El (desconocido, al menos para mí) código de estado HTTP 407 es enviado al cliente cuando la petición que intentó no pudo ser completada debido a que un proxy requiere autenticación. Cuando este error se recibe, viene acompañado de un encabezado Proxy-Authenticate con información sobre cómo autenticarse.

Y ahora, ahí van los enlaces recopilados durante la semana pasada, que espero que os resulten interesantes. :-)

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