I'll take a look at it while I'm at BSDCan next week. From your website's description of the attack, I don't see why FreeBSD would be affected so greatly... we must be wasting a lot of time traversing linked lists / etc.
Mike "Silby" Silbersack
On Mon, 2 May 2005 [EMAIL PROTECTED] wrote:
Greetings and Salutations:
I *just* got my FreeBSD setup stable and working witha KDE GUI. :-). I know, easy for you guys but this is the first time I have set up FreeBSD with automatic updates. I settled on FreeBSD 5.4 after many tries.
I tried the Rose Attack / NewDawn against my laptop (it is a slow Pentium II 400 MHz Dell Inspiron 7000): http://digital.net/~gandalf/Rose_Frag_Attack_Explained.htm
Specifically: ./NewDawn4 1 <IP Address> 0 5 9999 99999999 4000 2
My machine locked up at pretty close to 100% when viewing the top command.
I asked a fellow worker who had a PIII 733 MHz to take a look and he reported about 70% CPU increase.
FYI. You might wish to take a look into this, IMHO this is a decent CPU DOS.
Ken
------------------------------------------------------------------ Do not meddle in the affairs of wizards for they are subtle and quick to anger. Ken Hollis - Gandalf The White - [EMAIL PROTECTED] - O- TINLC WWW Page - http://gandalf.home.digital.net/ Trace E-Mail forgery - http://gandalf.home.digital.net/spamfaq.html Trolls crossposts - http://gandalf.home.digital.net/trollfaq.html
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