Just off the top of my head, some kind of database abstraction level
might be what they are thinking. Currently you send SQL straight to
the webserver, which if the web server is compromised would let a
hacker send arbitrary sql statements to the sql server. With an API in
the middle using COM, a Javabean, a web service, or something similar
that passes the data back to your app, you could isolate the web
server from the sql server.

I think theoretically this could be more secure than allowing CF
and the web server unfettered access to the database...

-- 
 jon
 mailto:[EMAIL PROTECTED]

Wednesday, September 18, 2002, 3:30:04 PM, you wrote:
MR> I am hoping someone can help me out with this.  Maybe I just can't see how it 
would work......but anyways we have apps that are going to be accessible outside our 
firewall.  We currently have a
MR> set-up like this.

MR> Webserver is in dmz with the  ports http/https accessible to the outside world.  
CF code is kept on this server.  Database is completely inside the firewall.  The 
firewall is configured to only
MR> allow communitcation from the webserver IP to the SQL IP over a sql port.  There 
are voices around here that want to see a 3rd layer or an app server inbetween.  I 
can't visualize how this would
MR> work?  I think I may just need someone to help me visualize it.  Anyways taking 
into consideration that the webserver software is all patched up and tighened down, 
the code has been analized to
MR> ensure that there are no holes will adding the extra layer really do any good?

MR> Thanks

MR> Mike

MR> 
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