Re: Weird issue with "H2Push" combined with FilesMatch

[Paul <stormy22@xxxxxxxxx>]

On 2023-10-24 13:17, Jose Stefan wrote:

Please don't top-post

> No, not that I am aware off. The push is only triggered by the 
> "H2PushResource" directive shown. Which I tried to showcase with the 
> 3^rd  test.
>
> Within fileA.php and fileB.php the stylesheet is loaded with this line:
> <link href="fileC.css" rel="stylesheet">
>
> A tag within the html content, and not a header.
>
> To perform my tests I'm mostly using the command line:
> nghttp -vn URL

  ^^^^^^
What version of Apache / httpd? What server system / version?  I 
personally had never heard of Nghttp, and their website appears to have 
last been updated in 2015. (<https://nghttp2.org/>)


> But to remove PHP from the equation. I've now peformed the following test.
>
>  1. saved the generated content as a static fileA.html
>  2. changed to this line: <Files "fileA.html">
>
> And after the test I still get the push.
>
> --Jose Stefan
>
> ------------------------------------------------------------------------
> *From:* Paul <stormy22@xxxxxxxxx>
> *Sent:* Tuesday, October 24, 2023 12:55 PM
> *To:* users@xxxxxxxxxxxxxxxx <users@xxxxxxxxxxxxxxxx>
> *Subject:* Re:  Weird issue with "H2Push" combined with 
> FilesMatch
> On 2023-10-24 11:31, Jose Stefan wrote:
> > Hello,
> >
> > I have a weird issue while using "H2Push". I'm turning it off, but 
> > depending where it's nested it doesn't work as expected. Subset of 
> > config shown at the end. I'm using version: 2.4.52-1ubuntu4.6 on Ubuntu 
> > 22.04 LTS.
> >
> > With the code as presented, it still triggers a push for "fileC.css". I 
> > expect NO push to happen as it is turned off before 
> > the"H2PushResource..." line.
>
> Quick question, not a solution.  Does you php (or other static
> environment) have any 'rel=preload'?
> > Here's where I'm confused. I've performed the following individual tests:
> >
> >    * If I use the "H2Push off" outside of the FilesMatch (and comment the
> >      one inside), The push doesn't happen.
> >    *
> >      If I use both "H2Push off" and "H2PushResource..." outside of the
> >      FilesMatch (and comment the ones inside), The push doesn't happen.
> >    * If I comment out the "H2PushResource..." inside the FilesMatch, the
> >      push doesn't happen. Therefore, I know the config is hitting that part.
> >
> > It's only when both lines are inside the FilesMatch that I don't get the 
> > expected results. Yet the context for h2push reads:
> > Context: server config, virtual host, directory, .htaccess
> >
> > The plan, eventually, is to enable just the early hints and not the 
> > push. But I haven't even gotten to testing that part yet. My version of 
> > httpd doesn't support "H2EarlyHint".
> >
> > Subset of the config:
> > ----------
> > H2Push on
> > ...
> > <IfModule mod_ssl.c>
> >       <VirtualHost *:443>
> >             ...
> >             <IfModule http2_module>
> >                   #H2EarlyHints on
> >                   #H2Push off
> >                   #H2PushResource /fileC.css
> >                   <FilesMatch "^(fileA|fileB)\.php$">
> >                         H2Push off
> >                         H2PushResource /fileC.css
> >                         #H2EarlyHint ... Available in version 2.4.58 and 
> > later.
> >                   </FilesMatch>
> >             </IfModule>
> >             ...
> >       </VirtualHost>
> > </IfModule>...
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx
> For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx
For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx