Re: DoS attack against TCP services

["J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>]

On 28 Feb 2015, at 18:20, 6bone%6bone.informatik.uni-leipzig.de@localhost wrote:

> On Sat, 28 Feb 2015, Christos Zoulas wrote:
> 
>> Good idea. You can use crash, ps and see what each process is holding...
>> 
>> christos
> 
> Here the output from crash and ps
> 
> gate# crash
> Crash version 7.0_BETA, image version 7.99.5.
> WARNING: versions differ, you may not be able to examine this image.
> Output from a running system is unreliable.
> crash> ps
> PID    LID S CPU     FLAGS       STRUCT LWP *               NAME WAIT
<snip>
> 0        5 3   0       200   fffffe882df11860          softclk/0 tstile

This one looks bad.  Which thread holds proc_lock?

--
J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig (Germany)