+'openvpn mssfix allowed with udp' => 'Using "mssfix" is only allowed when using the UDP protocol.',
+'openvpn prefix local subnet' => 'Using the prefix notation is not supported for the local subnet. Please enter a subnet mask like 255.255.255.0.',
+'openvpn prefix openvpn subnet' => 'Using the prefix notation is not supported for the OpenVPN subnet. Please enter a subnet mask like 255.255.255.0.',
+'openvpn prefix remote subnet' => 'Using the prefix notation is not supported for the remote subnet. Please enter a subnet mask like 255.255.255.0.',
+'openvpn server' => 'OpenVPN server',
+'openvpn subnet is used' => 'The given subnet is used by another OpenVPN server.',