Question
How do I allow Instant Messaging (Yahoo Messenger) but block File Transfer within the Yahoo Messenger using Application Visibility and Control on the Web Security Appliance?
Environment
AsyncOS 7.x and later
From the GUI:
- Navigate to the Web Security Manager > Access Policies page.
- Click the link in the policies table under the Applications column for the policy group you want to edit. The Applications Visibility and Control page appears.
- Choose Define Applications Custom Settings in the Edit Applications Settings section.
- Click Instant Messaging under the Application column to expand it (that will show all available IM types currently supported)
- Click Yahoo Messenger and then select the radio button for Monitor and check Block File Transfer.
- Submit and commit.
Please note:
- Ensure that AVC is enabled.
- Check the access policy setting/configuration.
- Verify that clients are hitting the correct access policy using access logs details.
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