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From: Michael Knigge <Michael.Knigge@set-software.de>
To: Abhishek Agrawal <abhishek@abhishek.agrawal.name>
Cc: Nir Livni <nir_l3@netvision.net.il>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: FileSystem Filter Driver
Date: Wed, 23 Apr 2003 11:47:39 GMT	[thread overview]
Message-ID: <20030423.11473966@knigge.local.net> (raw)
In-Reply-To: <1051092516.1896.7.camel@abhilinux.cygnet.co.in>

Hi,

> What's a FileSystem Filter Driver?

This is a driver that intercepts calls to the filesystem - for example 
for monitoring or to do additional access checks. Such a filter driver 
can then pass the call down to the filesystem or just cancel the call 
and (for example) return "access denied".


Under Windows a pretty well-known filter driver is FileMon at 
www.sysinternals.com. Thex also have a Linux version but (ahhh) 
without Source (the source for the Windows-Version is available). The 
Linux-Version can be found at 
http://www.sysinternals.com/linux/utilities/filemon.shtml

I guess what they are doing is similar to the way strace works - but 
I'm not sure. Hmmm, let us strace this thing ;-))))


Here are two Links that might help to implement such a thing under 
Linux (the most interesting is DaZuKo):

http://www.dazuko.org/
http://oss.sgi.com/projects/fam/



Bye
  Michael






  reply	other threads:[~2003-04-23 11:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-23 10:28 FileSystem Filter Driver Nir Livni
2003-04-23  1:05 ` Antonio Vargas
2003-04-23 12:20   ` Nir Livni
2003-04-23 12:22     ` Muli Ben-Yehuda
2003-04-23 10:08 ` Abhishek Agrawal
2003-04-23 11:47   ` Michael Knigge [this message]
2003-04-23 12:11     ` Abhishek Agrawal
2003-04-23 16:11       ` joe briggs
2003-04-23 15:48     ` Leonard Milcin, Jr
2003-04-23 16:21       ` Valdis.Kletnieks
2003-04-23 12:58   ` Nir Livni
2003-04-23 11:53 ` Rogier Wolff
2003-04-23 14:27   ` William Stearns
  -- strict thread matches above, loose matches on Subject: below --
2003-04-23 19:12 Chuck Ebbert
2003-04-29 13:35 Nir Livni

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