dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_2instanceTx() throws Exception {
        final CrawlerWebServer server1 = new CrawlerWebServer(7070);
        server1.start();
        final CrawlerWebServer server2 = new CrawlerWebServer(7071);
        server2.start();

        final String url1 = "http://localhost:7070/";

        // Arrange: two valid entries
        setupParentForUrlCreation();
        StubFileEntry e1 = new StubFileEntry("SERVER1", SmbConstants.TYPE_SERVER);
        StubFileEntry e2 = new StubFileEntry("SERVER2", SmbConstants.TYPE_SERVER);
        when(delegate.hasNext()).thenReturn(true, true, false);
        when(delegate.next()).thenReturn(e1, e2);

/**
 * SMB1 NetServerEnum2 request message for enumerating network servers in a domain or workgroup.
 * This class implements the SMB1 transaction to query for available servers, supporting various
 * server types and filtering options for network browsing functionality.
 */
public class NetServerEnum2 extends SmbComTransaction {

    /**
     * Server type filter for all servers
     */
    public static final int SV_TYPE_ALL = 0xFFFFFFFF;

/**
 * Container for SMB server negotiation data.
 * This class holds the server capabilities, configuration, and security
 * parameters received during SMB protocol negotiation.
 *
 * Stores server-specific data obtained during SMB1 protocol negotiation.
 */
public class ServerData {

    /**
     * Default constructor for ServerData.
     * Creates an empty server data container to be populated during SMB negotiation.

 * clustered file server environments.
 */
public enum WitnessServiceType {
    /**
     * Cluster-aware witness service for general cluster resources
     */
    CLUSTER_WITNESS,

    /**
     * Individual file server witness for standalone servers
     */
    FILE_SERVER_WITNESS,

    /**
     * Scale-out file server witness for scale-out deployments
     */

    private int securityMode;
    private int dialect;

    /**
     * Gets the server capabilities
     *
     * @return the capabilities flags from the server
     */
    public int getCapabilities() {
        return this.capabilities;
    }

    /**
     * Gets the server GUID
     *
     * @return the server's unique identifier
     */
    public byte[] getServerGuid() {
        return this.serverGuid;

     * specified for this filter. The wildcard has no influence on this
     * method as the server should have performed that filtering already. The
     * attributes are asserted here only because server file systems may not
     * support filtering by all attributes (e.g. even though ATTR_DIRECTORY was
     * specified the server may still return objects that are not directories).
     */
    @Override

     * specified for this filter. The wildcard has no influence on this
     * method as the server should have performed that filtering already. The
     * attributes are asserted here only because server file systems may not
     * support filtering by all attributes (e.g. even though ATTR_DIRECTORY was
     * specified the server may still return objects that are not directories).
     */
    @Override

- **SMB1/CIFS**: Legacy support via `jcifs.smb1/` package
- **SMB 2.0.2**: Windows Vista+ (0x0202)
- **SMB 2.1**: Windows 7/Server 2008R2 (0x0210)
- **SMB 3.0**: Windows 8/Server 2012 (0x0300) - AES-128-CCM encryption
- **SMB 3.0.2**: Windows 8.1/Server 2012R2 (0x0302) - Enhanced encryption
- **SMB 3.1.1**: Windows 10/Server 2016+ (0x0311) - AES-128-GCM + Pre-Auth Integrity

**Protocol Selection:**
- Default Range: SMB1 to SMB 3.1.1

    /**
     * Gets the SMB dialect version selected by the server.
     *
     * @return selected dialect
     */
    DialectVersion getSelectedDialect();

    /**
     * Checks whether the server has SMB message signing enabled.
     *
     * @return whether the server has signing enabled
     */
    boolean isSigningEnabled();

    /**
     * Checks whether the server requires SMB message signing.
     *