Re: H2 Implementation Debug State URI

Cory Benfield <cory@lukasa.co.uk> Tue, 09 August 2016 09:55 UTC

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From: Cory Benfield <cory@lukasa.co.uk>
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Date: Tue, 09 Aug 2016 10:50:30 +0100
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Subject: Re: H2 Implementation Debug State URI
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> On 8 Aug 2016, at 20:45, Alex Rousskov <rousskov@measurement-factory.com> wrote:
> 
> On 08/06/2016 10:33 AM, Cory Benfield wrote:
> 
>> This was discussed, but was discarded in part because many proxies do not respect that header. 
> 
> I do not understand that reasoning: Surely those proxies that add
> support for the new feature (debugging URI) can be required to support
> Max-Forwards, at least in the context of that feature. Is it really
> better to add Max-Forwards-2 or require response body adaptations?

The problem is not those proxies that add support for the feature: the problem is those that *don’t*. For those that don’t add support, they blindly forward the request on, running the risk of information leakage and invalid/incorrect responses.