> >But if I dont have web application for capture close button because web >browser is closed in other web site. >
What do you care. If the portal is open he should pay for the connection. Put an idle timeout if portal supports it in order not to (over)charge someone who has gone to bed and left the PC running. Ivan Kalik Kalik Informatika ISP - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html

