Have you looked at the suggestions at this site?

http://www.zonelabs.com/store/content/support/zapNetworkFAQ.jsp

There are cases when the ip address does not get renewed and they have troubleshooting tips on the above webpage.

Tracy

>Hi Tracy,
>
>Yes I am looking for a personal pc firewall... I used McAfee Firewall Plus the online version, and it was good.
>
>Ed recomended Zone Alarm which I don't like, but yestarday I downloaded the Plus version "Zone Alarm Plus", in fact I found some nice features are not covered by McAfee Firewall.
>
>Only one problem that it disconnect my network connections after some time which I don't like at all, and I could not find where is the configuration related to this subject !!, and I think I'll uninstall it if I could not fine a solution for this.
>
>So, Zone Alarm Plus is good as you and others recommended, I do agree with that, (Accept the problem I faced above :))
>
>ADSC
>
>
>>Neither,
>>
>>For a personal pc(?) I recommend Black Ice or Zone Alarm Pro. I used Zone Alarm Pro for a year and then switched to Black Ice. For a server, I have different recommendations...
>>
>>Tracy
>>
>>
>>>Hi to all,
>>>
>>>It’s really confusing to decide what Firewall system to buy (McAfee or Norton)
>>>
>>>Does any one have some experience with these firewalls? Or comparison sheet?
>>>
>>>Thank you