Re: Syscall security

[Ruth Ivimey-Cook]

On Fri, 26 Sep 2003, Maciej Zenczykowski wrote:

>> if this syscall activity is so low then it might be much more flexible to
>> control the binary via ptrace and reject all but the desired syscalls.  
>> This will cause a context switch but if it's stdio only then it's not a
>> big issue. Plus this would work on any existing Linux kernel.
>
>Unfortunately sometimes the data transfer through stdio can be counted in 
>hundreds of MB (or even in extreme cases a couple of GB), plus it is 

Would running the process under user-mode linux help any? (I'm not sure)

Ruth

-- 
Ruth Ivimey-Cook
Software engineer and technical writer.

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