Buy a Norton Core: http://lon.tv/i70ba (affiliate link) – Using a Norton Core router I demonstrate Steve Gibson’s “3 dumb router” home network security method. We’ll create two isolated networks that will separate IOT devices from our computers while sharing the same Internet connection. See more Norton Core: http://lon.tv/core and subscribe! http://lon.tv/s
02:10 – Disclaimer: Not for networking experts
02:54 – Public / WAN port defined
03:01 – Local / private network explained
03:39 – NAT / Network Address Translation
05:12 – Device to device on the local network
05:27 – How a lightbulb can infect your computer
06:39 – Norton Core can prevent attacks
07:14 – Using a guest network to isolate devices
07:56 – Setting up a guest network on the Norton Core
08:44 – Limitations of a guest network
09:46 – Introducing 3 Dumb Router Solution
09:57 – Insert Security Now Card – http://lon.tv/sn545
10:19 – Three dumb router topology
12:44 – Configuring the gateway router
14:52 – Configuring the Trusted Device router
16:34 – Understanding how local IP addresses work
18:58 – Why default IPs for local network might be problematic
19:18 – Configuring the Norton Core to manage untrusted devices
20:39 – Connecting an untrusted IOT device to Norton Core
21:12 – Network isolation demo
23:00 – Connecting directly if configuration changes are required
23:17 – Using Norton Core deep packet inspection for more security
24:54 – Summary of what we built
26:17 – Make sure routers are supported by manufacturers
See Steve Gibson’s podcast on the topic here: http://lon.tv/sn545
This was a fun project that I’ve been meaning to do for awhile. It’s an easy way for networking neophytes to very easily and securely segment parts of your network.
Why would you want to do this? The main reason is that “Internet of Things” devices have proven themselves to be very vulnerable to outside attack. By making your home computers inaccessible to the IOT portion of the network you lower the risk of compromise.
In this video we also have the Norton Core apply its deep packet inspection to the untrusted IOT segment of the network to further prevent infection.
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