Cloudflare's Update Cripples Iranian VPNs

[Kiya6955]

Recently, for about two weeks, Cloudflare has been blocking domains that use CDN traffic to tunnel VPN traffic, such as v2ray. After contacting Cloudflare, their support team confirmed that the issue stems from their newly updated firewall. This change has already caused widespread issues for Iranian users, as many VPNs relied on Cloudflare to bypass censorship. With IRGFW (Iranian Great Firewall) heavily blocking and detecting IPs, Cloudflare was one of the few viable options for secure access.

IRGFW couldn't block Cloudflare’s IPs outright due to potential collateral impact, but other CDNs like Fastly are easily blocked. Moreover, alternatives to Cloudflare are neither as accessible nor as affordable. Now, Iranians are on the brink of a digital crisis, as Cloudflare’s systems increasingly flag v2ray traffic as HTTP DDoS attacks, leading to more frequent disruptions.

Iranians are effectively trapped between two firewalls: the IRGFW and restrictions from international datacenters that don’t service Iranians, compounded by a lack of payment options for most platforms. With these barriers in place, accessing free internet and media is becoming nearly impossible.

[wkrp]

You say the Cloudflare system is detecting V2Ray traffic as DDoS. Does it happen only when one V2Ray server is accessed by many clients? Is it something about the protocol that is being detected, or is it the large number of clients?

Is the Cloudflare system that is wrongly detecting DDoS configurable by the owner of the Cloudflare account? Or is it "global" and not configurable?