Derek,
Would you please be so kind as to forward the "iptables.sh" file you
referenced in this list?
Patrick
----- Original Message -----
From: "Derek Glidden" <dglidden@illusionary.com>
To: <slug@nks.net>
Sent: Monday, October 28, 2002 1:11 PM
Subject: Re: [SLUG] How to set up a dedicated firewall box
> On Mon, 2002-10-28 at 13:58, Smitty wrote:
> > I am using suse 8.1and would like to retire my old box to firewall
service.
> > It has two nics installed that are of different brands. I have a adsl
> > connection with dynamic ip address.
> > I request tips on howto do this.
>
> the easiest way would be to grab one of the many dedicated firewall
> distros out there. but you may not understand exactly how it's working
> if it's too easy to set up, and that's generally dangerous when you're
> talking about security.
>
> You could otherwise install pretty much any modern distro as if you were
> going to set up a minimal-install server, then grab my "iptables.sh"
> script that I've floated across the list a couple of times, edit as
> appropriate and run it. "as appropriate" will require that you read
> through it and have some understanding of what it does, which is A Good
> Thing.
>
> I've also still got the presentation I gave some time ago online at:
>
> http://www.illusionary.com/~dglidden/linux-fw/
>
> it's more of a theory than practice kind of thing, but again, it's
> important to understand what your firewall is doing and how to verify
> it's doing what you want, otherwise you can wind up with a false sense
> of security.
>
> --
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> #!/usr/bin/perl -w
> $_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
> {$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
> $t^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)
> [$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
> "",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
> unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
> >>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*
> 8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
> print+x"C*",@a}';s/x/pack+/g;eval
>
> usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \
> | extract_mpeg2 | mpeg2dec -
>
> http://www.cs.cmu.edu/~dst/DeCSS/Gallery/
> http://www.eff.org/ http://www.anti-dmca.org/
>
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