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Clarify behaviour of connectivity.cloudflareclient.com #16241

@jamie-sandbox

Description

@jamie-sandbox

Existing documentation URL(s)

https://developers.cloudflare.com/cloudflare-one/connections/connect-devices/warp/deployment/firewall/#connectivity-check

What changes are you suggesting?

The documentation states that connectivity.cloudflareclient.com performs a check inside the WARP tunnel, and therefore does not need to be whitelisted on the firewall.

However, we are seeing thousands of requests to connectivity.cloudflareclient.com in the logs of our corporate proxy server, implying that connections are following the system proxy settings and are not going through the WARP tunnel all of the time.

This has been observed both in full WARP and DoH-only modes.

Please can the expected behaviour be clarified? Should we add connectivity.cloudflareclient.com to our PAC file to force it to bypass the proxy server?

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