Here is what we do for WiMax when we don't know the username/passwords. In the auth section add something like this: update control { Auth-Type := Accept } update outer.reply { Framed-Filter-Id := Test } The Framed-Filter-Id would be replaced with whatever VSAs you need to send. David -----Original Message----- From: Freeradius-Users [mailto:freeradius-users-bounces+davidp=wirelessconnections.net@lists.freeradius.org] On Behalf Of Antonio Fernández Pérez Sent: Tuesday, November 10, 2015 10:12 AM To: freeradius-users <freeradius-users@lists.freeradius.org> Subject: FreeRADIUS on maintenance mode? Open authentication. Hi everybody: I would like to know if there are some option to adjust in FreeRADIUS configuration to allow open authentication from all users. I have to make some maintenance tasks on MySQL and I don't want to interrupt the service. My objective is prevent alter all hotspot configurations (NASes) disabling RADIUS server. I hope your advices. Regards, Antonio. - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html