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Announce nginx SSL configuration presets

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Slavi Pantaleev 2021-01-08 21:30:13 +02:00
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# XXXX-XX-XX
# 2021-01-08
## New SSL Configuration
## (Breaking Change) New SSL configuration
A new variable `matrix_nginx_proxy_ssl_preset`, bringing some breaking changes. The default configuration is set to `"intermediate"`.
This changes `ssl_prefer_server_ciphers` to `off` by default instead of `on`. It also add some more ciphers to the list, this should
give a little better performance for mobile devices and removes weak ciphers. More information in the [documentation](docs/configuring-playbook-nginx.md).
To revert to the old behaviour just set the following variables:
SSL configuration (protocols, ciphers) can now be more easily controlled thanks to us making use of configuration presets.
We define a few presets (old, intermediate, modern), following the [Mozilla SSL Configuration Generator](https://ssl-config.mozilla.org/#server=nginx).
A new variable `matrix_nginx_proxy_ssl_preset` controls which preset is used (defaults to `"intermediate"`).
Compared to before, this changes nginx's `ssl_prefer_server_ciphers` to `off` (used to default to `on`). It also add some more ciphers to the list, giving better performance on mobile devices, and removes some weak ciphers. More information in the [documentation](docs/configuring-playbook-nginx.md).
To revert to the old behaviour, set the following variables:
```yaml
matrix_nginx_proxy_ssl_ciphers: "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH"
matrix_nginx_proxy_ssl_prefer_server_ciphers: "on"
```
Just like before, you can still use your own custom protocols by specifying them in `matrix_nginx_proxy_ssl_protocols`. Doing so overrides the values coming from the preset.
# 2021-01-03
## Signal bridging support via mautrix-signal