SANGFOR IAM v2.1 User Manual236[Search by Group]: Specifies a group to view the flow ranking information. Click the button and select a user group, and then click .[Display Option]: Specifies the number of items to be displayed (the top flow rankings), and thetime interval to automatically refresh the data. You can click to save thesettings and facilitate you to view your preferred statistics (displayed by default) next time.: Click this button to have the auto refresh function stop.: Click this button to obtain the host name of the corresponding device (IP address), asshown below:If you want to block a user, select the user and then configure the time duration which the selecteduser(s) is blocked for.Click the button, as shown below: