I recommend looking at a network dump and inspecting the web server error logs.

Also, you may want to binmode the socket when sending binary data. You also want to send a Content-Length header and a HTTP response code. Maybe you want to use HTTP::Response or CGI to create the response output?

Update: You're already using binmode.

In reply to Re^5: How to download a file from the server (content disposition CGI->header( qw{ -type mime/type -attachment filename } ) ) by Corion
in thread How to download a file from the server by ghosh123

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