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CEF4 is not working with Cloudflare

Posted: Wed Jul 26, 2023 7:37 pm
by madvet
Your browser is not working with Cloudflare.
It is impossible to pass Cloudflare turnstile.
You can try any site, for example try to open this link: https://proxyaz.com/user
BriskBard also is not working

Re: CEF4 is not working with Cloudflare

Posted: Thu Jul 27, 2023 11:20 am
by salvadordf
Hi,

I just tested the TinyBrowser2 demo which uses the "Chrome runtime" mode on those sites and it works correctly.
This means that this issue is caused by a missing or unsupported feature of "alloy" CEF browsers.

This also affects other CEF wrappers :
https://github.com/cefsharp/CefSharp/discussions/4556

Re: CEF4 is not working with Cloudflare

Posted: Thu Jul 27, 2023 1:41 pm
by madvet
salvadordf wrote: Thu Jul 27, 2023 11:20 am Hi,

I just tested the TinyBrowser2 demo which uses the "Chrome runtime" mode on those sites and it works correctly.
This means that this issue is caused by a missing or unsupported feature of "alloy" CEF browsers.

This also affects other CEF wrappers :
https://github.com/cefsharp/CefSharp/discussions/4556
"alloy" - is this feature available only in "Chrome runtime" mode?

Re: CEF4 is not working with Cloudflare

Posted: Thu Jul 27, 2023 6:19 pm
by salvadordf
I meant that browser in normal mode has this issue.
Browsers in "Chrome runtime" mode are not affected because that mode has many more browser features but it's in experimental state.

Re: CEF4 is not working with Cloudflare

Posted: Fri Jul 28, 2023 6:51 am
by madvet
Understood, thank you

Re: CEF4 is not working with Cloudflare

Posted: Fri Jul 28, 2023 3:31 pm
by salvadordf
This issue in the CEF project is related to this :
https://github.com/chromiumembedded/cef/issues/3547