// connections open (i.e. basically degrade them to the
		// performance of http1 with keep-alive disabled).
		if utilfeature.DefaultFeatureGate.Enabled(genericfeatures.UnauthenticatedHTTP2DOSMitigation) && req.ProtoMajor == 2 && isAnonymousUser(resp.User) {
			// limit this connection to just this request,
			// and then send a GOAWAY and tear down the TCP connection
			// https://github.com/golang/net/commit/97aa3a539ec716117a9d15a4659a911f50d13c3c