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If a computer is setup with a dual NIC, one on the internal Network and one one the DMZ and the computer is infected by a virus\trojan\worm would the internal network be at risk of this infection?
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If a computer is setup with a dual NIC, one on the internal Network and one one the DMZ and the computer is infected by a virus\trojan\worm would the internal network be at risk of this infection?

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yep. &nbsp;actually, connecting the DMZ to the internal network sorta makes every single computer on the network &quot;in the DMZ&quot; by definition. &nbsp;internal networks should have well defined boundries on all sides by firewalls.
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yep.  actually, connecting the DMZ to the internal network sorta makes every single computer on the network "in the DMZ" by definition.  internal networks should have well defined boundries on all sides by firewalls.

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I have a couple questions about setting up Windows 2k servers. &nbsp;<br />
1) &nbsp;What are the security differences between using One-to-One NAT through a Sonicwall Firewall and Using dual NIC servers utilizing the DMZ port (as well as an internal connection)?<br />
2) &nbsp;I have monitoring software running on the server and when set up utilizing the DMZ and and internal connection (dual NIC)the server fails when trying to monitor internal resources?<br />
3) &nbsp;When running Poject Web Access will I have problems with Domain Authentication when accessing through DMZ from an external address.
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I have a couple questions about setting up Windows 2k servers.  
1)  What are the security differences between using One-to-One NAT through a Sonicwall Firewall and Using dual NIC servers utilizing the DMZ port (as well as an internal connection)?
2)  I have monitoring software running on the server and when set up utilizing the DMZ and and internal connection (dual NIC)the server fails when trying to monitor internal resources?
3)  When running Poject Web Access will I have problems with Domain Authentication when accessing through DMZ from an external address.

DMZ VS. One to One NAT

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.