Network manager must connect with their ISP to ensure: Inbound connections from the Internet to Kerio Control must be allowed via TCP and UDP port 4090
Configure a DNS FQDN name for the VPN server name that resolves to the correct public IP address assigned to the
service
If using commercial SSL certificates make sure the server certificate is imported into Kerio Control server and assigned
to the VPN service
Test VPN connections using an external computer with the Kerio VPN Client installed
Document the configuration steps necessary in order to install and configure the VPN client and share the final doc-
ument with remote users
Screenshot 8: VPN Server Properties Find additional information here:
Configuring network interfaces