function fb_disable_feed() {
wp_die( __('There is no feed available. Please visit our <a href = " '. get_bloginfo('Url') .' "> Homepage </ a>!") );
    }
add_action('Do_feed', 'Fb_disable_feed', 1);
add_action('Do_feed_rdf', 'Fb_disable_feed', 1);
add_action('Do_feed_rss', 'Fb_disable_feed', 1);
add_action('Do_feed_rss2', 'Fb_disable_feed', 1);
add_action('Do_feed_atom', 'Fb_disable_feed', 1);XML-RPC server accepts POST requests only.