[openssl-users] Disable/Enable TLS versions for all connections at runtime

Dan S danchik at rebelbase.com
Wed Nov 16 23:22:09 UTC 2016


I thought there is anything that would stop you from compiling with
everything and make choices at run time, (TLSv1_2_method, TLSv1_1_method,
TLSv1_method, SSLv23_method etc... just set the right flags and cyphers)

On Wed, Nov 16, 2016 at 2:58 PM, Craig_Weeks at trendmicro.com <
Craig_Weeks at trendmicro.com> wrote:

> I am an OpenSSL neophyte, so please bear with me if the answer is obvious
> in the documentation.
>
>
>
> Our product is going to provide runtime options to the user to enable and
> disable TLS 1.0, 1.1 and 1.2 in a discrete manner. For example: today
> enable 1.0 and 1.2, disable 1.1; tomorrow enable 1.1 and 1.2, disable 1.0.
>
>
>
> How do I use the available APIs to toggle the availability of these
> versions of TLS at runtime (as opposed to some compile time switch that
> permanently removes support for 1 or more versions)? I want these settings
> to apply to all new connections after they have been enabled or disabled.
>
>
>
> *Craig Weeks *| Senior Software Engineer, Support Response Team (SRT)
>
>
>
> craig_weeks at trendmicro.com <Richard_Fangman at trendmicro.com>
>
>
>
> 14231 Tandem Blvd, Austin TX 78728
>
>
>
> www.trendmicro.com
>
>
>
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