LostHeader in Varnish 3.0.0

[Gil Hildebrand]

Why thank you Lee! That was exactly what I needed.

On Tue, Jul 5, 2011 at 5:44 PM, Lee Trout <lee at leetrout.com> wrote:

> Great question!
>
> Just solved this problem this week...  The docs are horribly outdated /
> missing info :(
>
> You need to use runtime parameters.  For example, to allow 20k headers
> (default is 2k) use the following params when you start varnish:
>
> -p http_req_hdr_len=20000 -p http_resp_hdr_len=20000
>
> Lee
>
> On Tue, Jul 5, 2011 at 7:14 PM, Gil Hildebrand <gilhildebrand at gmail.com>wrote:
>
>> I am testing upgrade from Varnish 2.0 to 3.0.
>>
>> In some cases, because of our advertising and analytics partners, cookies
>> can be excessively long. This appears to be a problem in Varnish 3.0, as I
>> get a 400 Bad Request response. When I look at varnishlog, I see a
>> LostHeader for the Cookie header.
>>
>> I found some history on similar issues:
>>
>> http://comments.gmane.org/gmane.comp.web.varnish.misc/3236
>> https://www.varnish-cache.org/trac/ticket/455
>>
>> https://www.varnish-cache.org/lists/pipermail/varnish-commit/2009-April/004227.html
>>
>> Initially I installed Varnish via rpm, so I downloaded the source to see
>> if I could fix the problem via patch and compile. Unfortunately, I could not
>> find HTTP_HDR_MAX_VAL anywhere in the source. Was it removed? Is there
>> now a better way to increase the max number of headers?
>>
>> _______________________________________________
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>> varnish-misc at varnish-cache.org
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>>
>
>
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