It's varnish 3.x config but you need to allow the CHOCOLATECHIP cookie to pass through or you'll constantly receive the bakery/login access denied error.
Here's an example VCL that I put together that bypasses requests that have Bakery cookies in them.
https://github.com/elmsln/elmsln/blob/master/scripts/server/varnish.txt
Might be nice to throw a notice in the README.txt about Bakery needing to be specifically accounted for in Varnish VCL config
Closed: outdated
2.0
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