If they reveal themselves in the AGENT info of each web request, you could act on that accordingly in your PHP code by looking at the REQUEST_AGENT variable. I use this tactic to prevent web sucking programs from access my site all at once.
On Mon, 13 May 2002, David McInnis wrote: >-I have been running a newswire service since 97 and recently noticed an >-increase in the number of people flipping our site to harvest email >-addresses contained in the news releases posted on our site. (prweb.com) >- >-I am running apache and php on a linux box. Can anyone suggest >-something that I can implement that would block users who are harvesting >-data from our site? I do not mind legit users from using this data, but >-the flippers are chewing up my bandwidth and db resources. >- >-I also want to be careful to not block valid search engine spiders from >-indexing our site. >- >-David McInnis >- >- >--- >-PHP General Mailing List (http://www.php.net/) >-To unsubscribe, visit: http://www.php.net/unsub.php >- ************************************** John Huggins VANet [EMAIL PROTECTED] http://www.va.net/ ************************************** -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php