How do I prevent users from accessing undesirable external network resources, such as inappropriate websites?

Step 1

From the CDO home page, click Inventory in the navigation bar.

Step 2

Find the Secure Firewall Threat Defense device you want to add these rules to. You can use the filter or search field to find the device.

Step 3

Select the device and in the Policies pane at the right, click Access Control.

Step 4

Click the policy you want to update.

Step 5

Click Add Rule.

Step 6

Give the rule a name.

Step 7

In the Action field, select Block.

Step 8

Insert the rule into either the Mandatory or into the Default policy.

Step 9

Click the URLs tab.

Step 10

In the Categories section, check the categories you want to block and accept the default value for "Any Reputation".

Step 11

Click Add URL.

Step 12

If there are specific URLs that you want to block, you can do that by entering them in the Manually Enter URL field and then click Add URL.

Step 13

Click Apply.

Step 14

On the policy page, click Save.

Step 15

When you are ready to deploy this change to the device, click Deploy in the menu bar at the top of the page.