patterns/waf_patterns/nginx/evaluation.conf

# Nginx WAF rules for EVALUATION
# Automatically generated from OWASP rules.
# Include this file in your server or location block.

map $request_uri $waf_block_evaluation {
    default 0;
    "~*@ge 3" 1;
    "~*@ge 2" 1;
    "~*@ge %{tx.inbound_anomaly_score_threshold}" 1;
    "~*@ge 4" 1;
    "~*@eq 1" 1;
    "~*@ge %{tx.outbound_anomaly_score_threshold}" 1;
    "~*@ge 1" 1;
}

if ($waf_block_evaluation) {
    return 403;
    # Log the blocked request (optional)
    # access_log /var/log/nginx/waf_blocked.log;
}