ET INFO NGrok Skip Browser Warning Header

Query · suricata

flow:established,to_server;
http.header;
content:"ngrok-skip-browser-warning|3a 20|"; fast_pattern;
target:src_ip;
Raw source ET INFO NGrok Skip Browser Warning Header · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET INFO NGrok Skip Browser Warning Header";
    flow:established,to_server;
    http.header;
    content:"ngrok-skip-browser-warning|3a 20|"; fast_pattern;
    reference:url,ngrok.com/docs/traffic-policy/actions/add-headers;
    classtype:misc-activity;
    sid:2071232; rev:1;
    metadata:affected_product Any, attack_target Client_and_Server, tls_state TLSDecrypt, created_at 2026_07_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2026_07_20;
    target:src_ip;
)

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