WPF2B_EVENT_AUTH_OK

Authentication OK.

syslog	Facility	LOG_AUTH or LOG_AUTHPRIV
	Level	INFO
	Example	`Accepted password for Arthur on fqdn.example.com from 192.0.42.1`
fail2ban	Filter	n/a
	Rule	`Accepted password for <F-ALT_USER>.*</F-ALT_USER><_tail>`
EventData	username	`\WP_User\|null`	User object if the user is known or `null`.