nginx not returning updated headers from origin server on conditional GET

Maxim Dounin mdounin at
Wed Sep 14 15:12:57 UTC 2016


On Wed, Sep 14, 2016 at 02:19:25AM -0400, jchannon wrote:

> NGINX authors might want to read this thread. Essentially Mark is saying
> that this is a bug

The fact that headers are not merged is one of the main reasons 
why proxy_cache_revalidate is not switched on by default.

As for the headers specifically mentioned in this thread:

- nginx do update Date header (actually, this is the only header 

- nginx do not support Age header at all, see

Maxim Dounin

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