full-disclosure - Mystery phone lines, something is hiding an d answ ering.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <200407160221.i6G2Lmu15711@netsys.com>
From: EddieS at softhome.net (Eddie )
Subject: Mystery phone lines, something is hiding an d answ ering.

Yes, but it shares the fax line. I checked. 

-Eddie

On Thu, 15 Jul 2004 10:44:20 -0700, Schmidt, Michael R. wrote:

>Is there a Fire/Burglar Alarm system wired to the phone?
>
>Michael R. Schmidt
>
>-----Original Message-----
>From: full-disclosure-admin@...ts.netsys.com [mailto:full-disclosure-admin@...ts.netsys.com]On Behalf Of Eddie 
>Sent: Wednesday, July 14, 2004 9:56 PM
>To: full-disclosure@...ts.netsys.com
>Subject: [Full-Disclosure] Mystery phone lines, something is hiding and answ ering.
>
>Hello,
>
>I have been given the task of cleaning out all the old phone lines in 30+ restaurants. Some locations are 30 years old
>and in the past, extra lines where added as needed, then forgotten about. My task it to figure out what lines we are 
using
>so we can cancel the rest. 
>I generally start at the equipment, (CC machine, FAX, Modem, etc) and get the numbers to the lines we are using, then
>test the main breakout box that feeds the building and figure out what lines are coming into the building. Quite a easy
>task as some of the buildings are over 50 years old and the breakout box is nothing but a chunk of wood with nuts and
>bolts.
>
>Anyway, on the 2 locations I have checked so far, I found 5 extra phone lines on one and 7 on the other. The strange
>thing is, something computer related answers. Some lines have no answer,  but most, some computer picks up. On 
one,
>I get some type of digital tone, but it does not sound like any modem I have ever heard.
>
>I tried calling the numbers with my laptop and cell phone (with Caller ID turned off). Most of the lines won't connect with
>No Carrier, but one, I get the string " ** 01 Communications TermServ **" and a login prompt.
>
>Now if I disconnect the phone line from the break out box,  it stops answering, suggesting that whatever is answering, 
is
>in the building.  Now in both locations, another store shares a wall. Napa on one and Boot Barn on the other. However, 
I
>don't think they are using our phone box for their lines. I have yet to find a voice line, least one that someone answers.
>
>Friday, I will be spending the day in a very hot place with a flashlight in one hand, and a toner in the other tracing wires,
>but I was hoping that someone could give me some suggestions. I have never seen anything like this before and I am
>stumped on what is going on.
>
>Thanks for any and all help
>Eddie
>
>
>
>
>_______________________________________________
>Full-Disclosure - We believe in it.
>Charter: http://lists.netsys.com/full-disclosure-charter.html