How to update Firefox to Support TLS 1.1+ in RHEL/CentOS 5/6/7 ?

In this article, we will see how to update Firefox to Support TLS 1.1+ on RHEL/Centos 5/6/7.

1. Download the package.

[root@ngelinux~/] wget


2. Extract the package.

[root@ngelinux~/] tar -jxvf firefox-32.0.2.tar.bz2 -C /usr/local/


3. Move the existing binary.

[root@ngelinux~/] mv /usr/bin/firefox /tmp/


4. Make new binary link to the executable path.

# ln -s /usr/local/firefox/firefox /usr/bin/firefox


5. Run firefox now.

# /usr/bin/firefox &


6. Set security setting.
In the address bar type about:config and move past the warning.
Type security.tls in the search list and it will display security.tls.version.min and security.tls.version.max.
Change security.tls.version.max value from 1 to 3.
Change security.tls.version.min value from 0 to 1.


7. If all runs fine with new binary, remove the old binary.

# rm -f /tmp/firefox
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