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CEF4 is not working with Cloudflare

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madvet
Posts: 8
Joined: Fri Aug 19, 2022 11:48 am

CEF4 is not working with Cloudflare

Post 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
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salvadordf
Posts: 4374
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Re: CEF4 is not working with Cloudflare

Post 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
madvet
Posts: 8
Joined: Fri Aug 19, 2022 11:48 am

Re: CEF4 is not working with Cloudflare

Post 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?
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salvadordf
Posts: 4374
Joined: Thu Feb 02, 2017 12:24 pm
Location: Spain
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Re: CEF4 is not working with Cloudflare

Post 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.
madvet
Posts: 8
Joined: Fri Aug 19, 2022 11:48 am

Re: CEF4 is not working with Cloudflare

Post by madvet »

Understood, thank you
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salvadordf
Posts: 4374
Joined: Thu Feb 02, 2017 12:24 pm
Location: Spain
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Re: CEF4 is not working with Cloudflare

Post by salvadordf »

This issue in the CEF project is related to this :
https://github.com/chromiumembedded/cef/issues/3547
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