Privacy Pass: upgrading to the latest protocol version
Jan 4, 2024Thibault Meunier, Cefan Daniel Rubin, Armando Faz-Hernández

Summary
This post details the upgrade of the Privacy Pass protocol to its latest IETF draft version. It introduces new open-source templates for Privacy Pass Origins, Issuers, and Attesters based on Cloudflare Workers, and releases updated browser extensions named 'Silk - Privacy Pass Client'. The post also discusses the deprecation of the Privacy Pass API for configuration and highlights the integration of Privacy Pass as a signal in Cloudflare's Web Application Firewall and Bot Management products, as well as Apple's Private Access Tokens system.
More from the Website Security & Threat Management trail
- We tested our own WAF with frontier AI models. Here’s what we found
- When scanners miss the attack: how Cloudflare Client-Side Security protects storefronts
- Introducing automatic remediation policies with Cloudflare CASB
- Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak Models
- Introducing Adaptive Intelligence: undermining the economics of every bot attack