nixpkgs/nixos/modules/services/web-servers/trafficserver/ip_allow.json

{
  "ip_allow": [
    {
      "apply": "in",
      "ip_addrs": "127.0.0.1",
      "action": "allow",
      "methods": "ALL"
    },
    {
      "apply": "in",
      "ip_addrs": "::1",
      "action": "allow",
      "methods": "ALL"
    },
    {
      "apply": "in",
      "ip_addrs": "0/0",
      "action": "deny",
      "methods": [
        "PURGE",
        "PUSH",
        "DELETE"
      ]
    },
    {
      "apply": "in",
      "ip_addrs": "::/0",
      "action": "deny",
      "methods": [
        "PURGE",
        "PUSH",
        "DELETE"
      ]
    }
  ]
}