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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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