o que pode ser este erro ?

[guilherme014 0]

Warning: file() [function.file]: URL file-access is disabled in theserver configuration in /home/netsoft/public_html/correios/index.php on line 4Warning: file(http://www.correios.com.br/encomendas/precos/calculo.cfm?resposta=paginaCorreios&servico=40010&cepOrigem=30860100&cepDestino=30380090&peso=0.3&MaoPropria=N&valorDeclarado=&avisoRecebimento=N) [function.file]: failed toopen stream: no suitable wrapper could be found in /home/netsoft/public_html/correios/index.php on line 4Warning: implode() [function.implode]: Bad arguments. in /home/netsoft/public_html/correios/index.php on line 4

sera que e no meu servidor, porque em localhost funciona ?

[guilherme014 0]

arrumado