alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY docs.google.com Activity"; flow:established,to_server; http.host; content:"docs.google.com"; startswith; reference:url,docs.google.com; classtype:policy-violation; sid:2003121; rev:7; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_07;)