You might want to read up on this:
http://en.wikipedia.org/wiki/Magic_number_%28programming%29
On 7/30/05, Sebastian [EMAIL PROTECTED] wrote:
i know i shouldn't rely on mime types for file verification but anyways..
I use application/zip which works fine on firefox and only allows zips..
however, on Internet explorer it doesn't work since IE returns
application/x-zip-compressed for zips.. problem with this is it also
allow rar files.. so even checking mime types is just as useless as not
using it.. one mime type allows two different file types. pffft.
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