Error message

• Warning: file_get_contents(https://www.units.it/grafica-coordinata.json): failed to open stream: Connection refused in include() (linea 19 di sites/all/themes/units_dipartimento_rwd/templates/page.tpl.php).
• Warning: readfile(https://www.units.it/global/search.php): failed to open stream: Connection refused in include() (linea 209 di sites/all/themes/units_dipartimento_rwd/templates/page.tpl.php).