The author was blocked from accessing a work website due to issues with Cloudflare’s browser integrity checks. Despite having credentials to prove his identity, an attempt to bypass the checks by disabling fingerprinting in Firefox resulted in Cloudflare blocking all access. He could still access the site on Chrome, showing the block was based on his browser configuration. This left the author unable to complete important work tasks and questioning how much control individuals really have over authentication in an increasingly centralized web ecosystem dependent on remote attestation. It highlights the need for transparency and user agency in how identity verification is implemented online.
It’s popular because many people don’t have static IP, behind a CGNAT, or simply don’t want their residential IP address exposed, so their option is either use a vps as a tunnel (cost money) or use cloudlare tunnel (free). Obviously the free one get more use.