Security certificate

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A security certificate is a small data file that allows the web browser to verify that the server it is communicating with has been checked and signed by the issuer of the Security certificate on which we rely.

NetFree users need to install a Security certificate so that NetFree can filter the secure sites, see here for more details.

Without installing the Security certificate, the sites will still be filtered, but the computer will refuse to enter them because it does not trust the signature of the site that changed after filtering.

Please note that each Netfree Internet provider has its own Security certificate. If you change a provider, you will need to reinstall the Security certificate.
Here you can download a Security certificate from any provider.

Note: If you have installed the security certificate and http://netfree.link/start#/auto-check-problems Auto troubleshooter] did not find any problem, But there is still an error with the Security certificate see Possible problems with installing a certificate and their solutions.

installation:

Installing the standard certificate

Installation on different operating systems:

Installing certificate on computer manually

Installation of certificate by CMD in Windows

Installation of certificate in Ubuntu operating system

Installation of certificate in MacBook OSX operating system

Installation of certificate in Chromebook

Installation in various software:

Installation of certificate in Firefox browser

Installation of certificate in Chrome browser in Linux

Installation of certificate in Thunderbird

Installation of Certificate in NOD32 Antivirus Software

Installation of certificate in the Backup and Sync software from Google \ Drive File Stream

Installation of certificate in Waze app

Installation of certificate in filemail Software

Installation on mobile devices:

Installation of certificate in Android

Installation of certificate on a IPhone

Installation on various devices:

Installation of certificate in printers

Installation of certificate in security equipment

Advanced installation for developers:

Installation of certificate in GIT

Installation of certificate in all Node products

Installation of certificate in npm

Installation of certificate in Bower

Installation of certificate in pip

Installation of certificate in Visual Studio Code

Installation of certificate in Android Studio

Installation of certificate in IntelliJ IDEA

Installation of certificate for Java Runtime

Installation of certificate in ruby

Installation of certificate in Mix

Installation of certificate in curl

Uninstalling Security certificate:

Uninstalling security certificate in windows operating system