What is “testssl” Package?

Tool which checks for the support of TLS/SSL ciphers and flaws
For more details: https://testssl.sh/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install testssl.

  brew install testssl

Now, use testssl!