listen:
    -   :10312
    -  127.0.0.1:11113

certificate:
  -
    cert: a.pem
    key: a.key
  -
    cert: b.pem
    key: b.key

forward:
  -
    sni: a.example.com
    backend: tcp://127.0.0.1:9002
  - 
    sni: b.example.com
    backend: http://127.0.0.1:8001
  -
    sni: b.example.com
    backend: unix:///tmp/a.sock
  -
    sni: d.example.com
    backend: tls://localhost:1921

default_backend:  tcp://localhost:1212