome.net> wrote:
>__________
> >Hope this isn't too far OT, but its relevant to us. From isn.attrition.org
>
>
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