Originally Posted by
plunet
Whilst I don't have access to a Cloudflare account with this specific control on it, having spoken to someone who does, there's a dial you can twiddle from laissez-faire to suspicious to paranoid about the reputation of source IPs, and my guess is that IB as a customer of cloudflare that is using their service to defend their services from recurring DDOS attacks have got that source IP reputation dial turned to the max.
Then the question is why not for all the IB sites.
FWIW, IME it seems to be that free, open Wi-Fi networks available and used by tens of thousands — or even hundreds of thousands — tend to be way more likely to be left to be with regard to the FT-specific Cloudflare dashboard tool blocks. And this is even as these are the kind of internet networks that aren’t spared of “seedy” traffic any more than the commercial VPN nodes are.