Thanks!

That is pretty much the way things are set now...

DBA is relaying complaints from the vendors who insist that they need to 
get into the production servers once they are connected to the DMZ server. 
 I say we need a different vendor (unfortunately not my call).

My heels are now dug in a bit deeper, however.

Thanks again...
--
richard

"Erik Goldoff" <[email protected]> wrote on 04/07/2010 07:55:03 AM:

> Why not have a database in the DMZ, and have the production database
> pull added transactional data from the DMZ database via a one-way 
> trust into the domain.  Don?t allow the production domain to trust 
> any connection initiated from the DMZ.
> 
> Erik Goldoff
> IT  Consultant
> Systems, Networks, & Security 
> '  Security is an ongoing process, not a one time event ! '
> From: [email protected] [mailto:[email protected]] 
> Sent: Wednesday, April 07, 2010 8:38 AM
> To: NT System Admin Issues
> Subject: Secure remote data entry
> 
> 
> Greetings!  Our DBA has a project going (with the help of an outside
> vendor) in which animal welfare agents will enter stats into our 
> (internal) databases. 
> 
> This vendor says to set up a web server in a DMZ (done).  Then, open
> a port between this DMZ machine and our production database server. 
Right! 
> 
> I can open that port in 2 minutes or less.  It seems that, in 3 
> minutes (a minute or less after I open that port), someone in 
> Tashkhent or Baku now owns our entire network (including main HQ a 
> half-continent away)... 
> 
> Our DMZ currently has no "DMZ to Trusted" policies, and it seems 
> that is what defines  DMZ.  A DMZ box gets compromized, but 
> attackers have no route on through to "Trusted". 
> 
> I'm catching some bad stares (and worse) for my stand on this, but 
> such is the life of a SysAdmin... 
> 
> SO, as nobody here manages a web-based point-of-sales operation, how
> does one set up a secure remote data entry system?  Our entire 
> economy seems to be based more and more on web-based (presumably) 
> secure sales transactions, so it can't be that difficult. 
> 
> Thanks!
> -- 
> Richard D. McClary 
> Systems Administrator, Information Technology Group 
> ASPCA® 
> 1717 S. Philo Rd, Ste 36 
> Urbana, IL  61802 
> 
> [email protected] 
> 
> P: 217-337-9761 
> C: 217-417-1182 
> F: 217-337-9761 
> www.aspca.org 
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