- To: slug@xxxxxxxxxxx
- Subject: Re: [SLUG] Data Leakage Prevention and Detection
- From: "Kristian Erik Hermansen" <kristian.hermansen@xxxxxxxxx>
- Date: Mon, 11 Feb 2008 01:20:12 -0800
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On Feb 11, 2008 1:11 AM, Jamie Wilkinson <jaq@xxxxxxxxxxxxxx> wrote:
> Application-aware firewalls are time consuming to develop, but I am
> concocting in my mind a tool that scans signatures out of all your
> documents, then has a tcpdump running on your firewall comparing traffic
> signatures -- sort of like snort, but in reverse -- and sending TCP RST to
> the sender if a violation was detected.
>
> I can also think of ways around it (SSL, for example, is a trivial
> workaround, so you'll need to also MITM all your users... a wildcard
> certificate ought to fool the client browsers).
>
> Do things like this really exist?? Well, I imagine Lotus Scrotes could,
> because the document never really leaves the database, but how would you
> build a system that reliably worked in a heterogenous environment like a
> small-medium office, that actually worked, and you could sell to people and
> still retain your soul?
Palo Alto Networks, a startup from ex-netscreen guys, seems to do
almost what you say. I almost worked for them...hrmm...maybe I should
have taken the job! The guy who wrote Linux Intrusion Detection
System (LIDS) works for them...
http://www.paloaltonetworks.com/
--
Kristian Erik Hermansen
"Know something about everything and everything about something."