Varnish 3.0.1 Backend conditional requests

Hugo Cisneiros (Eitch) hugo.cisneiros at
Fri Jan 6 15:52:19 CET 2012

2012/1/6 Tollef Fog Heen <tfheen at>:
>> Hello. How to enable Backend conditional requests (If-None-Match and
>> If-Modified-Since) for the Varnish 3.0.1. Now it doesn't send to me
>> headers (If-None-Match and If-Modified-Since) when max-age=0 or
>> expired, on first response i set ETag and Last-Modified headers. Subs
>> and stale_obj from
>> throw exception in "*.vcl" file when compile.
> As it says on that wiki page: it's a proposed feature, it's not yet
> incorporated.

By the way, I have tested the experimental-ims branch which contains
the feature and it's working nice! :)


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