Hello,

I had many troubles getting the upgrade through a caching proxy on
which I've no control.
When running sage -upgrade, the proxy didn't let me getting the latest
versions, which made troubles with the critical files:
http://www.sagemath.org/packages/standard/list
http://www.sagemath.org/packages/standard/deps
http://www.sagemath.org/packages/standard/newest_version
http://www.sagemath.org/packages/standard/README
http://www.sagemath.org/packages/install

I could get around by providing manually the files and skipping the
download in local/bin/sage-update

But would it be possible to add some anti-caching headers to the
official sage server for those files?
It'd help a lot all people like me with a sage install behind caching
proxy.
Sth like:
 Expires: Mon, 26 Jul 1997 05:00:00 GMT"
 Cache-Control: no-store, no-cache, must-revalidate"
 Cache-Control: post-check=0, pre-check=0", false
 Pragma: no-cache

Phil

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