Sorry that you didn't get any reply before,
NP I appreciate any help I can get
Can't you achieve what you want in a much safer way, just by forwarding the appropriate ports
I probably could, the reason I DMZ'd my gaming PS3 is because on my old router I had a limited number of ports I could forward, I think there was something like 16 or so. AFAIK there are no security threats to the PS3 so find it easier if it's just dropped in the DMZ for easiness. Should I hear of any thing malicious I will go back to forwarding. Oddly last night after having a go at setting up all the static i.p's my PS3 had a nat type 1 for the first time ever even though I DMZ'd it on my old router. That's a bonus nat 1 is fully open usually associated with a modem, nat 2 is behind a router but the correct ports open which is still good and nat 3 firewalled not good.
I managed to get everything I had working and on static i.ps fingers crossed except my laptop on wireless but due to the ease of other wireless devices I connected I think this is an issue with the laptop rather than the router settings.
I looked into multiple DMZ a bit more and found that it can be done but only if you have another static ip from your isp. I guess what I will have to do is just manually forward ports for each game on the PS3 that's not in the DMZ, still not sure if things will conflict if both are on at the same time, I'm guessing though the router will know how to deal with the traffic
I'm sure this isn't the first case of two things on the same network using the same ports
One worry I have with V6 firmware is I can't see the ability to back up my router config's
I hope I don't have to go through all this again any time soon