Version history for TLS/SSL support in web browsers across browsers

Let's take a look at the version history for TLS/SSL support in web browsers. Internet Explorer 1.0, released in 1995, didn't support SSL at all.

In fact, it wasn't until Internet Explorer 3.0, released in 1996, that SSL support was added. This was a major milestone for online security.

Mozilla Firefox 1.0, released in 2004, introduced support for TLS 1.0. This marked a significant improvement in security for Firefox users.

Google Chrome 1.0, released in 2008, also supported TLS 1.0, making it a secure choice for browsing the web.

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As you navigate the complex world of web browsers, it's essential to understand the history of TLS/SSL support in each one. Desktop IE 11, the latest version, supports TLS 1.0, 1.1, 1.2, and 1.3.

Desktop IE 11 supports TLS 1.0, 1.1, 1.2, and 1.3, making it a reliable choice for secure browsing. However, older versions of IE have varying levels of support.

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Here's a breakdown of TLS/SSL support in various versions of Internet Explorer:

Microsoft Edge, on the other hand, has a different story. The latest version supports TLS 1.0, 1.1, 1.2, and 1.3, but older versions have varying levels of support.

Here's a breakdown of TLS/SSL support in various versions of Microsoft Edge:

Mozilla Firefox also has a complex history when it comes to TLS/SSL support. The latest version, 63 or higher, supports TLS 1.0, 1.1, 1.2, and 1.3.

Here's a breakdown of TLS/SSL support in various versions of Mozilla Firefox:

Google Chrome's support for TLS/SSL is also worth noting. The latest version, 80 or higher, supports TLS 1.0, 1.1, 1.2, and 1.3.

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Here's a breakdown of TLS/SSL support in various versions of Google Chrome:

Android devices also have varying levels of TLS/SSL support. The latest version, 10.0 or higher, supports TLS 1.0, 1.1, 1.2, and 1.3.

Here's a breakdown of TLS/SSL support in various versions of Android:

Safari, both desktop and mobile, also has varying levels of TLS/SSL support. The latest version, 13 or higher, supports TLS 1.0, 1.1, 1.2, and 1.3.

Here's a breakdown of TLS/SSL support in various versions of Safari:

Opera, version 67 and higher, also supports TLS 1.0, 1.1, 1.2, and 1.3.

This summary should give you a good idea of the history of TLS/SSL support in various web browsers.

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Lit-Node uses OpenSSL to implement TLS, and it's configured through the `tls` section in the `config.json` file. This file is located in the Lit-Node root directory.

The `tls` section requires a `cert` and a `key` file, which are generated during the initial setup process. These files are used to establish a secure connection between the client and the server.

The `cert` file is a public key used to authenticate the server, while the `key` file is a private key used to decrypt data sent to the server.

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Lit-Node 1TLS 1.3 is a major revision to TLS that includes numerous changes to improve security and performance. TLS 1.3 is designed to remove unused and unsafe features of TLS 1.2, include strong security analysis in the design, improve privacy by encrypting more of the protocol, and reduce the time needed to complete a handshake.

The TLS 1.3 handshake completes in one round trip in most cases, reducing handshake latency. This is achieved through a new set of cipher suites that are exclusive to TLS 1.3, using modern Authenticated Encryption with Associated Data (AEAD) algorithms.

TLS 1.3 also supports forward-secure modes only, unless the connection is resumed or it uses a pre-shared key. This is a significant change from previous versions of TLS, where forward-secure modes were not the default.

The TLS 1.3 handshake is encrypted, except for the messages that are necessary to establish a shared secret. This means that server and client certificates are encrypted, but the server identity that a client sends to the server is not encrypted.

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Implementations of draft versions of TLS 1.3 are available, and some browsers have already enabled TLS 1.3, including the 0-RTT mode. However, enabling 0-RTT requires additional steps to ensure successful deployment and manage the risks of replay attacks.

Here are some key features of TLS 1.3:

Firefox implements a TLS handshake timeout with a default value of 30 seconds since version 58. This timeout value can be varied by editing the network.http.tls-handshake-timeout pref in about:config.

Modern browsers have implemented handshake timeouts to mitigate slow or unresponsive TLS handshakes. This is a significant improvement for the user experience.

You can use the Mozilla SSL Configuration Generator to generate configuration files for your server to secure your site. This tool can help you create a secure configuration.

The Mozilla Operations Security (OpSec) team maintains a wiki page with reference TLS configurations. This resource can be helpful if you're looking for guidance on secure TLS configurations.

To test how secure a site's HTTP/TLS configuration is, use HTTP Observatory and SSL Labs. These tools can provide detailed information on the site's security configuration.

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SSL Configuration Test is a crucial step in ensuring the security of your Lit-Node setup. It checks your certificate installation for SSL issues and vulnerabilities.

This test helps identify potential problems that could compromise the integrity of your TLS configuration. By running this test, you can catch and fix issues before they become major security concerns.

Regularly running an SSL Configuration Test can save you from potential headaches down the line. It's a proactive measure that pays off in the long run.

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Desktop Internet Explorer 11 supports TLS 1.2 and 1.3, but only the latest version does.

Desktop Internet Explorer versions 8, 9, and 10 support TLS 1.0, but only partially support TLS 1.1 and 1.2.

Desktop Internet Explorer versions 7 and below support TLS 1.0, but not TLS 1.1, 1.2, or 1.3.

Here's a breakdown of TLS/SSL support in popular browsers:

Major browsers have been removing support for TLS 1.0 and 1.1 since early 2020, with Firefox returning a Secure Connection Failed error from version 74 onwards.

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However, despite the deprecation of TLS 1.0 and 1.1, over 50% of web servers on the internet still support these older versions, with TLS 1.0 at 50.15% and TLS 1.1 at 50.08%.

This is hardly a surprise, given that Shodan reported these percentages to be almost the same six months ago.

A significant decrease in support for TLS 1.0 and 1.1 was seen between October 2020 and January 2021, but this was followed by a sharp increase, after which the percentages plateaued.

Most browsers won't use TLS 1.0 and 1.1 unless specifically configured to do so, but it's still worth noting that these protocols can't be called "secure" by today's standards.

On a more positive note, TLS 1.3 is now supported by over 25% of web servers, a slow but steady increase.