Enable TLS 1.3 on Firefox and Chrome

Below we will see how to enable TLS 1.3 (Security Layer Security) support in Firefox and Google Chrome.

Transport Layer Security, or TLS for short, is a protocol ς που χρησιμοποιείτε για ασφαλή επικοινωνία μεταξύ . The current version of TLS is 1,2 while TLS 1,3 is currently available as a draft.

TLS 1.3 is based on TLS 1.2 but offers significant security and privacy with TLS 1.2 that support web browsers by default.TLS 1.3

Let's see how we can enable TLS 1.3 support in Firefox and Chrome

Both Firefox and Chrome support TLS 1.3, but the new Transport Layer Security version is not enabled by default. The main reason for this, most likely, is that it is still available only as a draft (or imagine something like a beta)

One of the first things to do is look at which TLS and SSL protocols support our browser.

This can be done easily with a visit to SSL Labs and from there to My Client page which controls the features of your browser.

The page will show you all the protocols supported by your browser, check if it is vulnerable to some known attacks, lists the supported encryption suites, protocol details, and how the mixed content manages the browser.

If you open the page with Chrome or Firefox you will see a "no" next to TLS 1.3


Enable TLS 1.3 in Firefox

Firefox users can enable TLS 1.3 support in Firefox by following the instructions: (note that Nightly already supports TLS 1.3 while Firefox Stable should be configured to support it).

Open the: about:config page at Firefox addresses.

Confirm that you are careful on the warning screen (why will you lose the warranty).

The Firefox Configuration Editor will open.
Look for security.tls.version.max
Change the value to 4 by double-clicking on it.

Enable TLS 1.3 in Chrome

Its users μπορούν επίσης να ενεργοποιήσουν το ΤLS 1.3 στο πρόγραμμα περιήγησης τους. Για ορισμένα προγράμματα περιήγησης με που έχουν σαν βάση το Chromium, όπως το , you can follow the same instructions.

Open the chrome: // flags / # ssl-version-max page in your browser's address bar.
Click the menu and set the value to TLS 1.3.
Restart the browser.

That's it…

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Written by giorgos

George still wonders what he's doing here ...

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