AddHostsToExceptions - allow comminication with this hosts Note!: all added hosts will be removed from exceptions after client disconnection (after call 'ClientDisconnected()').

AllowLAN - allow/forbid LAN communication.

ClientConnected - allow communication for local vpn/client IP address.

ClientDisconnected - Remove all hosts exceptions.

ClientPaused saves info about paused state of vpn.

ClientResumed saves info about resumed state of vpn.

GetEnabled - get firewall state.

Initialize is doing initialization stuff Must be called on application start.

SetEnabled - change firewall state.

SetManualDNS - configure firewall to allow DNS which is out of VPN tunnel Applicable to Windows implementation (to allow custom DNS from local network).

SetPersistant - set persistant firewall state and enable it if necessary.