From c06e4c81cff57b4ccb4e82e8a44f75f44d6bb0c4 Mon Sep 17 00:00:00 2001
From: "Tobias \"Knight\" S" <tobias@tobiassachs.de>
Date: Fri, 1 Feb 2019 01:04:13 +0100
Subject: [PATCH] Enable TLSv1.3 finally

With Alpine 3.9 https://pkgs.alpinelinux.org/package/v3.9/main/x86/openssl we got OpenSSL 1.1.1a.
With https://github.com/docker-library/official-images/pull/5377 it was merged into the Nginx upstream image and thus Nginx was built with it.
---
 data/conf/nginx/site.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/conf/nginx/site.conf b/data/conf/nginx/site.conf
index 734e0f642..6693dbcbb 100644
--- a/data/conf/nginx/site.conf
+++ b/data/conf/nginx/site.conf
@@ -14,7 +14,7 @@ server {
 
   ssl_certificate /etc/ssl/mail/cert.pem;
   ssl_certificate_key /etc/ssl/mail/key.pem;
-  ssl_protocols TLSv1.2;
+  ssl_protocols TLSv1.2 TLSv1.3;
   ssl_ciphers '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_prefer_server_ciphers on;
   ssl_session_cache shared:SSL:50m;