If you go the e-mail route for signalling, you can have Perl scripts on both ends using Crypt::OpenPGP to sign and/or encrypt the commands.
Other options like XMPP were mentioned. Maybe one of the MQTT modules would be suitable. /Lars -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/