Firefox experiences Network Protocol Violation on Discourse based Websites

[Falco]

I also managed to repro this issue by setting Firefox to use a SOCKS 4 proxy while the proxy service is off, so it’s impossible to load the page. I get the same corrupted content error. So one more point to:

@Falco

Firefox is throwing this error around (Corrupted Content) for any network level error that happens in a fetch inside a service worker