forcing FTP-uploaded files to be of certain types only

[Phil Regnauld]

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.