admin_menu.module

<?php

function mymodule_menu() {
  $items = array();
  $items['admin/config/services/mymodule'] = array(
    'title' => 'title',
    'description' => 'description',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('mymodule_form'),
    'access arguments' => array('administer users'),
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}


function mymodule_form($form, &$form_state) {
  $form['form1'] = array(
    '#type' => 'textfield',
    '#title' => t('URL form'),
    '#required' => TRUE,
    '#default_value' => variable_get('form1'),
  );
  $form['form2'] = array(
    '#type' => 'textfield',
    '#title' => t('URL contraseña'),
    '#required' => TRUE,
    '#default_value' => variable_get('form2'),
  );
  return system_settings_form($form);

}
?>