URL rewrite

[Gsm Lock]

Hi!
I have a few backend servers . Static documents on servers has ugly addresses as http://my-next-back.end/111../785643../blabla/.../myXXXX.doc (mostly unstructured).
Some of them has not unique names.
I need them to be accessible  from frontend as http://myfront.end/something/my-new-named.doc  
There are a few thousands of documents... How can I (when I do) configure Varnish for this ?
Thanks.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.varnish-cache.org/lists/pipermail/varnish-misc/attachments/20080310/637fe771/attachment-0001.html>