When enabled theAsk user permissionoption shows a message on the remote computer asking the remote user to accept or reject an incoming remote session request. Additionally, you can set a timeout and a default action to apply in case there is no one attending the remote PC. The request can be accepted or rejected automatically according to your settings.
Free License – Remote Utilities
With IP filtering enabled, you can restrict a remoteHostandRU Serverto accept incoming connections from certain IP addresses only. Awhite listallows you to set trusted IP addresses whereas connections from all other IP addresses that do not fall in the trusted range will be declined. Ablacklistallows connections to the given Host from all IP addresses or IP address ranges except the ones which you have explicitly blacklisted.