LSE toolsLSE toolsssldump (387)ssldump (387)

Tool and Usage

ssldump is protocol analyzer for SSLv3/TLS network traffic. It identifies TCP connections on the chosen network interface and tries to interpret it.

How it works

While the tool is listening, it attempts to interpret any SSLv3/TLS traffic it sees. Any related information will be displayed (text to stdout). When the tool has been given any key details, it will decrypt the traffic and show application data inside the streams.

Background information

The ssldump project is hosted on SourceForge. While that is not bad, it gives away the age of the project.

Usage and audience

ssldump is commonly used for network analysis. Target users for this tool are security professionals.

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


  • - No updates for a while

Author and Maintainers

Ssldump is under development by Eric Rescorla.


Supported operating systems

Ssldump is known to work on FreeBSD and Linux.

ssldump alternatives

Similar tools to ssldump:



Pysap is a Python library to craft SAP network protocol packets. It can be used for analysis and security assessments.


Certificate Transparency

Google's Certificate Transparency project audits the way SSL/TLS certificates are used and its underlying cryptographic system.



Cipherscan is a tool to test the ordering of SSL/TLS ciphers on a given target. It tests the major versions of SSL, TLS, and any extensions of these protocols.

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Project details
Latest release0.9b3 [2013-04-17]
Last updatedApril 17, 2018

Project health

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 Project website


This tool is categorized as a network protocol testing tool and SSL analyzer tool.

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