This library is a pure ruby implmenetation of the SSLScan tool originally written by Ian Ventura-Whiting. It currently depends on the system version of OpenSSL. To be effective you will want to use this gem with a version of OpenSSL compiled to support the old versions of SSL and weak ciphers. We will be ivnestigating ways to either prepackage a version of OpenSSL with this gem, or using an alternative in the future.


Add this line to your application's Gemfile:

gem 'rex-sslscan'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rex-sslscan


scanner ='', 443)
results = scanner.scan
print_status results.to_s


After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at[USERNAME]/rex-sslscan. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.