Open the Chrome browser and click on the three-dot icon in the top right corner.

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Click on “ Settings ” from the drop-down menu.
On the Settings page, click on the “ Advanced ” section.
Click on “ Security and Privacy ”.
Go to the “ Protocols ” section and disable the “ Use QUIC protocol ” option.
If you are using Mozilla Firefox, you can disable the QUIC ukraine mobile phone number protocol by following these steps:

Open Firefox browser and click on the three lines icon in the top right corner.
Click on “ Options ” from the drop-down menu.
Go to “ General ” and click on “ Network Settings ”.
Go to “ Connection Settings ” and disable “ Use QUIC protocol” .
After disabling the QUIC protocol, internet traffic will start to be transmitted over TCP or TLS. Therefore, be aware that your internet connection may be slower. However, in most cases, this is not a major problem and you can use your internet connection normally.

In conclusion, if you want to disable the QUIC protocol, you just need to go to the settings of the web browser you are using and disable the option “ Use QUIC protocol ” or similar. In addition to these steps, you can block the QUIC protocol on some networks by accessing the router settings or firewall settings. However, before doing this, you should make sure that the other protocols you will be using have sufficient speed and security levels.


Disabling the QUIC protocol is an effective way to solve internet connection problems in some cases. However, this protocol also has advantages in terms of speed and security. Therefore, it is important to decide when the use of the QUIC protocol should be blocked and when it should be used. It may be useful to contact technical support to determine the source of your internet connection problems and to find appropriate solutions.