> Am 09.04.2019 um 13:27 schrieb Eric Covener <cove...@gmail.com>:
>
> On Tue, Apr 9, 2019 at 6:31 AM Stefan Eissing
> <stefan.eiss...@greenbytes.de> wrote:
>>
>> I just did some tests with https://redbot.org/ (the site tester by Mark
>> Nottingham) against our server and it notifies of 2 things:
>>
>> 1. The "Keep-Alive" header is deprecated. I tried to "Header unset
>> Keep-Alive" but that has no effect. Seems to be added very late.
>> Do we have a way to suppress it?
>
> Doesn't look like it, maybe a good "help wanted" kind of task if
> anyone is lurking.
We rarely ever eat volunteers!
>> 2. Validation responses lose the "Vary" header from the unconditional
>> response. This happens on resources where mod_deflate is active.
>> The 200 response without any "if-modified-since" etc. carries "Vary:
>> Accept-Encoding" as it should.
>> The 304 response with "if-modified-since" has no "Vary" header.
>> The code in mod_deflate looks as if it tries to add it in any case, where
>> is it lost?
>
> bailing here, seems harmless if we add Vary to a 304 even when we
> don't know the original was long enough?
>
> [Tue Apr 09 07:26:12.183430 2019] [deflate:trace1] [pid 37010:tid
> 123145306648576] mod_deflate.c(590): [client 127.0.0.1:64941] Not
> compressing very small response of 0 bytes
Ah, nice!
Maybe if AP_STATUS_IS_HEADER_ONLY(r), the length check should not run?
> --
> Eric Covener
> cove...@gmail.com
