How to Enable Or Disable HTTP/3 (with QUIC)?

HTTP/3 (also known as HTTP-over-QUIC) is a new version of the HTTP protocol that is designed to improve the speed and security of the Internet. It is based on the QUIC (Quick UDP Internet Connections) protocol, which allows multiplexed connections over UDP and provides improved security, congestion control, and error handling compared to TCP.

Follow the steps below to Enable Or Disable HTTP/3 (with QUIC).

Navigate to the Network Settings of Cloudflare (Use this link to view How to Navigate).

Enable HTTP/3 (with QUIC):

Click on the switch button.

Here, you can see HTTP/3 (with QUIC) Enabled successfully.

Disable HTTP/3 (with QUIC):

Click on the switch button.

Here, you can see HTTP/3 (with QUIC) was disabled successfully.