If using IIS, use an ISAPI filter on the images dir to check that the referrer is from 
an authorised host. A similar arrangement is available for Apache but is far easier to 
implement, though I forget the details right now.

Steve

> -----Original Message-----
> From: Taz [mailto:[EMAIL PROTECTED]
> Sent: 21 January 2004 09:38
> To: [EMAIL PROTECTED]
> Subject: Re: [ cf-dev ] OT: preventing hotlinking
> 
> 
> I've just thought of an interesting solution to this problem, 
> that doesn't
> require more 3rd party plugins for IIS.
> 
> Assuming your application is CF throughout, you could store 
> the name of the
> images directory in a database and pick this up for output in 
> any links.
> Then you could set up a session to change the name of the 
> images directory
> every day.
> 
> This wouldn't physically stop people from linking to images, 
> but it would
> make their links redundant every day.
> 
> Taz
> 
> 
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