GPL VOIP SIP 401 Unauthorized Flood

Query · suricata

content:"SIP/2.0 401 Unauthorized"; depth:24;
threshold:type both, track by_dst, count 100, seconds 60;
Raw source GPL VOIP SIP 401 Unauthorized Flood · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert ip any 5060 -> any any (
    msg:"GPL VOIP SIP 401 Unauthorized Flood";
    content:"SIP/2.0 401 Unauthorized"; depth:24;
    threshold:type both, track by_dst, count 100, seconds 60;
    classtype:attempted-dos;
    sid:2100162; rev:5;
    metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.