It's the latest curl from git:
curl 7.38.1-DEV (x86_64-unknown-linux-gnu) libcurl/7.38.1-DEV
OpenSSL/1.0.1e zlib/1.2.7 libssh2/1.4.3

2014-11-05 7:38 GMT+00:00 Kamil Dudka <kdudka_at_redhat.com>:
> On Tuesday, November 04, 2014 16:06:48 George wrote:
>> Hi,
>>
>> I am trying to connect to a remote host using curl. The remote host
>> supports only tlsv1.2 and the RC4-SHA cipher. It does not support NSS,
>> only OpenSSL.
>>
>> The default curl that comes with CentOS 7(the one I am using) was
>> using NSS so that didn't work for me.
>
> What is the exact version of (lib)curl on your CentOS 7 machine?
> The option --tlsv1.2 was introduced in curl-7.29.0-16.el7.
>
> Kamil

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