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File upload means sending a file from a local system to a remote system such as a server or another client with the intent that the remote system should store a copy of the file being transferred.
35
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answers
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Does changing an uploaded executable's file extension to .png render it safe?
A colleague of mine has a personal website in which he allows users to upload anything within a certain size,
but before the actual upload he checks to see the file extension:
if ( $type == 'image/ …