"Jeff" <j***@naol.com> wrote in message
news:%23HykfrZqGHA.2180@TK2MSFTNGP05.phx.gbl...
>I have a 3-pc home wireless LAN, WPA protected, that connects to the
> internet through a router and cable modem. All are XP Home systems.
>
> Has been working with no problem for almost a year and now suddenly,
> although the wlan has no problem (can connect and see all PCs fine), on
> one
> laptop, the ip cannot renew itself properly.  This demonstrates itself in
> that when the laptop goes into hibernation and then restores itself, very
> often it loses its internet connection (LAN remains on) and refresh
> usually does not work requiring a reboot.
>
> In searching for a possible cause I am now focusing on my Zone Alarm
> firewall as the possible cause because a fresh installation of Zone Alarm
> seems to have occurred during a recent ZA update. So I had to reset again
> all the program permissions in ZA.
>
> Looking into the ZA settings, I notice:
> - the wireless adapter is in the internet Zone, but in the "advanced
> settings" there is are 2 options that are not selected (the default) and I
> wonder if they might be the problem.  Before setting them to selected, I
> am
> asking for help in case these are dangerous to select.  They are
> a.  "Allow Outgoing DNS/DHCP in Trusted Zone on High setting"
> b.  "Allow Outgoing DNS/DHCP in Internet Zone on High setting"
>
> Could these be the problem and should I select one or the other? Would
> that
> be safe?
>
> Jeff
>
>
>