Setting a region cookie

Andrei lagged at gmail.com
Fri Mar 10 10:53:12 CET 2017


So by copying the cloudflare/google analytics cookies for example to a
custom header before stripping them for a possible cache hit, we can later
add it back to the client response cookies? Is it even worth bothering for?
I strip all cloudflare/google analytics cookies and haven't had any
complaints yet. Just wondering what the use case might be.

On Thu, Mar 9, 2017 at 5:40 AM, Nicolas Delmas <colas.delmas at gmail.com>
wrote:

> Hi,
>
> Be careful the method in the link given by Michael doesn't work.
> To set a cookie, you must use the vmod header.
>
> And in the subroutines *vcl_deliver* you must add sotmehting like this
> (just change the name of the cookie and the value)
>
> header.append(resp.http.Set-Cookie, "VarnishCache="+resp.http.X-
>> Cache+"path:/");
>
>
>
> Because using the set resp.http.Set-Cookie = overwrite all Cookie written
> by the backend.
>
>
> I just implement this method in my website to get Analytics stats of my
> Varnish
>
>
> *Nicolas Delmas*
> http://tutoandco.colas-delmas.fr/ <colas.delmas at gmail.com>
>
>
>
>
>
>
>
> 2017-03-08 23:13 GMT+01:00 Michael Loftis <mloftis at wgops.com>:
>
>> You're setting it in the wrong place/way.  To set a cookie in the
>> browser you must set it in the response sent to the browser inside of
>> say vcl_deliver.  There's no variables so if you need to propogate
>> data from e/g vcl_recv you can set an "internal" header on the
>> req....see say https://www.fastly.com/blog/vcl-cookie-monster for an
>> example.
>>
>> On Wed, Mar 8, 2017 at 1:38 PM, Mike Alberghini <MAlberghini at habitat.org>
>> wrote:
>> > We’re trying to get a varnish setup running that sets a regional cookie.
>> > I’m having some troubles getting it to work, so any advice will be
>> > appreciated.
>> >
>> > We’re running Drupal 8 and Varnish 4.1.5 with the geoip2 vmod.  IP
>> > Geolocation is working fine, and our X-GeoIP headers are being set
>> > correctly.  What I would like to do is have varnish set a "country”
>> cookie
>> > when requests to our home page come in.  I’ve got it manipulating the
>> > req.http.Cookie header, but it does not seem to be actually setting a
>> cookie
>> > in the browser.  Any suggestions?
>> >
>> > --
>> >
>> > Mike Alberghini
>> >
>> > Software Developer, Habitat for Humanity International
>> >
>> > 270 Peachtree Street NW, Suite 1300, Atlanta, GA 30303
>> >
>> > office phone: (404) 420-6751
>> >
>> > malberghini at habitat.org · habitat.org | Habitat. We build.
>> >
>> >
>> > _______________________________________________
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>> > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>
>>
>>
>> --
>>
>> "Genius might be described as a supreme capacity for getting its
>> possessors
>> into trouble of all kinds."
>> -- Samuel Butler
>>
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>
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