Great Circle Associates Firewalls
(August 1994)
 

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Subject: Re: firewalls vs. direct dialups..
From: Brent Chapman <brent @ mycroft . GreatCircle . COM>
Date: Fri, 26 Aug 1994 23:07:20 -0700
To: David Kovar <kovar @ NDA . COM>
Cc: jet @ abulafia . genmagic . com (J. Eric Townsend), firewalls @ GreatCircle . COM
In-reply-to: Your message of Fri, 26 Aug 1994 20:51:40 -0400 (EDT)

David Kovar <kovar @
 NDA .
 COM> writes:

# > This hard shell / soft center makes me wonder:
# > 
# > and what happens when someone puts a modem on their unix box, ties it
# > to their deskset, and doesn't tell anyone?
# > 
# > Maybe there needs to be a policy-list to discuss the human/policy
# > aspects of security?
# 
#   All the sites I've worked at have used digital PBX phone systems,
# which will not work with a normal analog modem. Users have to specifically
# request an analog line so it is very easy to control.
# 
# -David

A certain company here in the Silicon Valley thought that, too.  Then
they discovered (during a series of very destructive breakins by a
disgruntled former employee) that the engineers, because it was so
difficult to get a "legitimate" analog line, were in the habit of
unplugging the phone line from the nearest fax machine every evening
and plugging it in to a modem on their workstation.


-Brent
--
Brent Chapman         | Great Circle Associates  | Call or email for info about
Brent @
 GreatCircle .
 COM | 1057 West Dana Street    | upcoming Internet Security 
+1 415 962 0841       | Mountain View, CA  94041 | Firewalls Tutorial dates


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