No. Any device connected to the modem receives public IP addresses, so if you need protection, you'll have to install a software firewall to your PCs or buy a hardware firewall and attach it directly to your modem.
You're free to upgrade your Flow Internet package any time you want. Just contact our call center at +5999-789-3569 (Flow) , e-mail us at firstname.lastname@example.org or visit our Flow Office at the Fokkerweg z/n (Santa Martha Building). It is always possible to add, remove or change your Video packages as much as you prefer. Downgrading your Internet speed is only possible if you have an open contract. You'll be charged accordingly on the day you change the service. Please note that the starting date of your contract will stay the same (the date of your original installation).
Call +5999-789-3569 (Flow). Our agents are ready to answer your queries.