alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Metacafe.com Social Site Access"; flow:established,to_server; threshold:type both, track by_src, count 5, seconds 300; http.host; content:"www.metacafe.com"; startswith; classtype:policy-violation; sid:2003457; rev:7; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2020_09_02;)