* Windows command prompt you can see
 * what names a host registers with the nbtstat command.
 *
 *  * <blockquote>
 *
 * <pre>
 * C:\&gt;nbtstat -a 192.168.1.15
 *
 *        NetBIOS Remote Machine Name Table
 *
 *    Name               Type         Status
 * ---------------------------------------------
 * JMORRIS2        &lt;00&gt;  UNIQUE      Registered
 * BILLING-NY      &lt;00&gt;  GROUP       Registered

   * want to accept ASCII digits only, you can use something like {@code
   * CharMatcher.ascii().matchesAllOf(ipString)}.
   *
   * <p>The scope ID is validated against the interfaces on the machine, which requires permissions
   * under Android.
   *
   * <p><b>Android users on API >= 29:</b> Prefer {@code InetAddresses.parseNumericAddress}.
   *

     * authentication.
     */
    int NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED = 0x00002000;

    /**
     * Sent by the server to indicate that the server and client are
     * on the same machine. This implies that the server will include
     * a local security context handle in the Type 2 message, for
     * use in local authentication.
     */
    int NTLMSSP_NEGOTIATE_LOCAL_CALL = 0x00004000;

    /**

   * want to accept ASCII digits only, you can use something like {@code
   * CharMatcher.ascii().matchesAllOf(ipString)}.
   *
   * <p>The scope ID is validated against the interfaces on the machine, which requires permissions
   * under Android.
   *
   * <p><b>Android users on API >= 29:</b> Prefer {@code InetAddresses.parseNumericAddress}.
   *

     */
    Address getByName(String hostname, boolean possibleNTDomainOrWorkgroup) throws UnknownHostException;

    /**
     * Determines the address of a host given it's host name. The name can be a
     * machine name like "jcifs.samba.org", or an IP address like "192.168.1.15".
     *
     * @param hostname
     *            NetBIOS or DNS hostname to resolve
     * @return the found address

 *
 * By orchestrating two different servers with the same port but different IP addresses, we can
 * test what OkHttp does when both are reachable, or if only one is reachable.
 *
 * This test only runs on host machines that have both IPv4 and IPv6 addresses for localhost.
 */
@Timeout(30)
class FastFallbackTest {
  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  companion object {
    /**
     * A network that resolves only one IP address per host. Use this when testing route selection
     * fallbacks to prevent the host machine's various IP addresses from interfering.
     */
    private val SINGLE_INET_ADDRESS_DNS =
      Dns { hostname ->
        val addresses = Dns.SYSTEM.lookup(hostname)
        listOf(addresses[0])
      }

    * authentication.
    */
    int NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED = 0x00002000;

    /**
    * Sent by the server to indicate that the server and client are
    * on the same machine.  This implies that the server will include
    * a local security context handle in the Type 2 message, for
    * use in local authentication.
    */
    int NTLMSSP_NEGOTIATE_LOCAL_CALL = 0x00004000;

    /**

of these things:

    a) Accompany the work with the complete corresponding
    machine-readable source code for the Library including whatever
    changes were used in the work (which must be distributed under
    Sections 1 and 2 above); and, if the work is an executable linked
    with the Library, with the complete machine-readable "work that
    uses the Library", as object code and/or source code, so that the

        // Then
        byte[] guid = request.getClientGuid();
        assertNotNull(guid);
        assertEquals(16, guid.length);
        // Should be zeros (not set from machine ID)
        for (byte b : guid) {
            assertEquals(0, b);
        }
    }

    @Test
    @DisplayName("Should add negotiate contexts for SMB 3.1.1")
    void testNegotiateContextsSmb311() {