So, I'm getting a 406 error on the freeforums site.
Maybe it's just a FF thing...(alt-svc line)
GET: HTTP/3.0 406
cache-control: private, no-store
accept-ranges: bytes
via: 1.1 varnish, 1.1 varnish
date: Sun, 07 Jul 2024 13:01:13 GMT
x-served-by: cache-chi-kigq8000093-CHI, cache-chi-kigq8000139-CHI, cache-sjc10065-SJC
x-cache: MISS, MISS
x-cache-hits: 0, 0
x-timer: S1720357273.979033,VS0,VE62
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
X-Firefox-Http3: h3