Network error IOException: Connection refused

سلام دوستان

من میخوام به sql database server که دارم connection بزنم ولی هر کار میکنم همین ارور رو میده حتی با localhost هم امتحان کردم بازم همین ارور رو میده لطفا راهنمایی کنید

 package com.app.hellboy.nursingreport;

import android.annotation.SuppressLint;
import android.os.StrictMode;
import android.util.Log;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.DriverManager;



public class ConnectionClass {
 String ip = "185.27.134.10";
 String classs = "net.sourceforge.jtds.jdbc.Driver";
 String db = "gigfa_22824925_Test";
 String un = "gigfa_22824925";
 String password = "19967100";

 @SuppressLint("NewApi")
 public Connection getConnection() {
 StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
 .permitAll().build();
 StrictMode.setThreadPolicy(policy);
 Connection conn = null;
 String ConnURL = null;
 try {
 Class.forName(classs);
 ConnURL = "jdbc:jtds:sqlserver://" + ip + ";"
 + "databaseName=" + db + ";user=" + un + ";password="
 + password + ";";
 conn = DriverManager.getConnection(ConnURL);
 } catch (SQLException se) {
 Log.e("ERRO1", se.getMessage());
 } catch (ClassNotFoundException e) {
 Log.e("ERRO1", e.getMessage());
 } catch (Exception e) {
 Log.e("ERRO1", e.getMessage());
 }
 return conn;
 }
}

public class LogInActivity extends AppCompatActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);
    
    EditText password = (EditText) findViewById(R.id.password);
    EditText personId = (EditText) findViewById(R.id.personId);
    Button enterButton = (Button) findViewById(R.id.enterButton);
    TextView passRecovery = (TextView) findViewById(R.id.passRecovery);
    TextView signIn = (TextView) findViewById(R.id.signIn);
    View image = (View) findViewById(R.id.image);

    requestForAccessToInternet();
    ConnectionClass conn = new ConnectionClass();
    conn.getConnection();
}
}