On Fri, Jun 17, 2011 at 7:37 PM, Mark Rages <markrages@gmail.com> wrote:

> But a malicious server can serve any MIME type to a URL ending in
> .png.  On the web, the extension is not used to determine file type.
>

You're absolutely right, but no computer that's not a shitty winbloze 98
machine will automatically execute something off the Internet. It would at
least need to be through a plugin of some sort which would at least warn yo=
u
first.
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