Home Automation

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Home automation is the residential extension of building automation.

It is automation of the home, housework or household activity.

Home automation may include centralized control of lighting, HVAC (heating, ventilation and air conditioning), appliances, security locks of gates and doors and other systems, to provide improved convenience, comfort, energy efficiency and security.

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Smart TV - firewall so it can only access google store and netflix? (alien.top)

submitted 11 months ago by [email protected] to c/[email protected]

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I have a Hisense TV. I was wondering if there's an easy way to firewall their TV so that it only has access to Google Store and Netflix? Make it so the TV can't reach anything else?

I don't currently have any firewall. I have ddwrt as my main router. I can whip up a pihole if needed.

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[–] [email protected] 0 points 11 months ago

Yes. You will need to use firewall rules to allow the IPs of the desired services and then deny all other traffic to-from the TV.

You're challenge is that DDWRT only supports numeric IP addresses in its rules, and not Fully Qualified Domain Names(FQDN). So, for your current firewall, you will need to create a list of all the desired IP addresses and then create allow rules for each, or each subnet(range). You'll need to update this list regularly as the individual IPs change semi-frequently.

A Pi Hole might work but it would be prone to leakage, letting undesired traffic pass, and not block hard coded IPs.

If you had a firewall that allowed you to use FQDNs in rules/policies then you could easily achieve your goal. there are several somewhat pricey commercial firewalls that can do FQDN policies. On the free side, pfSense/OPNsense can do FQDN policies using aliases. There may also be others that I am not aware of.