alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET P2P LimeWire P2P Traffic"; flow:established; content:"Server|3a| LimeWire"; nocase; reference:url,www.limewire.com; classtype:policy-violation; sid:2007800; rev:4; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2019_07_26;)