Timeouts loading web pages

TLS 1.3 Hybridized Kyber Support became default in Chromium Based Browsers Version 124 and later can cause connection timeouts with EFS Control, Flow Control, AirFlow, and Flow Automation, particularly over VPN's. Recent versions of Firefox have also introduced this browser setting as a default.

In the various browsers this may be known as:
TLS 1.3 Hybridized Kyber Support
TLS 1.3 post-quantum key agreement

or variants there in 

• In Google Chrome enter the following in the address bar

chrome://flags/#enable-tls13-kyber

and switch from Default to disabled. Relaunch Google Chrome

• In Microsoft Edge enter the following in the address bar

edge://flags/#enable-tls13-kyber

Switch from Default to disabled. Relaunch Microsoft Edge

• In Opera enter the following in the address bar 

opera://flags/#enable-tls13-kyber

Switch from Default to disabled. Relaunch Opera

In Mozilla Firefox enter the following in the address bar:

about:config

Click Accept the Risk and Continue (if prompted)
Search for "security.tls.enable_kyber"

Switch from true to false. Relaunch Mozilla Firefox