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Merge pull request #5358 from praseodym/update-tls-configuration

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Update TLS configuration
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Kubernetes Prow Robot 2020-04-28 07:46:08 -07:00 committed by GitHub
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2 changed files with 10 additions and 9 deletions
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9
docs/user-guide/nginx-configuration/configmap.md
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@ -78,10 +78,10 @@ The following table shows a configuration option's name, type, and the default v
|[plugins](#plugins)|[]string| | |[plugins](#plugins)|[]string| |
|[reuse-port](#reuse-port)|bool|"true"| |[reuse-port](#reuse-port)|bool|"true"|
|[server-tokens](#server-tokens)|bool|"true"| |[server-tokens](#server-tokens)|bool|"true"|
|[ssl-ciphers](#ssl-ciphers)|string|"ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256"| |[ssl-ciphers](#ssl-ciphers)|string|"ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384"|
|[ssl-ecdh-curve](#ssl-ecdh-curve)|string|"auto"| |[ssl-ecdh-curve](#ssl-ecdh-curve)|string|"auto"|
|[ssl-dh-param](#ssl-dh-param)|string|""| |[ssl-dh-param](#ssl-dh-param)|string|""|
|[ssl-protocols](#ssl-protocols)|string|"TLSv1.2"| |[ssl-protocols](#ssl-protocols)|string|"TLSv1.2 TLSv1.3"|
|[ssl-session-cache](#ssl-session-cache)|bool|"true"| |[ssl-session-cache](#ssl-session-cache)|bool|"true"|
|[ssl-session-cache-size](#ssl-session-cache-size)|string|"10m"| |[ssl-session-cache-size](#ssl-session-cache-size)|string|"10m"|
|[ssl-session-tickets](#ssl-session-tickets)|bool|"true"| |[ssl-session-tickets](#ssl-session-tickets)|bool|"true"|
@ -485,7 +485,7 @@ Send NGINX Server header in responses and display NGINX version in error pages.
Sets the [ciphers](http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_ciphers) list to enable. The ciphers are specified in the format understood by the OpenSSL library. Sets the [ciphers](http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_ciphers) list to enable. The ciphers are specified in the format understood by the OpenSSL library.
The default cipher list is: The default cipher list is:
`ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256`. `ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384`.
The ordering of a ciphersuite is very important because it decides which algorithms are going to be selected in priority. The recommendation above prioritizes algorithms that provide perfect [forward secrecy](https://wiki.mozilla.org/Security/Server_Side_TLS#Forward_Secrecy). The ordering of a ciphersuite is very important because it decides which algorithms are going to be selected in priority. The recommendation above prioritizes algorithms that provide perfect [forward secrecy](https://wiki.mozilla.org/Security/Server_Side_TLS#Forward_Secrecy).
@ -510,7 +510,7 @@ _References:_
## ssl-protocols ## ssl-protocols
Sets the [SSL protocols](http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_protocols) to use. The default is: `TLSv1.2`. Sets the [SSL protocols](http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_protocols) to use. The default is: `TLSv1.2 TLSv1.3`.
Please check the result of the configuration using `https://ssllabs.com/ssltest/analyze.html` or `https://testssl.sh`. Please check the result of the configuration using `https://ssllabs.com/ssltest/analyze.html` or `https://testssl.sh`.
@ -1066,4 +1066,3 @@ _References:_
Set if proxy-ssl parameters should be applied only on locations and not on servers. Set if proxy-ssl parameters should be applied only on locations and not on servers.
_**default:**_ is disabled _**default:**_ is disabled

10
docs/user-guide/tls.md
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@ -105,7 +105,7 @@ The first version to fully support Kube-Lego is Nginx Ingress controller 0.8.
To provide the most secure baseline configuration possible, To provide the most secure baseline configuration possible,
nginx-ingress defaults to using TLS 1.2 only and a [secure set of TLS ciphers][ssl-ciphers]. nginx-ingress defaults to using TLS 1.2 and 1.3 only, with a [secure set of TLS ciphers][ssl-ciphers].
### Legacy TLS ### Legacy TLS
@ -117,7 +117,8 @@ are not compatible with nginx-ingress's default configuration.
To change this default behavior, use a [ConfigMap][ConfigMap]. To change this default behavior, use a [ConfigMap][ConfigMap].
A sample ConfigMap fragment to allow these older clients to connect could look something like the following: A sample ConfigMap fragment to allow these older clients to connect could look something like the following
(generated using the Mozilla SSL Configuration Generator)[mozilla-ssl-config-old]:
``` ```
kind: ConfigMap kind: ConfigMap
@ -125,8 +126,8 @@ apiVersion: v1
metadata: metadata:
name: nginx-config name: nginx-config
data: data:
ssl-ciphers: "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA" ssl-ciphers: "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA"
ssl-protocols: "TLSv1 TLSv1.1 TLSv1.2" ssl-protocols: "TLSv1 TLSv1.1 TLSv1.2 TLSv1.3"
``` ```
@ -137,3 +138,4 @@ data:
[ConfigMap]: ./nginx-configuration/configmap.md [ConfigMap]: ./nginx-configuration/configmap.md
[ssl-ciphers]: ./nginx-configuration/configmap.md#ssl-ciphers [ssl-ciphers]: ./nginx-configuration/configmap.md#ssl-ciphers
[SNI]: https://en.wikipedia.org/wiki/Server_Name_Indication [SNI]: https://en.wikipedia.org/wiki/Server_Name_Indication
[mozilla-ssl-config-old]: https://ssl-config.mozilla.org/#server=nginx&config=old