My unfounded guess would be that Comcast checks for some DRM not available or disabled in (your) linux/browser.
If that is the case, you will not be able to work around with user agent. -T On Sun, Jul 13, 2025, 21:18 King Beowulf <[email protected]> wrote: > On 7/13/25 17:22, Dick Steffens wrote: > > On 7/13/25 16:44, Michael Ewan wrote: > >> How about the developers console in the browser and look for what > >> Xfinity expects to see, it used to be that you could fake all kinds of > >> stuff in the browser to fool the IE only sites. > >> > > In Firefox, clicking on the hamburger icon > more tools offers Browser > > Console. That brings up the following: > > > > > --------------------------------------------------------------------------------- > > 1752452115816 addons.xpi WARN Force scan SCOPE_PROFILE > > (app-system-addons location missing from XPIStates) > > 1752452115819 addons.xpi WARN Checking > > /snap/firefox/6495/usr/lib/firefox/distribution/extensions for addons > > 1752452115820 addons.xpi WARN Checking > > /snap/firefox/6495/usr/lib/firefox/distribution/extensions/locale-en-US > > for addons > > HTTPS-First Mode: Upgrading insecure speculative TCP connection > > “http://www.jigzone.com/ <http://www.jigzone.com/>” to use “https”. > > > > WebGL context was lost. 2 Troubleshoot.sys.mjs:727:17 > > > --------------------------------------------------------------------------------- > > > > That looks like something that could be useful, but I have no idea what > > to do with it. Recommendations? > > > > > > Jigzone.com is a jigsaw puzzle game. I wager its its trying to load a > plugin or advertizement ? > > The WebGL issue could be that you have webgl disabled or javascript > disabled. You can check by opening > > about:config > > These days a bunch of stuff breaks on the web unless you unleash the > horror that is javascript. > > -Ed > > >
