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Re: Weak validators in conditional requests

Eduard Bagdasaryan <eduard.bagdasaryan@measurement-factory.com> Tue, 04 September 2018 11:13 UTC

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To: ietf-http-wg@w3.org
From: Eduard Bagdasaryan <eduard.bagdasaryan@measurement-factory.com>
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Date: Tue, 04 Sep 2018 14:09:37 +0300
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Subject: Re: Weak validators in conditional requests
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Yes, it is stated there, but only about If-Match and If-None-Match
headers. What about If-Modified-Since, If-Unmodified-Since
and If-Range?


On 04.09.2018 05:01, Mark Nottingham wrote:
>> Could you please help with the following two questions:
>>
>> 1. The old RFC 2616 has a MUST requirement:
>>
>>> A cache or origin server receiving a conditional request, other than
>>> a full-body GET request, MUST use the strong comparison function to
>>> evaluate the condition.
>> But I have not found this (or equivalent) in HTTPbis. Is it deprecated?
> It's stated in the definition of each conditional header; see:
>    https://httpwg.org/specs/rfc7232.html#preconditions

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