Yesterday i was checking my cpanel error logs and found the following interesting error log. [client 18.104.22.168] File does not exist: /home/username/public_html/signup.php+[PLM=0][R]+GET+http: The client ip 22.214.171.124 is that of a spammer http://www.stopforumspam.com/ipcheck/126.96.36.199 I believe this is a hacking attempt or something similar to it. But i have no idea what the spammer is trying to accomplish by signup.php+[PLM=0][R]+GET+http: Have any idea on what does it mean by signup.php+[PLM=0][R]+GET+http: ??? Can someone please decode it???