Varnish 3.0.1 Backend conditional requests

[Tollef Fog Heen]

]] Сергей Ямщиков 

> 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
> https://www.varnish-cache.org/trac/wiki/BackendConditionalRequests
> throw exception in "*.vcl" file when compile.

As it says on that wiki page: it's a proposed feature, it's not yet
incorporated.

-- 
Tollef Fog Heen
Technical lead, Varnish Software
t: +47 21 98 92 64