[Ach] [ssllabs-discuss] Minimal recommended cipher suite list, pref. as an interactive SSL Labs page

Aaron Zauner azet at azet.org
Sat Jun 14 18:20:03 CEST 2014


Just out of curiosity; why do you prefer 128bit symmetric ciphers over
256bit ones? In your case both are included, the preference does not make
sense to me.
i.e.: I'd either drop AES256 or order according to symmetric cipher
security (given the same key exchange, MAC,..)


On Sat, Jun 14, 2014 at 4:35 AM, Julien Vehent <julien at linuxwall.info>
wrote:

> On 2014-06-12 07:09, Hubert Kario wrote:
>
>> While choice of RC4 is bad, they plan to remove it and reinstate 3DES:
>> https://bugzilla.mozilla.org/show_bug.cgi?id=927045 Real Time Soon™
>>
>
> We did, at least, put 3DES above RC4 in production. The CPU cost was
> minimal, so I'll update the wiki page Real Time Soon™
>
>     $ ./cipherscan mozilla.org
>     ........
>     prio  ciphersuite           protocols            pfs_keysize
>     1     DHE-RSA-AES128-SHA    SSLv3,TLSv1,TLSv1.1  DH,1024bits
>     2     DHE-RSA-AES256-SHA    SSLv3,TLSv1,TLSv1.1  DH,1024bits
>     3     EDH-RSA-DES-CBC3-SHA  SSLv3,TLSv1,TLSv1.1  DH,1024bits
>     4     AES128-SHA            SSLv3,TLSv1,TLSv1.1
>     5     AES256-SHA            SSLv3,TLSv1,TLSv1.1
>     6     DES-CBC3-SHA          SSLv3,TLSv1,TLSv1.1
>     7     RC4-SHA               SSLv3,TLSv1,TLSv1.1
>
>     Certificate: trusted, 2048 bit, sha256WithRSAEncryption signature
>     TLS ticket lifetime hint: None
>     OCSP stapling: supported
>
> We also started deprecating SSL3 and TLS1 from new sites that require
> newer browsers, and where backward compatibility is not needed.
>
> - Julien
>
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