File watching

[Timothy R. Chavez]

On Tue, 2006-06-20 at 13:10 -0500, Jonathan Abbey wrote:
> On Tue, Jun 20, 2006 at 01:53:14PM -0400, Steve wrote:
> | I have audit set to monitor all system calls for a file.  I see some 
> | system calls for it, but I think some may be missing...  If I create the 
> | file using vi, I only see an open followed by a stat64.  Shouldn't there 
> | be a write of some type?  stat and open can't write to a file, can they?
> 
> Generally (and I'm speaking from my experience with Snare, here), one
> does not attempt to audit the actual read and write syscalls.  Mainly
> because there are far, far too many of them, and you need their
> performance to be as high as conceivably possible.

I think it has more to do with security relevancy than anything.  Audit
development has primarily been driven by CAPP and LSPP requirements for
the last couple of years.

-tim

> 
> Instead, you audit the file open, and make a note of whether the file
> was opened read-only, or for read/write.  If it was opened for
> read/write, one presumes that it was written to.
> 
>  Jon
> 
> | Thanks,
> | Steve
> 
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