yes this is a nat router <a target="_blank" href="http://www.3com.com/products/en_US/result.jsp?selected=all&sort=effdt&sku=3CR WDR100A-72&order=desc">3Com
ADSL Wireless 11g Firewall Router 3CRWDR100A-72</a>
before i do the za test i am disabling the firewall router and setting the computer i am testing to a dmz. would this not mean that all nat was switched off for that machine?
and even if nat was on would this interfere with za?