{
  // F5 BIG-IP LTM iRule + ASM parser — OCSF v1.3.0
  attributes: {
    "metadata.version":             "1.3.0",
    "metadata.product.vendor_name": "F5",
    "metadata.product.name":        "BIG-IP LTM",
    "metadata.log_provider":        "syslog",
    "Category":               "network",
    "dataSource.vendor":      "F5",
    "dataSource.name":        "BIG-IP LTM",
    "dataSource.category":    "load-balancer",
    "category_uid":           4,
    "category_name":          "Network Activity",
    "class_uid":              4002,
    "class_name":             "HTTP Activity",
    "activity_id":            1,
    "type_uid":               400201,
    "status_id":              1,
    "severity_id":            1
  },

  patterns: {
    ipv4: "\\d+\\.\\d+\\.\\d+\\.\\d+",
    word: "\\S+",
    untilSpace: "[^ ]+",
    untilC:     "[^\\n]*?",
    rest: ".*"
  },

  formats: [
    // BLOCKED iRule WAF event → Detection Finding (CRITICAL)
    {
      id: "f5_blocked",
      attributes: {
        class_uid: 2004, class_name: "Detection Finding",
        category_uid: 2, category_name: "Findings",
        type_uid: 200401,
        finding_title: "F5 BIG-IP WAF Block",
        severity_id: 5, severity: "Critical",
        disposition_id: 2, disposition: "Blocked"
      },
      format: ".*BLOCKED.*Client $src_ip=ipv4$:$src_port=word$.*",
      halt: true
    },

    // SSL handshake failed → Detection Finding (MEDIUM)
    {
      id: "f5_ssl_fail",
      attributes: {
        class_uid: 2004, class_name: "Detection Finding",
        category_uid: 2, category_name: "Findings",
        type_uid: 200401,
        finding_title: "F5 SSL Handshake Failure",
        severity_id: 3, severity: "Medium"
      },
      format: ".*SSL Handshake failed for TCP $src_ip=ipv4$:$src_port=word$.*",
      halt: true
    },

    // ASM violation (key=value style)
    {
      id: "f5_asm_violation",
      attributes: {
        class_uid: 2004, class_name: "Detection Finding",
        category_uid: 2, category_name: "Findings",
        type_uid: 200401,
        finding_title: "F5 ASM Web Application Attack",
        severity_id: 5, severity: "Critical",
        disposition_id: 2, disposition: "Blocked"
      },
      format: ".*ASM:.*ip_client=\"$src_ip=ipv4$\".*",
      halt: true
    },

    // Standard HTTP request (informational)
    {
      id: "f5_http",
      attributes: {
        class_uid: 4002, class_name: "HTTP Activity",
        type_uid: 400201
      },
      format: ".*Client $src_ip=ipv4$:$src_port=word$ -> VIP $vip_ip=ipv4$:$vip_port=word$.*",
      halt: true
    }
  ]
}