What is “sslscan” Package?

SSLScan  is used to query SSL services like HTTPS and SMTP that supports STARTTLS  to find out the ciphers that are supported. The output includes preferred ciphers of the SSL service, the certificate and is in Text and XML formats. SSLScan is known to be fast and easy.

In short it test SSL/TLS enabled services to discover supported cipher suites.
For more details: https://github.com/rbsec/sslscan

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 sslscan.

  brew install sslscan

Now, use sslscan!