Re: Network Design

[pablo gietz <pablo.gietz () nuevobersa com ar>]

Hi 
I'am reposting this :

We have another level of firewall in the critical servers side.


Internet -> Firewall -> (DMZ) FTP/OWA server (DMZ) -> DMZ Firewall -> 

Corporate LAN (employee machines, etc...) -> Servers Firewall -> (Servers, exchange,etc)



Jeff McClintock wrote:

> Hello,
>
>
>
> I've been tasked with creating my first ever network.  Definitely 
>
> exciting, but lots of stuff to know :)  Given that, I wanted to run this 
>
> by you guys and get some opinions.  I work for a small firm of 20-25 
>
> employees that use Windows 2000 and XP exclusively.  They are planning to 
>
> scale to a maximum of 50 people within a year.  They have a full T1, and 
>
> want to have an FTP server, VPN and OWA access.  Web hosting is done by 
>
> their ISP.
>
>
>
> Does this seem like a pretty secure set up for them:
>
>
>
> Internet -> Firewall -> (DMZ) FTP/OWA server (DMZ) -> DMZ Firewall -> 
>
> Corporate LAN (with Exchange, employee machines, etc...)
>
>
>
> If so, any rec's on firewalls for something like this?  Since it's a 
>
> small firm, price is always an issue.
>
>
>
> thanks
>
> jm
>
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>  

--
Pablo A. C. Gietz
Jefe de Seguridad Informática
Nuevo Banco de Entre Ríos S.A.
Te.: 0343 - 4201351
Fax: 0343 - 4201329



---------------------------------------------------------------------------
Attend Black Hat Briefings & Training Federal, September 29-30 (Training), 
October 1-2 (Briefings) in Tysons Corner, VA; the world's premier 
technical IT security event.  Modeled after the famous Black Hat event in 
Las Vegas! 6 tracks, 12 training sessions, top speakers and sponsors.  
Symantec is the Diamond sponsor.  Early-bird registration ends September 6.Visit us: www.blackhat.com
----------------------------------------------------------------------------