A quick look at the options available to secure your home wifi networ.

1. J A Bhavsar
10 April 2021
jbhavsar@gmail.com

2. Router in a Smart Home

3. Technical Terms you need to Understand
WiFi Standards 802.11 ac/b/g/n/ax
WiFi Frequency 2.4 GHz and 5 GHz
SSID (service Set Identifier)
Wireless Encryption Protocols (WEP/WPA/WPA2)
Router Administration Password
WiFi Network Password
VPN, Firewall
DHCP server
DNS & Gateway

4. Router in a Smart Home - Internal Components

5. Router in a Smart Home - Functionalities

6. How does a Device connect to Router & Internet?

7. WiFi Standards defined by IEEE

8. WiFi Encryption Protocols

9. Securing your Router - 1
Change default passwords (Admin and WiFi)
Change SSIDs or Switch them off (SSID: Service Set Identifier)
Enable Firewall
Take a backup of your router settings
Proper positioning
(Check WiFi signal strength at commonly used locations)

10. Securing your Router - 2
Mac Address Filtering
URL Filtering (Local & Cloud Service)
Enable Guest Network
UPS Power
Regularly upgrade firmware
Secure Physical location
Disable WPS and Remote Management
Switch “OFF” your router when there is no one at home.

11. Screenshot - Change Router Admin Password

12. Screenshot - Disable Remote Management

13. Screenshot - Change & Disable SSID

14. Screenshot - Use WPA2 Personal or WPA2-PSK

15. Screenshot - Disable UPnP, WPS, etc.

16. Screenshot Showing System Tools

17. Topology - Equipment Layout
Single Router
Router + Repeater (Maintain LoS or use cable)
Router + Mesh

18. Additional Reading
https://www.netspotapp.com/explaining-wifi-standards.html
https://me-en.kaspersky.com/blog/how-to-set-up-wifi-router/4390/
https://www.linksys.com/us/r/resource-center/whole-home-mesh-wifi/
https://www.actiontec.com/wifihelp/complete-guide-to-wifi-networking/
https://www.homenethowto.com/basics/introduction-home-networks/
www.cnet.com/home/internet/wi-fi-6-and-what-it-means-for-you-wifi-routers/
https://mikrotrik.com/tp-link-ac1750-range-extender-mode/

19. jbhavsar@gmail.com