ET POLICY I2P Retrieving reseed info

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET POLICY I2P Retrieving reseed info";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/netdb/"; nocase; depth:7; fast_pattern;
    http.user_agent;
    content:"Wget/1.11.4"; bsize:11;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"Accept-";
    classtype:policy-violation;
    sid:2019898; rev:4;
    metadata:created_at 2014_12_09, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_15;
)