This isn't really Java networking. The first problem you have is that file: expects forward slashes only after the colon like file:/. Next, I think (and this I can't test right now I'm afraid) that you're better off using forward slashes for all of the slashes. Windows will translate it correctly.
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Joined: Aug 31, 2002
Thanks Scott. This was useful.
subject: java networking. Remote file's last modified date