Archived from groups: microsoft.public.windowsxp.basics (
More info?)
"Ken Blake" <kblake@this.is.an.invalid.domain> wrote in message
news:OEbtJqQ6EHA.1260@TK2MSFTNGP12.phx.gbl...
> In news:%23KQnyKQ6EHA.2540@TK2MSFTNGP09.phx.gbl,
> Karen F <jakeyboy@frontiernet.net> typed:
>
> > Can I activate both the WindowsXP firewall and use the Zone
> > Alarm firewall also?
>
> You can, but the question is "should you?" You'll find those with
> different points on view on this. Here's mine: don't run two
> firewalls. You achieve no extra protection, you incur the extra
> overhead of running two firewalls, and you run the risk (probably
> small, but not zero) of conflicts between them.
>
> The Windows firewall monitors incoming traffic only. Almost any
> third-party firewall will also monitor outbound traffic, stopping
> rogue programs trying to call home, and is a better choice.
>
> Also note that if you update your third-party firewall to a new
> version, the update routine will probably turn it off first. If
> the Windows firewall isn't running, you will temporarily be left
> with no running firewall, which is very dangerous. So turn on the
> Windows firewall temporarily before doing maintenance on your
> third-party firewall.
>
> See
>
http://www.microsoft.com/athome/security/protect/firewall.mspx
>
> which includes the following:
>
> "Q. Should I use both the built-in firewall and a software
> firewall from a different company on my Windows XP computer?
>
> "A. No. Running multiple software firewalls is unnecessary for
> typical home computers, home networking, and small-business
> networking scenarios. Using two firewalls on the same connection
> could cause issues with connectivity to the Internet or other
> unexpected behavior. One firewall, whether it is the Windows XP
> Internet Connection Firewall or a different software firewall,
> can provide substantial protection for your computer."
>
>
> --
> Ken Blake - Microsoft MVP Windows: Shell/User
> Please reply to the newsgroup
>
>
Ken,
I like this last piece of advice - I had not considered that, but since I
always do a Clean Install of Zone Alarm, I will follow your advice.