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Date:      Sat, 11 Jan 2003 07:47:26 +0300 (MSK)
From:      "."@babolo.ru
To:        Josh Brooks <user@mail.econolodgetulsa.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: What is my next step as a script kiddie ? (DDoS)
Message-ID:  <1042260446.806267.9734.nullmailer@cicuta.babolo.ru>
In-Reply-To: <20030110201640.A78856-100000@mail.econolodgetulsa.com>

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> 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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