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Replaceing old TLS versions and insecure ciphers

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NEVER use SSL / TLS in outdated versions or insecure / oudated ciphers. Current state-of-the-art TLS Versions are TLSv1.2 and TLSv1.3. TLSv1.2 is only enabled for backwards compatibility. Ciphers are taken out of the guide. 

```ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384;```

Are the recommended ciphers out of  source 4 in combination of all other sources.
 
source 1: https://www.linuxtechi.com/harden-secure-nginx-web-server-linux
source 2: https://beaglesecurity.com/blog/article/nginx-server-security.html
source 3: https://www.acunetix.com/blog/articles/tls-ssl-cipher-hardening/
source 4: https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
This commit is contained in:
Karim
2022-05-18 01:22:45 +02:00
committed by GitHub
parent d272118d6a
commit 85dc113fe4
1 changed files with 2 additions and 2 deletions
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4
modoboa_installer/scripts/files/nginx/modoboa.conf.tpl
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@@ -17,8 +17,8 @@ server {
ssl_certificate %tls_cert_file; ssl_certificate %tls_cert_file;
ssl_certificate_key %tls_key_file; ssl_certificate_key %tls_key_file;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:ECDHE-RSA-AES128-GCM-SHA256:AES256+EECDH:DHE-RSA-AES128-GCM-SHA256:AES256+EDH:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4"; ssl_ciphers "ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384";
ssl_prefer_server_ciphers on; ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m; ssl_session_cache shared:SSL:10m;
ssl_verify_depth 3; ssl_verify_depth 3;