alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"🐾 - ℹ Asustor NAS 💽"; flow:to_server, stateless; threshold:type limit, track by_src,count 1, seconds 86400; tls_sni; content:".asustor.com"; nocase; ja3.hash; content:"fb4726d465c5f28b84cd6d14cedd13a7"; reference:url,https://www.asustor.com/; metadata:created_at 2022_07_14, updated_at 2022_07_14; sid:3300803; rev:1; classtype:misc-activity;)