Все таки оказались заморочки с хостером.
добавил в .htaccess SecFilterEngine Off заработало
Server: nginx/0.7.65
Date: Mon, 07 Mar 2011 13:43:10 GMT
Content-Type: text/html; charset=UTF-8
X-Powered-By: PHP/5.2.8
P3P: CP="NOI NID ADMa OUR IND UNI COM NAV"
Cache-Control: private, must-revalidate, max-age=900
Expires: Mon, 07 Mar 2011 13:58:10 GMT
200 OKTransfer-Encoding: chunked
Server: nginx/0.7.65
Date: Mon, 07 Mar 2011 13:39:44 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
X-Powered-By: PHP/5.2.8
P3P: CP="NOI NID ADMa OUR IND UNI COM NAV"
Cache-Control: private, must-revalidate
Set-Cookie: SN4d7272b28dfda=887def34a103458a40d18f564c449c2b; expires=Mon, 14-Mar-2011 13:39:44 GMT; path=/
200 OK
banev