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Date: Tue, 18 Jul 2006 15:11:25 +0200
From: Phil Regnauld <regnauld@catpipe.net>
To: Brian Candler <B.Candler@pobox.com>
Message-ID: <20060718131124.GB75090@catpipe.net>
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Cc: Mikhail Teterin <mi+mx@aldan.algebra.com>, isp@freebsd.org, net@freebsd.org
Subject: Re: forcing FTP-uploaded files to be of certain types only
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Brian Candler (B.Candler) writes:
> How wedded are you to FTP? If this was a HTTP 'PUT' then a simple CGI could
> read in 100 bytes, check it is compressed (e.g. with libmagic), then copy
> through the rest of the file. The result from the PUT can be a HTML page
> saying "all OK" or "please compress your data first"

	A reverse FTP proxy (squid might or might not support FTP proxying
	on "PUT", to be checked) with an external handler.  Around 50 lines
	of Perl ought to do the trick.