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Reply to topic   Topic: SSL ciphers
Author
mrdj1024



Joined: 03 Apr 2023
Posts: 30
Location: Bridgeton,NJ,USA
PostPosted: Sun 25 Feb '24 5:03    Post subject: SSL ciphers Reply with quote
hello!
so i am wondering about my ssl config.
SSLProtocol all -SSLv3 -TLSv1 -TLSv1.1
SSLProxyProtocol all -SSLv3 -TLSv1 -TLSv1.1
SSLHonorCipherOrder off
SSLCipherSuite 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
SSLProxyCipherSuite 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

does these settings look correct for my tls 1.2 and 1.3 setup?
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DnvrSysEngr



Joined: 15 Apr 2012
Posts: 219
Location: Denver, CO USA
PostPosted: Sun 25 Feb '24 20:23    Post subject: Reply with quote
Here is what I have for my SSL config

SSLProtocol -all +TLSv1.2 +TLSv1.3
SSLProxyProtocol -all +TLSv1.2 +TLSv1.3

SSLHonorCipherOrder on

SSLCipherSuite SSL
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

SSLCipherSuite TLSv1.3 TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256

SSLOpenSSLConfCmd Curves secp521r1:secp384r1:prime256v1
SSLOpenSSLConfCmd ECDHParameters Automatic

I do not have SSLProxyCipherSuite set up for my environment.

Looking at what you have configured, I would say you are 'good to go.'

Your mileage may vary, meaning --- configure what best suits your needs.
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axel.kam



Joined: 11 Jul 2023
Posts: 6
PostPosted: Sun 25 Feb '24 22:11    Post subject: Re: SSL ciphers Reply with quote
mrdj1024 wrote:
does these settings look correct for my tls 1.2 and 1.3 setup?


There is a good start point for ssl config: Mozilla SSL Configuration Generator

You can try Modern configuration (Services with clients that support TLS 1.3 and don't need backward compatibility):
https://ssl-config.mozilla.org/#server=apache&version=2.4.58&config=modern&openssl=3.1.5&guideline=5.7

or Intermediate configuration (General-purpose servers with a variety of clients, recommended for almost all systems):
https://ssl-config.mozilla.org/#server=apache&version=2.4.58&config=intermediate&openssl=3.1.5&guideline=5.7
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7298
Location: Germany, Next to Hamburg
PostPosted: Sun 25 Feb '24 23:21    Post subject: Reply with quote
My current A+ config for SSL test lab https://raw.githubusercontent.com/JBlond/debian_build_apache24/master/ssl.conf
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