{
  "format": "buyproxies-node-local-compatibility-v1",
  "qualification_date_utc": "2026-10-14",
  "platform": "Windows",
  "versions": {
    "node": "24.17.0",
    "bundled_undici": "7.28.0",
    "imported_undici": "7.30.0",
    "axios": "1.20.0"
  },
  "controls": [
    {
      "id": "builtin-ok-http-1",
      "client": "builtin",
      "control": "ok",
      "target_scheme": "http",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-ok-https-2",
      "client": "builtin",
      "control": "ok",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-wrong-auth-https-3",
      "client": "builtin",
      "control": "wrong-auth",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-untrusted-tls-https-4",
      "client": "builtin",
      "control": "untrusted-tls",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-status403-https-5",
      "client": "builtin",
      "control": "status403",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-redirect-https-6",
      "client": "builtin",
      "control": "redirect",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-timeout-https-7",
      "client": "builtin",
      "control": "timeout",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-no-proxy-host-https-8",
      "client": "builtin",
      "control": "no-proxy-host",
      "target_scheme": "https",
      "observed_route": "direct",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-no-proxy-range-https-9",
      "client": "builtin",
      "control": "no-proxy-range",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-http-proxy-fallback-https-10",
      "client": "builtin",
      "control": "http-proxy-fallback",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-ok-http-11",
      "client": "undici",
      "control": "ok",
      "target_scheme": "http",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-ok-https-12",
      "client": "undici",
      "control": "ok",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-wrong-auth-https-13",
      "client": "undici",
      "control": "wrong-auth",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-untrusted-tls-https-14",
      "client": "undici",
      "control": "untrusted-tls",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-status403-https-15",
      "client": "undici",
      "control": "status403",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-redirect-https-16",
      "client": "undici",
      "control": "redirect",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-timeout-https-17",
      "client": "undici",
      "control": "timeout",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-no-proxy-host-https-18",
      "client": "undici",
      "control": "no-proxy-host",
      "target_scheme": "https",
      "observed_route": "direct",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-no-proxy-range-https-19",
      "client": "undici",
      "control": "no-proxy-range",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "undici-http-proxy-fallback-https-20",
      "client": "undici",
      "control": "http-proxy-fallback",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-flag-opt-in-https-29",
      "client": "builtin",
      "control": "flag-opt-in",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "builtin-no-opt-in-https-30",
      "client": "builtin",
      "control": "no-opt-in",
      "target_scheme": "https",
      "observed_route": "direct",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "native_http-no-proxy-range-http-31",
      "client": "native_http",
      "control": "no-proxy-range",
      "target_scheme": "http",
      "observed_route": "direct",
      "diagnostic_not_published_example": true,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "native_https-http-proxy-fallback-https-32",
      "client": "native_https",
      "control": "http-proxy-fallback",
      "target_scheme": "https",
      "observed_route": "direct",
      "diagnostic_not_published_example": true,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-ok-http-21",
      "client": "axios",
      "control": "ok",
      "target_scheme": "http",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-ok-https-22",
      "client": "axios",
      "control": "ok",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-wrong-auth-https-23",
      "client": "axios",
      "control": "wrong-auth",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-untrusted-tls-https-24",
      "client": "axios",
      "control": "untrusted-tls",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-status403-https-25",
      "client": "axios",
      "control": "status403",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-redirect-https-26",
      "client": "axios",
      "control": "redirect",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-timeout-https-27",
      "client": "axios",
      "control": "timeout",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 1,
      "synthetic_authentication_in_process_output": false
    },
    {
      "id": "axios-no-proxy-host-https-28",
      "client": "axios",
      "control": "no-proxy-host",
      "target_scheme": "https",
      "observed_route": "proxy",
      "diagnostic_not_published_example": false,
      "expected_behavior_observed": true,
      "process_exit": 0,
      "synthetic_authentication_in_process_output": false
    }
  ],
  "counts": {
    "builtin": 12,
    "undici": 10,
    "axios": 8,
    "native_http": 1,
    "native_https": 1
  },
  "published_request_controls": 30,
  "separate_native_agent_diagnostics": 2,
  "total_process_executions": 40,
  "original_axios_privacy_failures_preserved": 4,
  "corrected_axios_controls": 8,
  "corrected_axios_privacy_failures": 0,
  "published_example_sha256": [
    "1e260eb9ea9606dbf085364418029a7a7c7de33de85e9e67b022dd5761f6d025",
    "75ebe99ac7ad043e01652df6f0617aff12aa3119661cac42155d3b388ca5821b",
    "8da6dfd2ada0d1b364f10d85bab04fddf560f43f05137733b2e620a792167abf",
    "d26018ebeae8b58c5640d2f2ca704809c480f1349bfea82e3b98431f4370f5dc"
  ],
  "example_hash_basis": "Decoded published UTF-8 code block, native LF, no leading/trailing newline; startup commands are separate from the three request examples.",
  "source_receipt_sha256": {
    "original-runtime-results.json": "85566c35fcb26786227af0377ad4c4cee54b6288611c24d69211f6fd09447241",
    "corrected-axios-runtime-results.json": "65dc3c08d94e2bcc0c63e094e7e4ec34ad208359f42882afc3eacc2c0df0ff6d"
  },
  "method": "Non-forwarding loopback HTTP/HTTPS origins and authenticated HTTP proxy fixture; each client is a fresh child process. Only target expressions and dependency import resolution are substituted. JavaScript TCP destination guard; not an OS sandbox.",
  "tls": "Verification enabled with normal Node trust roots. Successful HTTPS child processes additionally trust an ephemeral fixture CA; untrusted-certificate controls omit it.",
  "timeouts": "Published 30000 ms timeouts unchanged and actually exercised for each request client.",
  "redaction": "No credentials, proxy endpoint identities, raw process output, headers, TLS keys or private filesystem paths in this supplement.",
  "limits": [
    "Controlled non-forwarding loopback fixture; no real proxy exits or service measurements.",
    "JavaScript TCP destination hook is not an OS sandbox.",
    "HTTP absolute-form fixture cannot prove credential stripping at a separate upstream hop.",
    "Windows runtime process environment/flag equivalence; Linux/macOS shell command syntax was not executed.",
    "No SOCKS/HTTPS proxy/Node22/other SDK/browser/physical-device/throughput qualification.",
    "Normal Node CA trust roots remain enabled. The fixture CA is added to every child except the untrusted-certificate control."
  ],
  "real_proxy_requests": 0,
  "real_ipify_requests": 0,
  "public_note": "https://buyproxies.org/nodejs-proxy-guide#runtime-verification-20261014",
  "historical_matrix_unchanged": true
}