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Wondering if there's a way to deny site wide access to any url requesting
test.txt using .htaccess
[edited by: jdMorgan at 2:14 pm (utc) on Feb. 6, 2008]
[edit reason] example.com [/edit]
Mod security is telling you an exploit attempt was detected and it issued a 500 / 40x error (not that the transmitting end would recognise it as they are fire and forget).
To block it totally from accessing your server you need to deny the ip address but you do not know that before hand as different proxies / compromised devices are being used everytime.