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Update tls_self_signed_certificate.markdown (#3400)

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* Update tls_self_signed_certificate.markdown

corrected typo and made file names match

* Replace HASS with Home Assistant
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John 2017-09-19 07:47:08 +12:00 committed by Fabian Affolter
parent a6a290607f
commit 290ce7eb3e
1 changed files with 12 additions and 6 deletions
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source/_docs/ecosystem/certificates/tls_self_signed_certificate.markdown
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@ -10,9 +10,11 @@ footer: true
redirect_from: /cookbook/tls_self_signed_certificate/
---
If your Home Assistant instance is only accessible from your local network you can still protect the communication between your browsers and the frontend with SSL/TLS. [Let's encrypt]({{site_root}}/blog/2015/12/13/setup-encryption-using-lets-encrypt/) will only work if you have a DNS entry and remote access is allowed. The solution is to use a self-signed certificate. As you most likely don't have a certification authority (CA) your browser will conplain about the security. If you have a CA then this will not be an issue.
If your Home Assistant instance is only accessible from your local network you can still protect the communication between your browsers and the frontend with SSL/TLS.
[Let's encrypt]({{site_root}}/blog/2015/12/13/setup-encryption-using-lets-encrypt/) will only work if you have a DNS entry and remote access is allowed.
The solution is to use a self-signed certificate. As you most likely don't have a certification authority (CA) your browser will conplain about the security. If you have a CA then this will not be an issue.
To create locally a certificate you need the [OpenSSL](https://www.openssl.org/) command-line tool.
To create a certificate locally, you need the [OpenSSL](https://www.openssl.org/) command-line tool.
Change to your Home Assistant [configuration directory](/getting-started/configuration/) like `~/.homeassistant`. This will make it easier to backup your certificate and the key. Run the command shown below.
@ -20,15 +22,17 @@ The certificate **must** be `.pem` extension.
If you are going to use this certificate with the iOS app, you need to ensure you complete **all** fields during the cetificate creation process, then:
* Send **only** `certificate.pem` file to the iOS device using airdrop or other transfer method.
* Send **only** the `certificate.pem` file to the iOS device, using airdrop or other transfer method.
* Open the `.pem` file on the iOS device, follow the prompts to trust and install it.
* If you are using iOS 10.3 or newer then [additioal steps](https://support.apple.com/en-us/HT204477) are needed.
* If you are using iOS 10.3 or newer then [additional steps](https://support.apple.com/en-us/HT204477) are needed.
```bash
$ openssl req -sha256 -newkey rsa:4096 -nodes -keyout key.pem -x509 -days 730 -out certificate.pem
$ openssl req -sha256 -newkey rsa:4096 -nodes -keyout privkey.pem -x509 -days 730 -out certificate.pem
```
For details about the parameters, please check the OpenSSL documentation. Provide the requested information during the generation process. At the end you will have two files called `privkey.pem` and `certificate.pem`. The key and the certificate.
For details about the parameters, please check the OpenSSL documentation. Provide the requested information during the generation process.
At the end you will have two files called `privkey.pem` and `certificate.pem`. The key and the certificate.
Update the `http:` entry in your `configuration.yaml` file and let it point to your created files.
@ -39,4 +43,6 @@ http:
ssl_key: /home/your_user/.homeassistant/privkey.pem
```
A restart of Home Assistant is required for the changes to take effect.
A tutorial "[Working with SSL Certificates, Private Keys and CSRs](https://www.digitalocean.com/community/tutorials/openssl-essentials-working-with-ssl-certificates-private-keys-and-csrs)" could give you some insight about special cases.