Cookies being sent back with a cached response

[Cosimo Streppone]

Rob wrote:

> I'd suggest you add the varnish ID in the Apache log files (or similar),  
> then wait for a user to report the problem.

That's interesting.
I didn't think of cross-referencing apache logs.

> work out what their user id should be, find their access in the varnish  
> logs, and play back the log file to see the back end request.

Are you referring to the varnishlog output, or the varnishncsa output?
What's the common practice? Archiving varnishlog or varnishncsa (or
something else) output?

> You'll end up kicking yourself once you find the problem....  we  
> certainly have on occasion.

I hope so :)
Thanks for your ideas.

-- 
Cosimo