RC4 was once widely supported by all major browsers and online services for encryption. However, in 2015, Chrome, Edge, IE 11, and Firefox dropped support for this outdated technology. But people using legacy devices still feel the need to run RC4 and hence, they have been looking for browsers that still support the encryption technology. However, if you encounter a TLS error on your Windows 11 PC, our detailed post can help you fix the issue quickly.

Is RC4 outdated?

The original RC4 (Rivest Cipher 4) encryption used an outdated security technology that became increasingly vulnerable to attacks. But, even after RC4 support was stopped, there were still many people using legacy devices like the old phones (Nokia 6210 classic), or older browsers like iCab, with RC4-based requests. Hence, despite being outdated, encryption technology still remains prominent even in the current times. Does TLS 1.2 support RC4? Yes, TLS 1.2 supports RC4, because enabling it along with TLS 1.1 on servers and in browsers can alleviate the risk of BEAST attack. But, if you fail to enable TLS 1.1 and TLS 1.2, you can configure SSL to insist on RC4 ciphers than block-based ciphers. Therefore, thanks to TLS 12. support, you can still enable the encryption in some browsers. But, if you are wondering which browsers support RC4 ciphers, here we have a list of some of the best browsers where you can enable the feature.

What are the best browsers that support RC4?

What can I use instead of RC4?

Instead of RC4, you can use Triple Data Encryption Standard (3DES) and the Advanced Encryption Standard (AES) which also provide built-in support for many RC4-based programs. Promising absolute privacy and security online, the browser offers one of the safest browsing experiences of all. Therefore, when you think of enabling the RC4 encryption in Opera, you can be assured that even with the deprecation, you can still be safe with the added browser security. From blocking advertisements, or trackers to a free built-in VPN and easy access to privacy and security controls, the browser is a safe haven for all Opera fans. Among its other major features include:

Sidebar shortcuts for social media like Twitter, Instagram, etc. Allows to save web content in Pinboards Integrated messages for social media Floating videos on top of webpages Battery saver, data syncing, and crypto wallet

The browser offers built-in security that keeps your data and browsing history protected from dangerous sites and malicious software. Moreover, Chrome’s Password Checkup feature warns you of the vulnerable passwords and reminds you to change them often to avoid a data breach. So, considering that Chrome is secure by default, you can enable RC4 on the browser without any worry. Some of its other key features are:

Site isolation, sandboxing, and predictive phishing protection Safety check for secured and private browsing Sync Chrome across devices Easy audio and video controls in tabs Separate accounts option with profiles

⇒ Get Google Chrome Apart from its Super Duper Secure Mode which is an instant hit with the users, it also boasts the control-flow Enforcement Technology (CET) and Arbitrary Code Guard (ACG). Besides, it also supports both forward and backward control-flow protection which, in combination with the other security features can prevent JIT attacks and beyond. Moreover, it also features browser sandboxing that safeguards your PC from the after-effects of browsing by blocking websites with malicious codes.  SPONSORED Here are some of its other important features:

Clear privacy options (Basic, Balanced, Strict) SmartScreen feature protects from phishing attacks Identifies and blocks known trackers Manage which extensions should be allowed Stay safe online with Password Monitor, InPrivate search, and Kids Mode

⇒ Get Microsoft Edge While it offers extensions that are useful yet fun, it also offers a smooth experience by using only as much memory as required. At the same time, it boasts a strong password management system that helps you create strong passwords for the complete protection of your accounts. Best of all, you can also use containers to stay organized and keep trackers off while you are surfing the web. Below are some of its other significant features:

Blocks third-party trackers Private browsing for smaller digital footprints Firefox Monitor to stay protected from a data breach Syncs data easily across devices Prevent email exploitation with Firefox Relay

⇒ Get Mozilla Firefox From protecting your login credentials or ensuring file-level encryption to automatically encrypting your data, Safari boasts powerful security capabilities. Talking about enabling RC4, TLS 1.1 and TLS 1.2 are automatically enabled in Safari version 7 or beyond. But, since RC4 is deprecated in iOS 10 and macOS 10.12, the services or apps that require RC4 should be upgraded to utilize secure cipher suites.  Here are some of its other major features:

Built-in antivirus with strong malware protection Stay in control of your data with app permissions Safe and secure data with FileVault 2 Intelligent Tracking Prevention to detect and block trackers iCloud Keychain securing passwords across all devices

⇒ Get Apple Safari As an alternative to symmetric encryption, you can use a public key or asymmetric algorithm, where each user of the communicating parties has pair of keys (one private and one public key).

How do I enable RC4?

Fortunately, you can still enable the RC4 encryption technology in some of the major browsers due to the TLS 1.2 protocol and the supported cipher suites. Here’s a list of the RC4 cipher suites that are supported in TLS 1.2 and TLS 1.3: If you are wondering how to check if RC4 is disabled, here’s how you can: But if you want to enable RC4 in Chrome, Opera, Edge, and Firefox, you can follow the below instructions.

1. Enable RC4 in Chrome, Edge, and Opera using Internet Options

Your Chrome, Edge, or Opera browsers are now compatible with the RC4 encryption.

2. Enable RC4 in Firefox through about:config

Now, your Firefox browser should support RC4 encryption. If you are using a legacy device and you are in utter need to enable RC4 cipher, you can try the above methods to turn on the TLS protocols that help a browser support the feature. Apart from that, it’s recommended to steer clear of the deprecated cipher suite to avoid any attacks or exploits. But if you are looking for ways to enable TLS 1.2 on all Windows editions, you can refer to our detailed guide for more information. For any other queries on TLS or SSL protocols or browsers, you can leave a message in the comments box below.

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