TECHNIQUES

port-blocking   Port-based blocking

3 PAPERS ON FILE

• 2025-gfw-port443-rst Analysis of the GFW's Unconditional Port 443 Block on August 20, 2025 gfw.report · 2025
• 2025-iran-shutdown-measurement Measuring the June 2025 Iran nationwide internet shutdown preprint · 2025
• 2025-tai-irblock IRBlock: A Large-Scale Measurement Study of the Great Firewall of Iran USENIX Security Symposium · 2025