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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