So enterprise-class firewalls can presently identify and block the QUIC protocol entirely. (If you have such a firewall, I recommend this! Nothing supporting QU

So enterprise-class firewalls can presently identify and block the QUIC protocol entirely. (If you have such a firewall, I recommend this! Nothing supporting QUIC has no fallback.) Hopefully that level of intelligence will eventually make it down to at least prosumer-grade firewalls, but the folks who buy D-Link and Linksys stuff are probably out of luck.