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Add notes on security measures deployed in Authelia in README

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Clement Michaud 2017-10-15 17:57:12 +02:00
parent f523e5335f
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1 changed files with 29 additions and 5 deletions
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README.md
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@ -24,11 +24,12 @@ used in production to secure internal services in a small docker swarm cluster.
5. [Access control](#access-control)
6. [Basic authentication](#basic-authentication)
7. [Session management with Redis](#session-management-with-redis)
4. [Documentation](#documentation)
4. [Security](#security)
5. [Documentation](#documentation)
1. [Authelia configuration](#authelia-configuration)
1. [API documentation](#api-documentation)
5. [Contributing to Authelia](#contributing-to-authelia)
6. [License](#license)
2. [API documentation](#api-documentation)
6. [Contributing to Authelia](#contributing-to-authelia)
7. [License](#license)
---
@ -197,6 +198,29 @@ Please see [config.template.yml] to see an example of configuration.
### Session management with Redis
When your users authenticate against Authelia, sessions are stored in a Redis key/value store. You can specify your own Redis instance in [config.template.yml].
## Security
### Protection against cookie theft
Authelia uses two mechanism to protect against cookie theft:
1. session attribute `httpOnly` set to true make client-side code unable to
read the cookie.
2. session attribute `secure` ensure the cookie will never be sent over an
unsecure HTTP connections.
### Protection against multi-domain cookie attacks
Since Authelia uses multi-domain cookies to perform single sign-on, an
attacker who poisonned a user's DNS cache can easily retrieve the user's
cookies by making the user send a request to one of the attacker's IPs.
To mitigate this risk, it's advisable to only use HTTPS connections with valid
certificates and enforce it with HTTP Strict Transport Security ([HSTS]) so
that the attacker must also require the certificate to retrieve the cookies.
Note that using [HSTS] has consequences. That's why you should read the blog
post nginx has written on [HSTS].
## Documentation
### Authelia configuration
The configuration of the server is defined in the file
@ -246,4 +270,4 @@ Follow [contributing](CONTRIBUTORS.md) file.
[auth_request]: http://nginx.org/en/docs/http/ngx_http_auth_request_module.html
[Google Authenticator]: https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&hl=en
[config.template.yml]: https://github.com/clems4ever/authelia/blob/master/config.template.yml
[HSTS]: https://www.nginx.com/blog/http-strict-transport-security-hsts-and-nginx/