Hacking cəhdi?

Salam.Bir neçə gündür ki, demək olar ki fasiləsiz olaraq serverimdə error log-u bularla doludu.hər error-dan çoxdur,mən təkrar olmasın deyə sildim.bu nədən ola bilər?scriptdə səhv yoxdur

[Mon Dec 26 10:59:07 2011] [error] [client serverimin_IPsi] File does not exist: /var/www/mysite/data/www/www.mysite.com/cobebizs
[Mon Dec 26 11:11:18 2011] [error] [client 58.218.199.250] script '/var/www/mysite/data/www/www.mysite.com/www/proxyheader.php' not found or unable to stat
[Mon Dec 26 11:57:19 2011] [error] [client serverimin_IPsi] File does not exist: /var/www/mysite/data/www/www.mysite.com/213
[Mon Dec 26 13:01:27 2011] [error] [client serverimin_IPsi] File does not exist: /var/www/mysite/data/www/www.mysite.com/mysite/bdac2a94defa.htm
[Mon Dec 26 13:01:27 2011] [error] [client serverimin_IPsi] File does not exist: /var/www/mysite/data/www/www.mysite.com/www/bdac2a94defa.html
[Mon Dec 26 13:47:17 2011] [error] [client 58.218.199.250] script '/var/www/mysite/data/www/www.mysite.com/www/proxyheader.php' not found or unable to stat
[Mon Dec 26 19:46:48 2011] [error] [client 217.69.40.172] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:)
[Mon Dec 26 19:53:54 2011] [error] [client 88.46.75.27] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:)
[Mon Dec 26 20:06:46 2011] [error] [client serverimin_IPsi] File does not exist: /var/www/mysite/data/www/www.mysite.com/www/forgot
[Mon Dec 26 20:29:25 2011] [error] [client 58.218.199.250] File does not exist: /var/www/mysite/data/www/www.mysite.com/ppcfinder