Great Circle Associates Firewalls
(April 1994)
 

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Subject: Re: unplugging...
From: sdw @ meaddata . com (Stephen Williams)
Date: Sat, 9 Apr 1994 01:00:22 -0400 (EDT)
To: hobbit @ ftp . com (*Hobbit*)
Cc: firewalls @ GreatCircle . COM
In-reply-to: <9404082237 . AA27596 @ ftp . com> from "*Hobbit*" at Apr 8, 94 06:37:41 pm

> 
> No need.  What's so hard about providing all these swoopy services on a
> machine located just *outside* your firewall, with a completely expendable
> OS and utilities that can be restored from tape in a couple of hours, and
> doing all your real work [including generating the master tree for your
> swoopy-server] behind the wall?  Said machine will continue supplying swoopy
> services even if it's cracked, until the crackers manage to completely
> destroy it, after which you slap a tape on and restore it to its known
> configuration [maybe with some more holes plugged].
> 
> It also gives you a "target" that you can carefully watch for weird activity
> against, if you want to spent the time trapping perpetrators.
> 
> A warning to all callers that things they obtain from such a machine may not
> necessarily be trustworthy might be appropriate, though, so they might
> *expect* things like the wu-ftpd hole to show up.
> 
> _H*

It's perfectly feasible to run such a system from a bootable
CDROM/readonly floppy/ram disk configuration (at least with Linux).
Optional HD to be reformatted/initialized from CD of course....

With CDD (writer) drives running <$4000 and disks about $15 each, this
is perfectly feasible.

sdw
-- 
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References:
Indexed By Date Previous: TELNET URL SECURITY PROBLEM: DETAILS
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From: fahnoe @ loki . ncent . mccaw . com (Larry Fahnoe)
Indexed By Thread Previous: unplugging...
From: hobbit @ ftp . com (*Hobbit*)
Next: Re: unplugging...
From: Brad Huntting <huntting @ csn . org>

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