alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET SCAN Httprint Web Server Fingerprint Scan"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/antidisestablishmentarianism"; reference:url,www.net-square.com/httprint/; reference:url,www.net-square.com/httprint/httprint_paper.html; classtype:attempted-recon; sid:2008416; rev:7; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2020_04_27;)