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Date:      Fri, 10 Jan 2003 21:31:41 -0800 (PST)
From:      Josh Brooks <user@mail.econolodgetulsa.com>
To:        "."@babolo.ru
Cc:        freebsd-net@freebsd.org
Subject:   Re: What is my next step as a script kiddie ? (DDoS)
Message-ID:  <20030110213122.C78856-100000@mail.econolodgetulsa.com>
In-Reply-To: <1042260446.806267.9734.nullmailer@cicuta.babolo.ru>

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What would you run on a different server to do traffic estimation ?  How
would you do such a thing ?

thanks.

On Sat, 11 Jan 2003 .@babolo.ru wrote:

> > Well, my "router" is the freebsd machine - celeron 500 and 256 megs.
> >
> > Where would you suggest doing bandwidth counts for all of my IPs if I
> > don't use ipfw count rules at the firewall/router ?
> I use argus.
> It is not so comfortable for traffic accounting.
> It is used for the second role - traffic auditing too.
>
> And see - trafic estimation is not router's job.
> Use separate server, and remember, that traffic calculation
> can be huge under attack.
>
> > And also thank you very much - I am very happy to hear that you think a
> > freebsd firewall/router will not be easy to break if it is not allowing
> > things to ports on the servers behind it that are not valid...
> Sorry, I know English bad and do not understant
> your last line above.
>
> > On Sat, 11 Jan 2003 .@babolo.ru wrote:
> >
> > > IMHO it is almoust impossible to touch
> > > properly configured router without
> > > open services on it.
> ..
> > > Optimize ipfw for speed, do not
> > > use it for count - and only
> > > mistakes lead to crash.
> > >
> > > It seems your router is powerful enough for
> > > your circumstances
> > >
> > > Servers are another thing however... :-((
> > >
> > > > Ok, understood - but the point is, at some point the attackers are going
> > > > to realize that their syn floods are no longer hurting me  ...  and
> > > > regardless of what they conclude from this, what is the standard "next
> > > > step" ?  If they are just flooders/packeteers, what do they graduate to
> > > > when syn floods no longer do the job ?
> >
>


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