again quic is not just Http. you can proxy an sftp connexion through quic. By having a (tcp to quic) gateway at the source and a (quic to tcp) relay at the dest

again quic is not just Http. you can proxy an sftp connexion through quic. By having a (tcp to quic) gateway at the source and a (quic to tcp) relay at the destination. I have seen this implemented in production!