You need to have xHTTP 3 in the Listen section of the pound.cfg
ListenHTTPS
Address 1.2.3.4
Port 443
xHTTP 3
Cert "/usr/local/sbin/todo.pem"
Service
BackEnd
Address a.a.com
Port 9090
End
End
End
Address 1.2.3.4
Port 443
xHTTP 3
Cert "/usr/local/sbin/todo.pem"
Service
BackEnd
Address a.a.com
Port 9090
End
End
End