Desculpe, não é possível usar wildcard
em hostnames
No pattern matching is performed on the specified hostnames,
they must be literal domains or addresses.
Página Man para permitopen
permitopen="host:port"
Limit local ''ssh -L'' port forwarding such that it may only connect
to the specified host and port. IPv6 addresses can be specified by enclosing
the address in square brackets. Multiple permitopen options may be applied
separated by commas. No pattern matching is performed on the specified
hostnames, they must be literal domains or addresses. A port specification
of * matches any port.