else -> verifyHostname(host, certificate)
    }

  /** Returns true if [certificate] matches [ipAddress]. */
  private fun verifyIpAddress(
    ipAddress: String,
    certificate: X509Certificate,
  ): Boolean {
    val canonicalIpAddress = ipAddress.toCanonicalHost()

    return getSubjectAltNames(certificate, ALT_IPA_NAME).any {
      canonicalIpAddress == it.toCanonicalHost()
    }
  }

    # port-forwarding is required for the container to detect it's running on GCE.
    export IP_ADDR=$(powershell -command "(Get-NetIPAddress -AddressFamily IPv4 -InterfaceAlias 'vEthernet (nat)').IPAddress")
    netsh interface portproxy add v4tov4 listenaddress=$IP_ADDR listenport=80 connectaddress=169.254.169.254 connectport=80
    # A local firewall rule for the container is added in
    # ci/official/utilities/setup_docker.sh.

  if [[ "$is_windows" == true ]]; then
    # Allow requests from the container.
    # Additional setup is contained in ci/official/envs/rbe.
    CONTAINER_IP_ADDR=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' tf)
    netsh advfirewall firewall add rule name="Allow Metadata Proxy" dir=in action=allow protocol=TCP localport=80 remoteip="$CONTAINER_IP_ADDR"

    # Stop non-essential indexing and link tracking services that

   *   directoryName                   [4]     Name,
   *   ediPartyName                    [5]     EDIPartyName,
   *   uniformResourceIdentifier       [6]     IA5String,
   *   iPAddress                       [7]     OCTET STRING,
   *   registeredID                    [8]     OBJECT IDENTIFIER
   * }
   * ```
   *

import dataclasses
import datetime
from collections import defaultdict, deque
from collections.abc import Callable
from decimal import Decimal
from enum import Enum
from ipaddress import (
    IPv4Address,
    IPv4Interface,
    IPv4Network,
    IPv6Address,
    IPv6Interface,
    IPv6Network,
)
from pathlib import Path, PurePath
from re import Pattern
from types import GeneratorType
from typing import Annotated, Any

        .Builder()
        .body("abc")
        .build(),
    )
    val ipAddress = InetAddress.getLoopbackAddress().hostAddress
    val call =
      client.newCallWithListener(
        Request
          .Builder()
          .url(
            server
              .url("/")
              .newBuilder()
              .host(ipAddress!!)
              .build(),
          ).build(),
      )