Re: Firewalls

From: Clo (cloclo1941_at_yahoo.com)
Date: 07/14/03 

Date: Mon, 14 Jul 2003 08:58:47 -0700

>-----Original Message-----
>"Clo" <cloclo1941@yahoo.com> a écrit dans le message de
news:06f701c349fa$dbb2b6c0$a401280a@phx.gbl...
>> Two computer experts (one that owns a shop - sells,
>> builds and repairs) are both telling me that I should
not
>> install a Firewall cuz it slows down computers. And in
>> any case when I go in web sites or receive or send e-
mail
>> I'm giving permission to come in anyway. They are
>> telling that firewalls are useless and as long as I
have
>> a good anti-virus it's enough. What do you think?
>
>Maybe they are no so "expert"...
>
>Firewall block most of the network traffic between
>to outside and your computer (or a whole network).
>So, a well configured firewall will block everything
>except the connections you request (e.g. http and
>https for web browsing).
>
>Firewalls are not the ultimate solution in security:
there is
>no such thing. You can secure a computer without
>using a firewall (by stopping all unnecessary program
>listening for connections). However, firewalls have two
>big advantages:
> * they offer a pretty good security against unwanted
>incoming connections
> * they are usually easy to setup for maximal security
>(i.e. block every incoming connection), even for non
>expert users.
>Moreover, they become even more useful if you want
>to protect a whole network (using a dedicated firewall
>box).
>
>As far as speed is concerned, I didn't notice any
>difference, and I don't believe it is really important:
most
>of the delay is caused by the network, not by whatever
>processing is done by the computer.
>
>So, don't hesitate to install a firewall: it's good for
the
>security of your computer.
>
>On the other hand, you shouldn't believe some noisy
>firewalls that keep telling you that your computer was
>protected from an attack: most of these incoming packets
>are rather harmless. And remember that security is _not_
>just running a firewall and an antivirus. You should
first
>keep your eyes open and try to understand the security
>implications of what you do.
>
>
>.
>OK...I just installed Kerio Personal Firewall..do you
know that one? if so, do you recommend it? Merci
beacoup pour votre précieuse aide. Clo

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