I've just found out the hardway, it's if you have a custom setup within the modem, for ports and address, but if you keep it as default, you dont get blocked by the modems firewall, so keep the setting as "Standard" setting, dont change anything to do with the modems firewall, and you will find you can connect to it like Dray, so this is where your going wrong Chrysalis, dont mess with the modems firewall
If anyone runs in to the modem blocking you, with its firewall, try changing your ethernet ip to 192.168.3.100, then connect by lan two, you will be able to login at 192.168.3.1, then reset to default and try again