Date: Thu, 19 Feb 2004 16:30:52 -0800 (PST) From: Dorin H <bj93542@yahoo.com> To: Darren Reed <avalon@caligula.anu.edu.au> Cc: freebsd-security@freebsd.org Subject: Re: traffic normalizer for ipfw? Message-ID: <20040220003052.41695.qmail@web12606.mail.yahoo.com> In-Reply-To: <200402192315.i1JNFxo4004083@caligula.anu.edu.au>
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--- Darren Reed <avalon@caligula.anu.edu.au> wrote:
> In some mail from Bruce M Simpson, sie said:
> >
> > On Thu, Feb 19, 2004 at 01:02:16PM -0800, Dorin H
> wrote:
> > > Is there some way to configure ipfw to do
> traffic normalizing ("scrubbing", as in ipf for
<snip>
> You mean pf, not ipf..
Right.
>
> normalizing is over rated as a firewall feature -
> it's really
> something that belongs in IDS software.
>
<snip>
> Darren
True, it's part of IDS. Nevertheless, do you think
that traffic normalizing is useful?
If yes, where would you have it (you need an inline
device for it; move the IDS inline and becomes IPS,
which, IMHO, is indeed something over rated:)?
If not, do you know better ways to handle IDS evasions
(other than network active mapping, which takes both
time & resources and could be useful for small
networks only probably)?
TIA,
/Dorin.
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