Great Circle Associates Firewalls
(October 1996)
 

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Subject: RE: Checkpoint -
From: rabbi @ www . valuu . net (Rabbi Haim Cassorla)
Date: Wed, 16 Oct 1996 11:16:19 -0400
To: Todd Graham Lewis <lists @ reflections . mindspring . com>, "'Rick Romkey'" <pokey @ maddie . atlantic . com>
Cc: "firewalls @ GreatCircle . COM" <firewalls @ GreatCircle . COM>, "michael @ memra . com" <michael @ memra . com>

Thank you Rick!

I was wondering where all these top line security people got the time to tinker with source code. I barely have the time to do what I am supposed to do here and keep up with the general drift of the list.
As far as I am concerned I would rather NOT have source code available for the products I buy. It gives me an extra two hours against the hackers.

Shalom Beracha VeTova
Rabbi Haim Cassorla

----------
From: 	Rick Romkey[SMTP:pokey @
 maddie .
 atlantic .
 com]
Sent: 	Wednesday, October 16, 1996 4:44 AM
To: 	Todd Graham Lewis
Cc: 	michael @
 memra .
 com; firewalls @
 GreatCircle .
 COM
Subject: 	Re: Checkpoint -

> 
> > If there is no source code to examine, then how do you know whether it's
> > true or not? Reverse engineering isn't the answer because it can be
> > difficult to extrapolate the higher level function of a piece of machine
> > language code. Even the guy making the claims said that the reverse
> > engineering only "seemed" to point to a backdoor. And not knowing the
> > skill level of the reverse engineer and not having access to the source
> > code, how can we figure out who is right?
> > 
> > Full source code disclosure is the only way, IMHO. 
> 
> Seconded.  Do I hear objection?

You know, ever since I have been on this list people keep claiming that
they need source code in order to be able to examine the security that
a firewall uses.

Do you really think this is a criteria that most purchasers of a security
product have?  I don't.  In fact, I don't think one customer has ever
asked me about source code availability, and I would argue that 95%
of the people out there don't care...

Comments?

-Rick

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