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Tool and Usage

O-Saft is a security tool to show information about SSL certificates. It tests the SSL connection with the given list of ciphers and configuration.

Screenshot for O-Saft tool review


O-Saft is the abbreviation for OWASP SSL advanced forensic tool.

Why this tool?

O-Saft is a command-line tool and can be used offline and in closed environments. There is also a graphical user interface available (based on Tcl/Tk). It can even be turned into an online CGI-tool. With just basic parameters it can provide useful information about an SSL configuration. With limited tuning of the tool, it can perform more specialized tests.

Usage and audience

O-Saft is commonly used for information gathering, penetration testing, security assessment, vulnerability scanning, or web application analysis. Target users for this tool are pentesters, security professionals, and system administrators.


  • O-Saft is written in Perl
  • Command line interface
  • Customization and additions are possible
  • Graphical user interface
  • Integration with continuous integration/delivery (CI/CD)
  • Tool can be used in offline environment
  • Web interface

Tool review and remarks

The review and analysis of this project resulted in the following remarks for this security tool:


  • + The source code of this software is available

Author and Maintainers

O-Saft is under development by Achim Hoffmann.


Supported operating systems

O-Saft is known to work on Linux.

O-Saft alternatives

All alternatives for O-Saft

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Project details
Latest release18.1.18 [2018-01-24]
Last updatedJan. 27, 2018

Project health

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GitHub iconO-Saft GitHub project
 Project website

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