GPL VOIP SIP INVITE message flooding

Query · suricata

content:"INVITE"; depth:6;
threshold:type both, track by_src, count 100, seconds 60;
Raw source GPL VOIP SIP INVITE message flooding · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert ip any any -> any 5060 (
    msg:"GPL VOIP SIP INVITE message flooding";
    content:"INVITE"; depth:6;
    threshold:type both, track by_src, count 100, seconds 60;
    classtype:attempted-dos;
    sid:2100158; rev:4;
    metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2019_07_26;
)

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