Doug,
There are firewall applications coming standard with Linux.
Depending on which kernel you run you have IPChains
and IPtables.
If you run a 2.2.x kernel IPChains is your firewall program to use
If you run a 2.4.x kernel you have IPtables.
Both these firewalls can do what you want them to do and
a lot more.
I won't prefer using a personal firewall on production machines
because personal firewalls lack some security thingies.
You can also look at ipfilter on freebsd or openbsd (my personal
favorite). It can do A LOT and there are some good how-to's for
it (counts the same for the linux firewalls).
And best of all, they are free !!
Hope this helps,
Regards,
Brenno
> -----Original Message-----
> From: Doug Allbright [SMTP:[EMAIL PROTECTED]]
> Sent: woensdag 28 maart 2001 16:46
> To: [EMAIL PROTECTED]
> Subject: Need advice regarding Linux or Windows firewalls
>
> Greetings all
>
> I have a 10 pc network that I run from my home, currently 5 of them are
> connected directly to the internet via DSL.
> One is a Windows 2000 DC with Active Directory and IIS running on it.
> Another is a NT 4.0 Member server running Exchange 5.5
>
> I have personal firewalls on all but the DC and Exchange server machines.
> I
> want to set up a real firewall between the internet and my LAN. I can not
> afford to buy a firewall currently. However I have a couple of spare
> Pentium
> II machines that I install Linux on and then use a Linux firewall. Can
> anyone suggest a good Linux firewall that I could download off the
> Internet
> for free, or freeware based Windows firewall. I want to learn about
> firewalls as well as protect my systems. If this is a bad approach to the
> problem or if you have a better suggestion I am open to it.
>
> Thanks
> Doug
>
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