Great Circle Associates Firewalls
(January 1997)
 

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Subject: Re: Air Force Web Site Hacked
From: Michael Idengren <midengre @ stetson . edu>
Date: Wed, 1 Jan 1997 13:43:01 -0500 (EST)
To: Norm Laudermilch <norm @ UU . NET>
Cc: firewalls @ GreatCircle . COM
In-reply-to: <QQbwoh24993 . 199701010456 @ rodan . UU . NET>

> I do think read-only media is an interesting idea, by the way :)  Dale is 
> right though, there are still vulnerabilities.  Personally, I like the idea 
> of marking the files immutable myself.  This way, even root can't change the
> content unless the machine is brought down into single-user mode.  Not sure
> how many other operating systems support this other than (the great) BSDI
> though.

I just have a couple of points to bring up on this thread:

1.  My comment was partially meant as a joke, it's horribly impractical
for ISP's and Univerisities and such to require operator intervention
every time a webpage needs to be updated.  Such a level of paranoia
*might* only be appropriate for government agencies and authoritative
advanced research sites.

2.  With regards to marking files immutable:  If I really wanted to secure
a file, I wouldn't do it with software security.  No way no how absolutely
not - this is the whole point, hardware-level security is the entire point
behind R/O media.  I myself would only feel comfortable with jumpering the
hard drive as read-only or mounting a CD-ROM if I ever had to go to such a
level of paranoia.

Mike Idengren			 | MEISTER
---------------------------------+----------------------------------
Center for Information Technology| Alachua Free-Net IRC Administrator
Stetson University		 | WorldWide Free-Net IRC Network Coordinator
			




Follow-Ups:
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