On Thu, Jan 04, 2007 at 11:37:43AM +0530, kuriakose wrote:
> One solution is to get the modification time of file in server and compare
> with the creation time of file partially downloaded.

In addition to this, check whether the "Etag" header of the two requests
matches. However, not all servers send this.

There's no 100% perfect way to achieve this. Apache theoretically supports
the generation of a "Content-MD5" header, but nobody enables it because it
implies a serious performance hit.

Cheers,

  Richard

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