Hi,

SSL Labs don’t like 3DES whose key length is considered 112 bits and not 168 
bits because it may be subject to meet-in-the-middle attack.
Remove it by adding the line below to your server definition:
tls cipher "HIGH:!aNULL:!3DES"

Ronan 

> Le 15 août 2017 à 09:54, Andreas Thulin <[email protected]> a écrit :
> 
> Hi!
> 
> I run httpd on 6.1-stable (thanks to all of you who make that possible!),
> with a pretty vanilla tls setup. When testing the server on ssllabs.com,
> results say that
> 
> TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
> 
> is considered weak. How should I interpret that information, as you see it?
> And shouldn't default cipher strengths be >= 128? I have probably
> misunderstood something, so any pointers in the right direction would be
> lovely.
> 
> Link to my test result:
> https://www.ssllabs.com/ssltest/analyze.html?d=esoteric.andreasthulin.se
> 
> My httpd.conf (which I'd like to keep very simple):
> # www.andreasthulin.se - HTTP
> server "www.andreasthulin.se" {
>        alias "esoteric.andreasthulin.se"
>        hsts subdomains
>        listen on * port 80
>        listen on * tls port 443
>        tls certificate "/etc/ssl/esoteric.andreasthulin.se.fullchain.pem"
>        tls key "/etc/ssl/private/esoteric.andreasthulin.se.key"
>        root "/htdocs/andreasthulin.se"
>        location "*.php" {
>                fastcgi socket "/run/php-fpm.sock"
>        }
>        location "/.well-known/acme-challenge/*" {
>                root "/acme"
>                root strip 2
>        }
>        directory { index "index.php" }
> }
> 
> BR, Andreas

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