[mythtv-users] Usefulness of firewall

Leo Butler leo.butler81 at googlemail.com
Sat Aug 13 12:29:25 UTC 2022

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.


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