From ec0d908a4482ab3681d93b058889a0d8e3278d29 Mon Sep 17 00:00:00 2001
From: Nicolas Duchon <nicolas.duchon@gmail.com>
Date: Fri, 8 Dec 2023 17:59:26 +0100
Subject: [PATCH] feat: add AWS TLS 1.3 security policies

---
 README.md  | 26 ++++++++++++++++++++++++++
 nginx.tmpl | 40 ++++++++++++++++++++++++++++++++++------
 2 files changed, 60 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index a984069..71c324e 100644
--- a/README.md
+++ b/README.md
@@ -369,6 +369,32 @@ Complete list of policies available through the `SSL_POLICY` environment variabl
     </li>
   </ul>
 </details>
+<details>
+  <summary>AWS ELB TLS 1.3 security policies</summary>
+  <ul>
+    <li>
+      <code>AWS-TLS13-1-3-2021-06</code>
+    </li>
+    <li>
+      <code>AWS-TLS13-1-2-2021-06</code>
+    </li>
+    <li>
+      <code>AWS-TLS13-1-2-Res-2021-06</code>
+    </li>
+    <li>
+      <code>AWS-TLS13-1-2-Ext1-2021-06</code>
+    </li>
+    <li>
+      <code>AWS-TLS13-1-2-Ext2-2021-06</code>
+    </li>
+    <li>
+      <code>AWS-TLS13-1-1-2021-06</code>
+    </li>
+    <li>
+      <code>AWS-TLS13-1-0-2021-06</code>
+    </li>
+  </ul>
+</details>
 <details>
   <summary>AWS ELB FS supported policies</summary>
   <ul>
diff --git a/nginx.tmpl b/nginx.tmpl
index 7ff31ef..eb64b6a 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -160,6 +160,34 @@
     ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
     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_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-3-2021-06" }}
+    ssl_protocols TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256';
+    ssl_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-2-2021-06" }}
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384';
+    ssl_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-2-Res-2021-06" }}
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';
+    ssl_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-2-Ext1-2021-06" }}
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES128-SHA256:AES256-GCM-SHA384:AES256-SHA256';
+    ssl_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-2-Ext2-2021-06" }}
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
+    ssl_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-1-2021-06" }}
+    ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
+    ssl_prefer_server_ciphers on;
+    {{- else if eq .ssl_policy "AWS-TLS13-1-0-2021-06" }}
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
+    ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-FS-1-2-Res-2020-10" }}
     ssl_protocols TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';
@@ -185,27 +213,27 @@
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
     ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-TLS-1-2-2017-01" }}
-    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_protocols TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:AES128-GCM-SHA256:AES128-SHA256:AES256-GCM-SHA384:AES256-SHA256';
     ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-TLS-1-1-2017-01" }}
-    ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_protocols TLSv1.1 TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
     ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-2016-08" }}
-    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA';
     ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-2015-05" }}
-    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DES-CBC3-SHA';
     ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-2015-03" }}
-    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DHE-DSS-AES128-SHA:DES-CBC3-SHA';
     ssl_prefer_server_ciphers on;
     {{- else if eq .ssl_policy "AWS-2015-02" }}
-    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
     ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DHE-DSS-AES128-SHA';
     ssl_prefer_server_ciphers on;
     {{- end }}