Richard,
I agree with Eero, VLANs are real security. It will require time and
effort and maybe some additional equipment. If it helps you sleep at night,
it's worth it. You might start with just IP groupings and rules though.
I have an admin network that only has a couple of computers wired into it.
admin has access to my home and the internet. My home network (mostly
wireless, satellite box, etc) does not have access to admin, but does have
access to the internet.
That's VLANs.
I also recommend floating address dhcp for addresses .100-.199 and dhcp
reservations for .200+ devices that should not have access to the internet,
like a printer. And addresses below .100 for devices you know and wish to
identify regularly. Then you can try limiting access to the internet to none
for .200+, only to ports 80, 443 for .100-.199, and full internet (but not
admin) access for your iphone, xbox, whatever. It's not as strong a separation
between trusted and untrusted networks as VLANs are, but it does inhibit some
multi-stage infection vectors. I do both.
I can still use my iphone as a remote for my satellite box with this config. I
don't fear having my set top box infect my computer that I use for web-banking
because they do not talk.
D-Link has some low cost vlan-smart switches available that seem to work pretty
well at a totally acceptable cost.
Ethernet over powerline is an easy way to get more private devices off of your
wireless network without running cat-6 through your walls or punching your own
RJ-45 connectors.
PFSense should be able to provide you with separated networks with additional
ports or by send multiple tagged VLANs to a smart/managed switched where you
can break them out as needed. And statically assigning addresses, blocking
communication by address range, it's all in there.
Good luck,
ED.
> On 2018, May 13, at 3:48 PM, Eero Volotinen <[email protected]> wrote:
>
> Well. You should use VLANs to segment IoT devices into different network.
> Anyway... some commercial vendor might provide a bit better protection ;)
>
> You can replace you apple timemachine with unifi aps.
> https://www.ubnt.com/unifi/unifi-ap/
>
> Eero
>
> On Sun, May 13, 2018 at 10:44 PM Richard A. Relph <[email protected]>
> wrote:
>
>> Hi,
>> I’ve been using a SG-2440 for a couple of years now, but only as a
>> well-maintained basic NAT router. I know I’m not using all the capabilities
>> the box offers.
>> I’m increasingly concerned about ‘infected’ IoT devices inside my
>> firewall. I don’t have any specific concerns. But confidence is
>> continuously declining that everything I implicitly trust is really worthy
>> of that trust. I’m looking for a tool that will provide me some evidence
>> that my network is behaving well, and identify devices that might be
>> betraying my trust.
>>
>> I’ve been tempted by the McAfee Secure Home Platform built in to
>> certain Arris Cable Modem/Routers. https://securehomeplatform.mcafee.com
>> I’d be interested in this groups thoughts on that product… but I’m
>> even more interested in thoughts on what pfSense offers that could detect
>> “unusual” traffic.
>>
>> Thanks in advance,
>> Richard
>> PS. Also looking for recommendations to replace my aging Access Point… An
>> Apple TimeMachine (in Bridge mode).
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