Reply To: Valid GoogleBot blocked

Sounds like you are using this XML-RPC protection Bonus Custom Code in the link below.  You can either whitelist IP addresses or Host names or just not use the Bonus Custom Code.  The choice is up to you.

http://forum.ait-pro.com/forums/topic/wordpress-xml-rpc-ddos-protection-protect-xmlrpc-php-block-xmlrpc-php-forbid-xmlrpc-php/