Re: http header encoding for proxy

On 10/21/25 4:45 PM, Matt Zagrabelny wrote:
> Greetings Apache Users,
> 
> I'm using apache (2.4.65) to reverse proxy an application being served 
> locally out of port 8096. All has been great for the past 2 or 3 years.
> 
> Things were going well until a recent major upgrade to the application.
> 
> After the upgrade, icons (SVG?) that used to render like:
> 
> hamburger menu
> magnifying glass
> etc.
> 
> now render as:
> 
> number 1 with a circumflex on top
> number 1 with a circumflex on top, cents sign, and a pilcrow (backwards 
> paragraph symbol)
> etc.
> 
> I can't tell from the devtools what HTML is being used for the icons - 
> maybe a JS library is manipulating the DOM? Not sure.
> 
> When I browse to the upgraded application without the reverse proxy 
> (apache), the icons appear as expected. Thus, I'm guessing the issue is 
> perhaps some new HTTP header encoding code - but I'm out of my depth 
> with respect to apache's reverse proxy configuration knobs and what to 
> look for regarding any sort of encoding directives.

I'm far from an expert on this stuff, but this might be a content type
issue.  Either the proxy is telling the application server that the
browser won't accept an SVG or the proxy is telling the browser that the
SVGs are something else.

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