*/

package jcifs.dcerpc.msrpc;

/**
 * MSRPC implementation for connecting to the SAM service (version 4).
 * This class provides functionality to establish a connection to the
 * Security Account Manager (SAM) database using the SAMR RPC interface version 4.
 */
public class MsrpcSamrConnect4 extends samr.SamrConnect4 {

    /**

 */

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for connecting to the SAM service.
 * This class provides functionality to establish a connection to the
 * Security Account Manager (SAM) database using the SAMR RPC interface.
 */
public class MsrpcSamrConnect2 extends samr.SamrConnect2 {

    /**

            }

            // Reconnect
            channel.setState(ChannelState.CONNECTING);
            // Connection would be ensured through proper transport interface

            // Re-establish channel binding
            manager.performChannelBinding(channel);

            // Update channel with new transport
            channel.setTransport(newTransport);

    /** Not listening for the calling name */
    public static final int NOT_LISTENING_CALLING = 0x81;
    /** Called name not present */
    public static final int CALLED_NOT_PRESENT = 0x82;
    /** Insufficient resources to establish session */
    public static final int NO_RESOURCES = 0x83;
    /** Unspecified session service error */
    public static final int UNSPECIFIED = 0x8F;

    /** The NetBIOS error class */
    public int errorClass;

                channel.getTransport().close();
            }
        } catch (Exception e) {
            log.debug("Error disconnecting removed channel", e);
        }
    }

    /**
     * Establish a replacement channel
     */
    public void establishReplacementChannel() {
        if (!multiChannelEnabled)
            return;

        try {
            int currentChannels = channels.size();

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.dcerpc.msrpc;

/**
 * MSRPC implementation for connecting to the SAM service.
 * This class provides functionality to establish a connection to the
 * Security Account Manager (SAM) database using the SAMR RPC interface.
 */
public class MsrpcSamrConnect2 extends samr.SamrConnect2 {

    /**

 */

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for connecting to the SAM service (version 4).
 * This class provides functionality to establish a connection to the
 * Security Account Manager (SAM) database using the SAMR RPC interface version 4.
 */
public class MsrpcSamrConnect4 extends samr.SamrConnect4 {

    /**

                log.info("RDMA connection established to {}", delegate.getRemoteAddress());
            } catch (IOException e) {
                log.warn("Failed to establish RDMA connection: {}", e.getMessage());
                throw e;
            }
        }
    }

    /**
     * Checks if RDMA connection is available.
     *
     * @return true if RDMA connection is active

The first part of the communication is just to establish the connection between the client and the server and to decide the cryptographic keys they will use, etc.

<img src="/img/deployment/https/https02.drawio.svg">

This interaction between the client and the server to establish the TLS connection is called the **TLS handshake**.

### TLS with SNI Extension { #tls-with-sni-extension }

import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Session Setup request message. This command is used to establish a security session
 * and authenticate a user to the server.
 *
 * @author mbechler
 *
 */
public class Smb2SessionSetupRequest extends ServerMessageBlock2Request<Smb2SessionSetupResponse> {