[thelist] Another way of trapping bots (was: Congrats to evolt.org....)

Warden, Matt mwarden at mattwarden.com
Fri Sep 21 18:40:07 CDT 2001

On Sep 22, Paola Kathuria had something to say about [thelist] Another way...

>However, new robots appear daily and so I created a link which only
>robots would follow - the link is of a 1-pixel transparent gif (with
>no alt text) and it is to an empty page that just sets a session
>variable.  If the session id is "null" or if the "caught" variable has
>been set, the clickable palettes with their 4,500 links won't appear
>in the Colour Selector.  The catch link is at the very top and very
>bottom of pages.

Sessions rely on cookies, right? How many of these robots accept



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