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114 lines
5.6 KiB
Markdown
114 lines
5.6 KiB
Markdown
---
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title: "Authentication"
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description: "Guide on authentication in Home Assistant."
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redirect_from:
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- /components/auth/
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---
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Our authentication system secures access to Home Assistant.
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If you are starting Home Assistant for the first time, or you have logged out, you will be asked for credentials before you can log in.
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<img src='/images/docs/authentication/login.png' alt='Screenshot of the login screen' style='border: 0;box-shadow: none;'>
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## User accounts
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When you start Home Assistant for the first time the _owner_ user account is created. This account has some special privileges and can:
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- Create and manage other user accounts.
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- Configure integrations and other settings (coming soon).
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- Configure Hass.io (coming soon).
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<div class='note'>
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For the moment, other user accounts will have the same access as the owner account. In the future, non-owner accounts will be able to have restrictions applied.
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</div>
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### Your Account Profile
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Once you're logged in, you can see the details of your account at the _Profile_ page by clicking on the circular badge next to the Home Assistant title in the sidebar.
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<img src='/images/docs/authentication/profile.png' alt='Screenshot of the profile page' style='border: 0;box-shadow: none;'>
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You can:
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* Change the language you prefer Home Assistant to use.
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* Change your password.
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* Select the [theme](/components/frontend/#defining-themes) for the interface of Home Assistant.
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* Enable or disable [multi-factor authentication](/docs/authentication/multi-factor-auth/).
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* Delete _Refresh Tokens_. These are created when you log in from a device. Delete them if you want to force the device to log out.
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* Create [Long Lived Access Tokens](https://developers.home-assistant.io/docs/en/auth_api.html#long-lived-access-token) so scripts can securely interact with Home Assistant.
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* Log out of Home Assistant.
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### Securing your login
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_Make sure to choose a secure password!_ At some time in the future, you will probably want to access Home Assistant from outside your local network. This means you are also exposed to random black-hats trying to do the same. Treat the password like the key to your house.
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As an extra level of security, you can turn on [multi-factor authentication](/docs/authentication/multi-factor-auth/).
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## Other authentication techniques
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Home Assistant provides several ways to authenticate. See the [Auth Providers](/docs/authentication/providers/) section.
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## Troubleshooting
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### Authentication failures from `127.0.0.1`
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If you're seeing authentication failures from `127.0.0.1` and you're using the `nmap` device tracker, you should [exclude the Home Assistant IP](/components/device_tracker.nmap_tracker/#exclude) from being scanned.
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### Bearer token warnings
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Under the new authentication system you'll see the following warning logged when the [legacy API password](/docs/authentication/providers/#legacy-api-password) is supplied, but not configured in Home Assistant:
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```txt
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WARNING (MainThread) [homeassistant.components.http.auth] You need to use a bearer token to access /blah/blah from 192.0.2.4
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```
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If you see this, you need to add an [`api_password`](/components/http/#api_password) to your `http:` configuration.
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### Bearer token informational messages
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If you see the following, then this is a message for integration developers, to tell them they need to update how they authenticate to Home Assistant. As an end user you don't need to do anything:
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```txt
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INFO (MainThread) [homeassistant.components.http.auth] You need to use a bearer token to access /blah/blah from 192.0.2.4
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```
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### Lost owner password
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While you should hopefully be storing your passwords in a password manager, if you lose the password associated with the owner account the only way to resolve this is to delete *all* the authentication data. You do this by shutting down Home Assistant and deleting the following files from the `.storage/` folder in your [configuration folder](/docs/configuration/):
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* `auth`
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* `auth_provider.homeassistant`
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* `onboarding`
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* `hassio` (for hassio users)
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* `cloud` (for nabucasa users)
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When you start Home Assistant next, you'll be required to set up authentication again.
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### Error: invalid client id or redirect url
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<img src='/images/docs/authentication/error-invalid-client-id.png' alt='Screenshot of Error: invalid client id or redirect url'>
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You have to use a domain name, not IP address, to remote access Home Assistant otherwise you will get **Error: invalid client id or redirect url** error on the login form. However, you can use the IP address to access Home Assistant in your home network.
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This is because we only allow an IP address as a client ID when your IP address is an internal network address (e.g., `192.168.0.1`) or loopback address (e.g., `127.0.0.1`).
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If you don't have a valid domain name for your Home Assistant instance, you can modify the `hosts` file on your computer to fake one. On Windows, edit the `C:\Windows\System32\Drivers\etc\hosts` file with administrator privilege, or on Linux the `/etc/hosts` file, and add following entry:
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```text
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12.34.56.78 hassbian.home
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```
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Replace `12.34.56.78` with your Home Assistant's public IP address.
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This will allow you to open Home Assistant at `http://hassbian.home:8123/`
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### Stuck on Loading data
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Some ad blocking software, such as Wipr, also blocks web sockets. If you're stuck on the Loading data screen, try disabling your ad blocker.
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### Migrating from pre 0.77
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If you were using the authentication system before 0.77, you'd likely have `auth:` and `auth_providers:` defined. You'll need to remove these and let Home Assistant [handle it automatically](/docs/authentication/providers/#configuring-auth-providers).
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