[@stagger-lee Participant 11 years, 9 months ago]

Old topic but if it can help someone. Code is tested and still works, just formatting of code on this forum is wrong.

add_filter('bbp_current_author_ip', 'my_anonymize_ip');

function my_anonymize_ip($retval) {
$retval = '0.0.0.0';
return $retval;
}