Re: RFC: Is SM_SIMU_CRASH (in rpc.statd) needed?

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On 06/22/2010 10:34 AM, Chuck Lever wrote:
>> Does anybody know who uses SM_SIMU_CRASH and is it
>> still needed? I'm getting some push back from our
>> security folks to plug this DoS hole up...
> 
> How is it a DoS?  statd ignores any SM_SIMU_CRASH from a non-loopback
> address that does not use a privileged port.  To invoke it, you
> basically have to be a privileged local user.
It happens during an ISS scan....

> 
> Right now, no one uses it, but I think we should reserve the right to
> use it in the future.  This could be part of a more robust interface
> between lockd and statd.
hmm... how can having a way of bringing down a daemon, make it more robust?

steved.

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