* The kubelet API is now secured, only cluster admins are allowed to access it.
* Insecure access to the API Server over `localhost:8080` is now disabled.
* The control plane components now talk securely to each other. The API Server talks securely to the kubelets in the cluster.

import jcifs.CIFSException;
import jcifs.DialectVersion;

/**
 * Security configuration tests
 *
 * Verifies that default security settings are properly configured
 * according to SMB security best practices.
 */
@RunWith(JUnit4.class)
public class SecurityConfigurationTest {

    /**
     * Test that default security settings meet minimum security requirements
     */
    @Test

import java.net.Proxy
import java.net.ProxySelector
import java.net.Socket
import java.net.URI
import java.net.URL
import java.nio.charset.Charset
import java.security.KeyPair
import java.security.Principal
import java.security.cert.Certificate
import java.security.cert.X509Certificate
import javax.net.ServerSocketFactory
import javax.net.SocketFactory
import javax.net.ssl.HostnameVerifier
import javax.net.ssl.SSLSocket

import java.io.IOException
import java.security.KeyStore
import java.security.SecureRandom
import java.security.Security
import javax.net.ssl.KeyManagerFactory
import javax.net.ssl.KeyStoreBuilderParameters
import javax.net.ssl.SSLContext
import javax.net.ssl.X509ExtendedKeyManager
import javax.security.auth.callback.Callback
import javax.security.auth.callback.CallbackHandler
import javax.security.auth.callback.PasswordCallback

    if (!pathMatch(url, path)) return false

    return !secure || url.isHttps
  }

  override fun equals(other: Any?): Boolean =
    other is Cookie &&
      other.name == name &&
      other.value == value &&
      other.expiresAt == expiresAt &&
      other.domain == domain &&
      other.path == path &&
      other.secure == secure &&
      other.httpOnly == httpOnly &&

 * `COMPATIBLE_TLS` is a secure configuration that connects to secure–but not current–HTTPS servers.
 * `CLEARTEXT` is an insecure configuration that is used for `http://` URLs.

These loosely follow the model set in [Google Cloud Policies](https://cloud.google.com/load-balancing/docs/ssl-policies-concepts). We [track changes](../security/tls_configuration_history.md) to this policy.

    }

    /**
     * Determines whether the user identification cookie should be marked as secure.
     * Checks the configured secure setting or examines request headers to detect HTTPS.
     *
     * @return true if the cookie should be secure, false otherwise
     */
    protected boolean isSecureCookie() {
        if (cookieSecure != null) {
            return cookieSecure;

        response.connection
          .socket()
          .javaClass.name,
      ).isEqualTo(
        "sun.security.ssl.SSLSocketImpl",
      )
    }
  }

  @Test
  fun testSupportedProtocols() {
    val factory = SSLSocketFactory.getDefault()
    assertThat(factory.javaClass.name).isEqualTo("sun.security.ssl.SSLSocketFactoryImpl")
    val s = factory.createSocket() as SSLSocket

    when {

    /**
     * Checks if a property value should be masked for security reasons.
     *
     * @param key the property key to check
     * @return true if the value should be masked, false otherwise
     */
    protected static boolean isMaskedValue(final String key) {
        return "http.proxy.password".equals(key) //
                || "ldap.admin.security.credentials".equals(key) //

import java.math.BigInteger
import java.net.InetAddress
import java.security.GeneralSecurityException
import java.security.KeyFactory
import java.security.KeyPair
import java.security.KeyPairGenerator
import java.security.PrivateKey
import java.security.PublicKey
import java.security.SecureRandom
import java.security.Signature
import java.security.cert.X509Certificate
import java.security.interfaces.ECPublicKey