alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"🐾 - ℹ Libre Office 📗"; flow:to_server, stateless; threshold:type limit, track by_src,count 1, seconds 86400; tls_sni; content:"update.libreoffice.org"; nocase; reference:url,https://www.libreoffice.org/; metadata:created_at 2022_08_09, updated_at 2022_08_09; sid:3300806; rev:1; classtype:misc-activity;)