Malformed syn packet cause %100 cpu and interrupts FreeBSD 9.0 release

Seyit Özgür seyit.ozgur at istanbul.net
Mon Apr 2 14:14:42 UTC 2012


it was fragmented packets.. i set up "net.inet.ip.fragpackets=0"
there is no more fragmented packets.. This is not a solution for all
systems..
Just i don't need fragmented packets.. that was stuck my ethernet card while
flooding..
Everything works fine atm.


Seyit Özgür
Network Yöneticisi

-----Original Message-----
From: Trent Nelson [mailto:trent at snakebite.org] 
Sent: Monday, April 02, 2012 4:38 PM
To: Seyit Özgür
Cc: freebsd-net at freebsd.org
Subject: Re: Malformed syn packet cause %100 cpu and interrupts FreeBSD 9.0
release


On Mar 22, 2012, at 5:30 AM, Seyit Özgür wrote:

> I solve the problem myself.
> Thanks anyway

For the records*, what'd you do?

> Best regards.
> 
> Seyit Özgür
> Network Yöneticisi
> 


*: http://xkcd.com/979/



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