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Date:      Fri, 21 Jan 2000 23:44:06 -0700
From:      Brett Glass <brett@lariat.org>
To:        Gene Harris <zeus@tetronsoftware.com>
Cc:        freebsd-security@freebsd.org
Subject:   Re: Follow Up to NT DoS w/stream
Message-ID:  <4.2.2.20000121234159.0198a100@localhost>
In-Reply-To: <Pine.BSF.4.10.10001220019130.5546-100000@tetron02.tetronso ftware.com>

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At 11:42 PM 1/21/2000 , Gene Harris wrote:

>I then played around, using the FreeBSD box to launch an
>attack with the command ./stream 10.255.255.255 0 0 10000.
>Oh WOW!  The network came to a screaching halt.  An old
>laptop 100 MHz Pentium laptop stopped responding, and a much
>newer Windows 98 machine slowed noticably.  The collision
>light went from an occasional blink to pegged on the
>network hub. The NT machine took forever to read from the CD
>ROM on the Win98 machine.  The linux box stopped responding
>altogether.  No machine crashed.  I ran the attack for 30
>minutes.  As soon as the attack was terminated, all boxes
>returned to normal activity.

Sounds like the RSTs were being amplified into an ICMP storm.

--Brett



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