You can block a source IP address from accessing either all applications or only selected applications by editing policy rules. Then you can view the policy changes by clicking the policy name or view affected devices by clicking the device count. Also, you can click the policy to view the affected rules, edit the rules, and save them, if required.
To block the source IP address:
The Source IP Visibility page appears.
A pop up window appears showing the information on the number of sessions, bandwidth consumption, and top five applications of that particular IP address.
Note: Click View All Applications to view all the applications of the source IP address on the Application Visibility page. You can select an application and block it by clicking Block Application.
The Block Application page appears.
Block the source IP address from accessing a particular application by selecting the application listed under the Top 5 Applications table, and then click Block Application(s).
The Block User page appears. All the policies that need to be edited to block the IP address from accessing the applications are listed under the Policy Name column.
Click Publish to publish the changes.
Click Update to update the changes.
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