HTTPS-Only Mode in Firefox Focus for Android

You can change your preferences to HTTPS-Only Mode in Firefox Focus for Android, version 97 and above. This security enhancing mode forces all connections to websites to use HTTPS. Most websites already support HTTPS; some support both HTTP and HTTPS. Enabling this mode provides a guarantee that all of your connections to websites are upgraded to use HTTPS and hence secure. Learn more about the benefits and how to enable HTTPS-Only Mode.

What is the difference between HTTP and HTTPS?

HTTP stands for Hypertext Transfer Protocol and is the foundational protocol for the web and encodes basic interactions between browsers and web servers. The problem with the regular HTTP protocol is that the data transferring from server to browser is not encrypted, meaning data can be viewed, stolen, or altered. HTTPS protocols fix this by using an SSL (secure sockets layer) certificate, this creates a secure encrypted connection between the server and the browser which protects sensitive information.

Enable HTTPS-Only Mode

HTTPS-Only mode is enabled by default. When you use HTTPS-Only Mode, this ensures all of your connections are encrypted and secure. So you have peace of mind that no one can snoop on the content of the pages you visit or hack into your connection to a website to steal your passwords, credit card information, or other personal information. This is especially useful when you are using a public WiFi where you can’t be sure of the integrity of your internet connection.

For example when HTTPS-Only Mode is active and a site is visited such as http://example.com, Firefox will silently upgrade to https://example.com.

Enable/Disable HTTPS-Only Mode

To enable or disable HTTPS-Only mode:

  1. Tap the menu button next to the address bar:

    MenuButtonFocus
  2. Tap Settings
  3. Go to Privacy & Security
  4. Scroll down to Security.
  5. Tap the toggle next to HTTPS-Only Mode to enable or disable.

Secure Connection Not Available

Some websites only support HTTP and the connection cannot be upgraded. If HTTPS-Only Mode is enabled and a HTTPS version of a site is not available, you will see a “Secure Site Not Available” page:

No HTTPS site

If you tap Continue to HTTP Site, you accept the risk and then will visit a HTTP version of the site. HTTPS-Only Mode will be turned off temporarily for that site.

Tap the back arrow back button if you want to avoid any unencrypted connections.

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