Home Assitant previously. Without static IP, it’s hard to access Home Assistant instance out of the home without
hassio cloud.But it’s a subscription service. One of the reason one might choose Home Assistant is to avoid subscription services from a lot of providers.
Problem without static IP is, ISP’s assigns different IP from their pool every time home router restarts or after certain time. assigning DNS to constantly changing IP becomes hassle.
DuckDNS provides DNS service without a separate Domain and difficult setups. Simple signup with Google or five sign in services. There are certain limitations with DuckDNS though, it only allows five subdomain registration for free users. One is sufficient for Home Assistant setup.
DuckDNS and sing up with with Google, Twitter, GitHub, Reddit or persona. After sing in, enter the desired subdomain name e.g. myhome.duckdns.org. DuckDNS grabs current public IP and assigns it to the subdomain. You should note down token number provided here.
Open Home Assistant instance on your browser of choice(192.168.1.123:8123). Go to Supervisor > Add-on Store and Select
DuckDNS Add-on and Click install. Open configuration Tab on top paste the following
lets_encrypt: accept_terms: true certfile: fullchain.pem keyfile: privkey.pem token: token-from-duckdns domains: - subdomain.duckdns.org aliases:  seconds: 300
Note:- Replace token and subdomain with subdomain from DuckDNS and token noted down in last step.
Go to Info tab and start the service. Don’t forget to enable
Start onboot and
Watchdog. DuckDNS now works in the background and installs
SSL certificates from
To access Home Assistant from outside of home, Nginx proxy is need to route the traffic from the outside. To install the Nginx Add-on go to Supervisor > Add-on Store Select NGINX Home Assistant SSL proxy. Now, go to Configuration and replace with following
domain: subdomain.duckdns.org certfile: fullchain.pem keyfile: privkey.pem hsts: max-age=31536000; includeSubDomains cloudflare: false customize: active: false default: nginx_proxy_default*.conf servers: nginx_proxy/*.conf
Note:- Replace token and subdomain with subdomain from DuckDNS.
Click save and Go to to info Tab and Star the Add-on. Don’t forget to enable
Start onboot and
Watchdog. It may take sometime before it enables connection. Status of the service can be checked at Logs Sections. After everything completed, restart the Home Assistant instance. Now try to visit the DuckDNS subdomain with added
https. e.g myhome.duckdns.org. It should be asking redirected login window.
To access it securely only enable 443 port in the Network section of Nginx Configuration.
443 port forward should be done in your network router to allow outside connection to HASS. Port forward isn’t mentioned here. reason being, there are every other combination of routers and network configurations are out there. Just search Port forward your router vendor model. Please keep in mind that, simple misconfiguration can cause huge damage to you and your network. please make sure what you are doing. Au revoir