OnWorks favicon

heartbleeder - Online in the Cloud

Run heartbleeder in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command heartbleeder that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



heartbleeder - Test servers for OpenSSL CVE-2014-0160, aka Heartbleed


heartbleeder [options] host[:443]


heartbleeder is a tool that tests remotely (over a network) if a system is compromised by
an insecure OpenSSL service, in accordance with CVE-2014-0160, aka Heartbleed.

More about Heartbleed Bug can be viewed at http://heartbleed.com.


Path to a newline separated file with hosts or IPs.

Address to serve HTTP dashboard from.

Check PostgreSQL TLS. This option is incompatible with -hostfile.

Seconds to wait before rechecking secure hosts.

Seconds to wait before retesting a host after an unfavorable response.

Timeout after sending heartbeat.

Number of workers to scan hosts with, only used with hostfile flag.


Multiple hosts may be monitored by setting '-hostfile' flag to a file with newline
separated addresses. A web dashboard will be available at 'http://localhost:5000' by

Postgres uses OpenSSL in a slightly different way. To test whether a Postgres server is
vulnerable, run the following (defaults to port 5432). Example:

$ heartbleeder -pg example.com.br


No guarantees are made about the accuracy of results, and you should verify them
independently by checking your OpenSSL build.

Use heartbleeder online using onworks.net services

Free Servers & Workstations

Download Windows & Linux apps

  • 1
    A Kotlin script that nukes all build
    caches from Gradle/Android projects.
    Useful when Gradle or the IDE let you
    down. The script has been tested on
    macOS, but ...
    Download deep-clean
  • 2
    Eclipse Checkstyle Plug-in
    Eclipse Checkstyle Plug-in
    The Eclipse Checkstyle plug-in
    integrates the Checkstyle Java code
    auditor into the Eclipse IDE. The
    plug-in provides real-time feedback to
    the user about viol...
    Download Eclipse Checkstyle Plug-in
  • 3
    AstrOrz Player is a free media player
    software, part based on WMP and VLC. The
    player is in a minimalist style, with
    more than ten theme colors, and can also
    Download AstrOrzPlayer
  • 4
    Kodi Movistar+ TV es un ADDON para XBMC/
    Kodi que permite disponer de un
    decodificador de los servicios IPTV de
    Movistar integrado en uno de los
    mediacenters ma...
    Download movistartv
  • 5
    Code::Blocks is a free, open-source,
    cross-platform C, C++ and Fortran IDE
    built to meet the most demanding needs
    of its users. It is designed to be very
    Download Code::Blocks
  • 6
    Amidst or Advanced Minecraft Interface
    and Data/Structure Tracking is a tool to
    display an overview of a Minecraft
    world, without actually creating it. It
    can ...
    Download Amidst
  • More »

Linux commands