NOTE: You can change the Prevention and Detection from the global settings and adjust other settings such as the schedule when the signature is enabled. For example, some organizations want to allow IM traffic for everyone during lunch hours but deny it outside of those hours.
Applying Granular IM Policies
Now if you wanted to prevent AIM file transfers for everyone, navigate to the individual signature and configure it.
We can override any global or category settings by managing individual signatures and applying them to whomever we desire. In this example, we’ll block AIM transfers for all AD users including our administrators.
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