min_version=

        # OpenSSL::SSL::SSLContext.min_version=

(from ruby core)
### Implementation from SSLContext
---
    ctx.min_version = OpenSSL::SSL::TLS1_2_VERSION
    ctx.min_version = :TLS1_2
    ctx.min_version = nil

---

Sets the lower bound on the supported SSL/TLS protocol version. The
version may be specified by an integer constant named
OpenSSL::SSL::*_VERSION, a Symbol, or `nil` which means "any version".

Be careful that you don't overwrite OpenSSL::SSL::OP_NO_{SSL,TLS}v*
options by #options= once you have called #min_version= or
#max_version=.

### Example
    ctx = OpenSSL::SSL::SSLContext.new
    ctx.min_version = OpenSSL::SSL::TLS1_1_VERSION
    ctx.max_version = OpenSSL::SSL::TLS1_2_VERSION

    sock = OpenSSL::SSL::SSLSocket.new(tcp_sock, ctx)
    sock.connect # Initiates a connection using either TLS 1.1 or TLS 1.2