[mythtv-users] Usefulness of firewall

[Leo Butler]

On Thu, Aug 11 2022, James <jam at tigger.ws> wrote:

>> On 10 Aug 2022, at 11:33 pm, Simon <linux at thehobsons.co.uk> wrote:
>> 
>>> If you have a modem/router and you are running an ipv4 network at home then any firewall within your network is totally without any value what so ever.
>> 
>> I disagree - (almost) totally.
>
> Actually I agree (I had not considered SOUP)
>
> Stephens comment
>
>> I have a separate IoT subnet where I put all my untrusted devices.
>> That subnet has Internet access, but the only access it has to the
>> rest of my network is to the DNS and NTP servers - anything else is
>> blocked.  The parts of my network that are trusted can talk to the IoT
>> subnet to access the devices as required.  The WiFi SSID on the IoT
>> subnet is set up to disallow devices from talking to each other.
>
> But I need to think, offhand I don't see the ubiquitous modem/router being flexible enough to achieve this.

It depends on the router you are using, but openwrt runs on many and can
easily be configured to do what Stephen suggests. I will guesss that is
what he is using.

Leo