I'm trying to set some headers on the backend request, and it's not working.
STRING, can be read,
but when I try to set a bereq,http header in vcl_fetch, it doesn't seem to do anything. I have a fiddle set up at https://fiddle.fastlydemo.net/fiddle/1d8cc830 which sets req.http.x-req-header in vcl_recv, and bereq.http.x-bereq-header in vcl_fetch. But you can see that the bereq.http.x-bereq-header never seems to get set. What's up?
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