Terminal VPN clients use TCP port 7742.It is redirected to port ranges 13000:130xx (xx - number of load balanced interface). Default = 1 per 200 terminals. If you drop all input on your firewall, you will have to re-enable incoming connections to these ports. Configuring Server Firewalls
If you manually restart your firewall: You have to run this command: . source /batm/vpngen/firewall.rules Port 7741 can be safely closed after all terminals are connected through the VPN. Anytime a BATM is factory reset, it will attempt to reconnect via port 7741. Open port 7741 as needed to reconnect these orphans.
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