test="${data.hostname==null||data.hostname==''}">
                                                            <la:message key="labels.webauth_any"/>
                                                        </c:if> ${f:h(data.hostname)}: <c:if
                                                                test="${data.port==null||data.port==''}">

 * fallbacks to guarantee that a fallback address is available.
 */
class DoubleInetAddressDns : Dns {
  override fun lookup(hostname: String): List<InetAddress> {
    val addresses = Dns.SYSTEM.lookup(hostname)
    return listOf(addresses[0], addresses[0])
  }

        // Test getHostName when hostname is known
        mockName = new Name(mockConfig, "KNOWNHOST", 0x20, null);
        NbtAddress nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);
        assertEquals("KNOWNHOST", nbtAddress.getHostName());
    }

    @Test
    void testGetHostName_UnknownHost() {
        // Test getHostName when hostname is unknown, should return IP address

    }

    public void test_resolve_hostname() throws UnknownHostException {
        IdnDnsResolver resolver = new IdnDnsResolver();

        // Test localhost hostname
        String host = "localhost";
        InetAddress[] addresses = resolver.resolve(host);
        assertNotNull(addresses);
        assertTrue(addresses.length > 0);
    }

```kotlin
val client = OkHttpClient.Builder()
    .dns { hostname -> InetAddress.getAllByName(hostname).toList() }
    .build()
```

Kotlin calling OkHttp 4.x:

```kotlin
val client = OkHttpClient.Builder()
    .dns(object : Dns {
      override fun lookup(hostname: String) =
          InetAddress.getAllByName(hostname).toList()
    })
    .build()
```

    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.
    if (matchesSocket(sslSocket)) {
      try {
        // Enable session tickets.
        setUseSessionTickets.invoke(sslSocket, true)

        // Assume platform support on 24+
        if (hostname != null && Build.VERSION.SDK_INT <= 23) {

    throw UnsupportedOperationException(
      "clientBuilder.sslSocketFactory(SSLSocketFactory) not supported with OpenJSSE",
    )

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<@JvmSuppressWildcards Protocol>,
  ) {
    if (sslSocket is org.openjsse.javax.net.ssl.SSLSocket) {
      val sslParameters = sslSocket.sslParameters

            final int localPort, final String hostName, final boolean nonPooled) {
        return getSmbTransport(tc, address, port, localAddr, localPort, hostName, nonPooled, false);
    }

    @Override
    public SmbTransportImpl getSmbTransport(final CIFSContext tc, final Address address, int port, final InetAddress localAddr,
            final int localPort, final String hostName, final boolean nonPooled, final boolean forceSigning) {

    val clientCertificates =
      HandshakeCertificates
        .Builder()
        .apply {
          if (Build.VERSION.SDK_INT >= 24) {
            addInsecureHost(server.hostName)
          }
        }.build()

    client =
      client
        .newBuilder()
        .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager)
        .build()

                                        <th style="width: 25%"><la:message
                                                key="labels.file_auth_hostname"/></th>
                                        <td>${f:h(hostname)}<la:hidden property="hostname"/></td>
                                    </tr>
                                    <tr>
                                        <th><la:message key="labels.file_auth_port"/></th>