alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET P2P Direct Connect Traffic (client-server)"; flow:from_client,established; content:"$MyINFO"; depth:7; reference:url,en.wikipedia.org/wiki/Direct_connect_file-sharing_application; classtype:policy-violation; sid:2002814; rev:5; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)