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Disable the HTTP/3 (QUIC) Protocol


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Hi everyone,

Currently, many customers complained about the Web control was not work on browsers , which (QUIC) Protocol is ENABLEd status. After DISABLED, it worked.

So the customers had to face about this feature will not working if user change QUIC protocol and they can not control that issue. How to resolve this issue ? 

image.thumb.png.682c733825cb4d2807b3b4c1b27ab516.png

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I've heard that you can disable outbound UDP 443 on their firewall of preference, either directly on their desktop OS's via GPO or on their perimeter firewall that this will effectively disable QUIC regardless of the browser settings.

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10 minutes ago, jdeane said:

I've heard that you can disable outbound UDP 443 on their firewall of preference, either directly on their desktop OS's via GPO or on their perimeter firewall that this will effectively disable QUIC regardless of the browser settings.

Yes, this is a preferred way to disable QUIC which also prevents users from re-enabling it in their browser.

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