[openssl-users] Disable SSL3 and enable TLS1? / Ambiguous "DES-CBC3-SHA"

Viktor Dukhovni openssl-users at dukhovni.org
Tue Apr 7 02:44:13 UTC 2015

On Mon, Apr 06, 2015 at 05:11:22PM -0700, David Rueter wrote:

> I would like to disable SSL3 (to prevent POODLE attacks), but I would like
> to leave TLS1 enabled (particularly DES-CBC3-SHA, AES128-SHA and
> AES256-SHA).

You're confusing SSLv3 the protocol, with SSLv3 ciphersuites.  To disable
the protocol set "SSL_OP_NO_SSLv3" via SSL_CTX_set_options().

> Is there no way to disable SSL3 while leaving TLS_RSA_WITH_3DES_EDE_CBC_SHA
> enabled?

Yes, disable the protocol, not the ciphers.


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