I've moved from an apache/mod_proxy-based load balancer to zen, and so far
I really like it. One thing that I need to work out, in order to stay with
it, are our error pages. Under apache, being a web server unlike pound, we
served error pages from the load balancer via php. This allowed us to
embed within the page a section that would capture some variables
(referrer, backend app server, etc) and email to a dl.
So my question is - Can Zen be made to perform such a function? My
original thought was to send a metarefresh via the built-in error text to a
small nginx server on an alternate port, which would then run our php. But
I don't believe the variables we need would persist that redirect.
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