I tend to trust large companies to organise some sort of interactive support.
As it happens you can actually talk to them, but they don't advertise this on their sites. They don't even publish the telephone number of their local office. If they did publicise these things they would probably have to employ more staff, and that would never do, would it?
Why? I don't mean to be rude but you are demonstrating that you have no clue what ZA is actually doing and would be much better off using the Windows firewall, assuming you have Windows XP SP2. You said in another post that two other machines are connected to your router. Do they continue working when your machine disconnects? What does ipconfig /all say when you are connected and when you are disconnected?
And if you don't get that support despite the fact that you payed for the product you show up here whining for free support from others for a commercial product.
The product you bought is crap, it does not provide real sucurity and can safely be uninstalled. The best one can say about it is that is does not do too much harm, concerning security it is pure snak-oil.
It's just that I cannot re-initialise/restart the router while ZA is running. Therefore ZA is the problem!
Some time ago, when I was using the free version of ZA, and I WANTED to disconnect, I couldn't reconnect from within ZA and couldn't restart the router. As I understand it you ought to be able to connect and disconnect from within ZA without having to reboot the computer, reinstall XP or remortgage your house!
ZA and all similar products claim that they can control outgoing traffic. In fact they can't. Quite some existing malware will be able to trick these tools, switch them off of whatever else.
Once malware that is sufficiently evil is executed the system is toast. It is toast no matter whether a firewall placebo is installed on the system or not. The solution is simple: Don't install or ececute malware.
ZA is not part of the router's software that makes the router work is it?
If ZA is not part of the router's software and ZA is running on the computer with the Windows O/S then how is the problem you're having be related? ZA has nothing to do with the operations of the router just like the Windows O/S has nothing to do with the control or operations of the router. The router has its own software that makes it operate and it's independent of whatever ZA is doing.
I don't know what your problems are but I doubt that it's a router ZA issue/conflict.
Ok, so, what does ZA do when malware includes its own TCP/IP stack and talks directly to the network card?? If you want to keep intruders out then follow advice already given in this thread. There's no need for me to repeat it. You might also want to stay away from Outlook Express and Internet Explorer. Use alternatives. This will help you avoid installing malware accidentally.
Ok. So, what you meant to say in your original post was "Zone Alarm Pro 6 disconnects the computer it's installed on from the internet regularly and without being asked to do so."
Ok so we've established that ZA is the cause of the problem and not your router. Since I can only guess at the reason I'll give three possible reasons. ZA is blocking 1. DHCP, 2. DNS, 3. Path MTU discovery.
1 seems unlikely, 2 is more likely, 3 is also very likely in your case. There are may other possible reasons, all of which will go away when you take the best option and remove ZA and follow other advice given in this thread to secure your computer. You don't need ZA, but I know it's going to be hard to accept that if you've already wasted your money and can't get a refund.
This is a fairy tale. It's not possible to have control about what you're calling "outgoing traffic".
Yes, Zone Alarm Pro is filtering Windows messages now. And of course, this is completely nonsense, because this means hailing popups. No user will be able to deal with it (beside the fact, that this easily can be bypassed, too, by adding an autoclicker for those popups).