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SetInputFilter or AddInputFilter arguments

What arguments can be used with SetInputFilter or AddInputFilter

     
2:36 pm on Nov 20, 2012 (gmt 0)

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Is there a list or guideline of what arguments can be used with SetInputFilter or AddInputFilter? The info at Apache.org is not the most complete docs I have ever searched.

For example, is there anyway to use either of these directives to make sure that when my users upload an image file like image.png that it is a clean static file and keep it from executing if it isn't?

I'm shooting in the dark here, but say something like this:

SetInputFilter -ExecCGI


That's just an example, I have no idea what that would do, but it's the only example I can think of at the moment. Or maybe that's not even possible with this directive? Or does Apache already do this on it's own?
3:20 pm on Nov 20, 2012 (gmt 0)

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WebmasterWorld Administrator phranque is a WebmasterWorld Top Contributor of All Time 10+ Year Member Top Contributors Of The Month

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Filters - Apache HTTP Server:
http://httpd.apache.org/docs/2.2/filter.html [httpd.apache.org]

you could write a module to do this if not already available but it may be easier to do this check in your upload script.