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Tool and Usage

hBlock is a security tool to protect against advertisements, trackers, and malware. It does so by altering the /etc/hosts file and block bad or malicious hosts.

Why this tool?

For the privacy-aware users, tools like hBlock can be helpful to block malicious domains, malware, advertisements, and trackers. Trackers could be pixels added to websites to track which pages you visited, which might invade your privacy.

How it works

hBlock works with the /etc/hosts file of the system. Requests to bad and malicious hosts are blocked as they related entries are resolved to This effectively prevents the system from connecting to these particular hostnames.

Usage and audience

This tool is categorized as a anti-tracking tool, Linux security defense tool, and privacy tool.

hBlock is commonly used for malware protection or privacy enhancement. Target users for this tool are general public.

Tool review

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


  • + Used language is shell script
  • + The source code of this software is available

Author and Maintainers

HBlock is under development by Héctor Molinero Fernández.


Support operating systems

HBlock is known to work on Android, Linux, and Microsoft Windows.

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Project details
Latest release1.2.4 [2018-02-12]
Last updatedFeb. 15, 2018

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