[squid-users] TCP_MISS/304 question

[Yuri Voinov]

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13.10.2016 19:41, Amos Jeffries пишет:
> On 14/10/2016 1:38 a.m., Yuri Voinov wrote:
>>
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>> Hi gents.
>>
>> I have very stupid question.
>>
>> Look at this access.log entry:
>>
>> 1476236018.506     85 192.168.100.103 TCP_MISS/304 354 GET
>> https://www.gazeta.ru/nm2015/gzt/img/logo_footer.png -
>> HIER_DIRECT/81.19.72.2 -
>>
>> I'm see this:
>>
>> http://wiki.squid-cache.org/SquidFaq/SquidLogs#HTTP_status_codes
>>
>> Code 304 references to RFC 2616. Ok, opens it:
>>
>> https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
>>
>
> The reference is outdated. Current requirements are defined in
> <https://tools.ietf.org/html/rfc7232#section-4.1>
>
> ...
>>
>> According to RFC 2616, it comes from client's browser cache, make
>> revalidation, discover content no changed and return 304 code.
>>
>> So, it must means (exactly) CLIENT_HIT, right?
>>
>
> No. Squid does not receive transactions that would match the meaning of
> the tags CLIENT_HIT.
Ok.
>
>
>
>> My question is:
>>
>> *Why Squid register this as TCP_MISS/304 in access.log, when logically
>> expect TCP_CLIENT_HIT/304?*
>
> This is a MISS on the Squid cache. A 304 from the server delivered to
> the client.
Ok, 304 delivered. But content - not, right? So, this is HIT - even not
Squid's hit, yes?
>
>
> It might be a CLIENT_IMS_UNMODIFIED or CLIENT_INM_UNMODIFIED if Squid
> had codes for those cases.
Ok, Squid has?
>
>
> Amos
>
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