{
  "id": "C019",
  "synthetic": true,
  "checked_at": "2026-10-24",
  "input": {
    "trusted": [
      "10.0.0.0/8",
      "2001:db8:ffff::/48"
    ],
    "vectors": [
      {
        "peer": "198.51.100.8",
        "xff": "203.0.113.7"
      },
      {
        "peer": "10.0.0.2",
        "xff": "203.0.113.7, 10.0.0.1"
      },
      {
        "peer": "10.0.0.2",
        "xff": "203.0.113.7, 198.51.100.9"
      },
      {
        "peer": "2001:db8:ffff::2",
        "xff": "2001:db8:1::5"
      },
      {
        "peer": "10.0.0.2",
        "xff": "bad"
      }
    ],
    "expected": [
      "198.51.100.8",
      "203.0.113.7",
      "198.51.100.9",
      "2001:db8:1::5",
      "10.0.0.2"
    ]
  }
}