We have required to configure the policy to block the yahoo im through DLP?
You can monitor the traffic with DLP:
You can block the application with SEP using application and device control:
You can also use the SEP IPS
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Yes you can monitor traffic through DLP,If you want to block you can using SEP ADC policy.
IM:YAHOO Monitoring on DLP 12.0
Block Applications like Yahoo,Skype,Gtalk etc using Application and Device control policy.