allow_from: < from-ports> < calls>

from-ports< port>[,< port>]... or "all" for all ports
calls < call>[,call]... originator calls that are accepted on this port
call originator call, for example PD*PE*,PA*,PI* to accept only Dutch stations on this port
port 1..(number of last active port)

Wildcards may be used to match the incoming callsigns.

*   Matches any 0 or more character(s).
?   Matches any 1 character.
@  Matches any alpha character.
!    Matches any digit.

More info see: Wildcards.


allow_from: 1 PD*,PE*,PA*,PI*